Q. Differences between an Acid and a Base Top Answer Solution:Differences between an Acid and a Base Acid Base 1. Acid when dissolved in water gives Hydrogen ions (H+) Ions. 1. Base when dissolved in water gives hydroxide ions( OH–)…
Q. Suggest three ways to conserve water. Top Answer Solution:a. Turn off taps – Always close taps after using them.b. Save rainwater – These are used for gardening, washing, and cleaning. c. Fix leaks – Repair taps or pipes when the water leaks to…
Q. Write any two reasons for land degradation today. Top Answer Solution:Two reasons for land degradation are climate and cutting down trees. a. Climate – Weather change is a big reason for land degradation. Rainfall and floods cause spread and…
Q. What is resource conservation? Top Answer Solution:Resource conservation is the protection and careful management of natural resources to prevent waste and ensure they are available for future generations. Related Links
Q. Define sustainable development. Top Answer Solution:Sustainable development is using resources in a way that supports current needs while preserving them for future generations. Related Links
Q. How many parts of natural resources? Explain them. Top Answer Solution:There are two types of natural resources(a) Renewable resource(b) Non-renewable resource (a) Renewable Resource: Renewable resources are those that get renewed or replenished quickly, these are unlimited and are…
Q. Describe the human resource. Top Answer Solution:Human Resources refers to the people who make up an organisation or society’s workforce. It includes all individuals who contribute their skills, knowledge, and abilities to perform tasks and achieve goals. Human skills…
Q. Coal and petroleum are examples of _____ resources. Top Answer Solution:Coal and petroleum are examples of non-renewal resources. Non-renewal -Coal, Petroleum, Natural Gas, and Uranium. Renewal – Solar Energy, Wind Energy, Freshwater, Forest and Hydropower. Related Links
Q. What are the differences between natural and human-made resources? Top Answer Solution: Natural Resource Human made Resource 1. Resources that are drawn from nature and used without much modification are called natural resources. 1. Human-made resources are things that are created…
Q. What are the properties of acids? Top Answer Solution:1. Proton Donors: Acids are special substances that like to “give away” tiny particles called protons (H⁺ ions). When an acid mixes with water, it lets go of these protons, which can…
Q. While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid? Top Answer Solution:When an acid is mixed with water, there is an evolution of a large amount…
Q. Why does dry HCl gas not change the colour of the dry litmus paper? Top Answer Solution:Dry HCl gas does not generate H+ ions and hence does not change the colour of dry litmus paper. Related Links
Q. Why should curd and sour substances not be kept in brass and copper vessels? Top Answer Solution:Curd and sour substances not be kept in brass and copper vessels because curd and sour substances contain acids that react with brass…
Q. What are the several types of physical changes? Melting, Freezing, Evaporation, Condensation, Sublimation, Deposition. Top Answer Solution:Change in State (Phase Change) Related Links
Q. What is the Big Bang Theory? Top Answer Solution:The Big Bang Theory explains how the universe began. The Big Bang Theory says the universe started about 13.8 billion years ago from a very small, hot, and dense point. Then it…
Q. What is an ecosystem? Top Answer Solution:An ecosystem is a community of living things (like plants, animals, and microorganisms) and non-living things (like water, air, and soil) that interact with each other in a specific area. It’s like nature’s…
Q. What are the differences between an atom and a molecule? Top Answer Atom Molecule An atom is the smallest unit of an element. It cannot be broken down further while keeping its chemical properties. A molecule is formed when…
Q. What is cloning? Top Answer Solution:Cloning is the process of creating an exact copy of a living thing. The copy, called a clone, has the same genetic material (DNA) as the original. Cloning can happen naturally or be done…
Q. What is a magnet? Top Answer Solution:A magnet is an object that can attract certain materials, like iron, nickel, and cobalt. It produces a magnetic field, which is an invisible force that pulls objects toward it. Magnets are used…
Q. What is the greenhouse effect? Top Answer Solution:The greenhouse effect is a natural process that keeps the Earth warm enough for us to live. It happens when certain gases in the atmosphere, called greenhouse gases, trap heat from the…
Q. What is refraction? Top Answer Solution:Refraction is the bending of light when it moves from one material to another. This happens because light changes its speed as it passes through different materials. Each material, like air, water, or glass,…
Q. What are acids and bases? Top Answer Solution:An acid is a substance that tastes sour (like lemon juice), can turn blue litmus paper red, and reacts with some metals to produce bubbles (hydrogen gas). Acids release hydrogen ions (H⁺)…
Q. What is the periodic table? Top Answer Solution:The periodic table is a chart that shows all the chemical elements in an organized way. It is arranged based on atomic number, which tells how many protons an atom has. For example,…
Q. What is a chemical reaction? Top Answer Solution:A chemical reaction happens when two or more substances combine and change into something new. For example, when vinegar and baking soda are mixed, they react to form carbon dioxide bubbles. Another example…
Q. What is the difference between renewable and non-renewable energy? Top Answer Solution:Renewable energy: It comes from natural sources like the sun, wind, and water, which never run out. For example, solar panels use sunlight to produce electricity. Non-renewable energy:…
Q. What is an electric current? Top Answer Solution:Electric current is the flow of tiny particles called electrons through a conductor like a wire. It is similar to water flowing in a pipe. Just as water moves to carry energy,…
Q. What is Ohm’s Law? Top Answer Solution:Ohm’s Law explains the relationship between voltage, current, and resistance in an electric circuit. If you increase the voltage in a circuit, the current will increase too, but if resistance is high, the current…
Q. Why is the sky blue? Top Answer Solution:The sky appears blue because sunlight has many colors, and blue light has the shortest wavelength. When sunlight hits the atmosphere, blue light scatters in all directions by air molecules. That is…
Q. What is the difference between mitosis and meiosis? Top Answer Mitosis Meiosis A type of cell division where one cell splits into two identical cells. It happens in body cells for growth or to heal wounds. For example, your…
Q. What is the human digestive system? Top Answer Solution:The digestive system is a group of organs that break down food into smaller parts so the body can use it for energy and growth. How the digestive system works?1. Mouth:…
Q. What are Newton’s three laws of motion? Top Answer Solution:First Law: A thing at rest stays at rest, and a thing in motion stays in motion unless an external force acts on it. For example, a ball on the ground…
Q. What is photosynthesis? Top Answer Solution:Photosynthesis is the process by which green plants make their own food. They use sunlight, carbon dioxide (CO₂) from the air, and water (H₂O) from the soil to produce glucose (a type of sugar)…
Q. What is the role of infrastructure in development? Top Answer Solution:Infrastructure includes things like roads, bridges, railways, electricity, water supply, telecommunications, and hospitals. These services are essential for people to live comfortably and businesses to operate efficiently. Infrastructure plays…
Q. What is a Self-Help Group (SHG)? Top Answer Solution:A Self-Help Group (SHG) is a small group of people, usually women, who come together to help each other. The members of the group save a small amount of money regularly,…
Q. What is credit? Top Answer Solution:Credit is the ability to borrow money or access goods and services with the promise to pay later. It allows people to buy things they may not have enough money for at the moment…
Q. What is an MNC (Multinational Corporation)? Top Answer Solution:A Multinational Corporation (MNC) is a company that operates in more than one country. These companies usually have their main offices in one country, called the home country, but they set…
Q. What is the role of technology in development? Top Answer Solution:Technology plays a key role in development by improving efficiency, creating new opportunities, and solving problems. It helps in various areas like agriculture, education, health, and industry. In agriculture,…
Q. What is the difference between formal and informal sectors? Top Answer Solution:The formal sector and informal sector are two parts of the economy, and they differ in several ways: Formal Sector: This includes businesses and jobs that are legally…
Q. What is the importance of industries in economic growth? Top Answer Solution:Industries are very important for economic growth because they help a country produce goods and services that people need and want. When industries grow, they create jobs for…
Q. What are the primary, secondary, and tertiary sectors? Top Answer Solution:The economy is divided into three sectors: primary, secondary, and tertiary.in the market, changes in the economy, or people not having the right skills for available jobs. Primary Sector:…
Q. What is unemployment? Top Answer Solution:Unemployment is when people who are able and willing to work cannot find a job. This can happen for many reasons, such as a lack of jobs in the market, changes in the economy,…
Q. What is poverty alleviation? Top Answer Solution:Poverty alleviation means efforts and actions taken to reduce or eliminate poverty. The goal is to help people who are poor by improving their living conditions and providing opportunities for a better life.…
Q. What is globalization? Top Answer Solution:Globalization is the process of countries and people becoming connected through trade, technology, and communication. It allows businesses to sell products in other countries and people to share ideas and information worldwide. It involves…
Q. What is the role of government in development? Top Answer Solution:The government plays a crucial role in the development of a country by planning and implementing policies that improve the lives of people and the overall economy. It provides…
Q. What is the difference between income and wealth? Top Answer Solution:Income refers to the money a person or household earns over a period of time, such as monthly or yearly. It includes wages from jobs, profits from businesses, rent…
Q. What is the importance of education in development? Top Answer Solution:Education is very important for development because it helps people gain skills, find good jobs, and improve their quality of life. It also helps build a better future for…
Q. What is poverty? Top Answer Solution:Poverty is when people don’t have enough money to meet their basic needs like food, clothing, and shelter. It affects a person’s ability to live a healthy and happy life.Poverty can happen because of…
Q. What are public facilities? Top Answer Solution:Public facilities are basic services provided by the government to help people live better lives such as schools, hospitals, and clean water. These facilities are for everyone to use, no matter how rich…
Q. What is sustainable development? Top Answer Solution:Sustainable development is using resources in a way that doesn’t harm the environment and ensures future generations can use them too.It focuses on balancing economic growth, protecting the environment, and ensuring social fairness.…
Q. What is the difference between developed and developing countries? Top Answer Solution:Developed countries have high incomes, good education, and healthcare (like the USA and Japan). Developing countries have lower incomes and less access to good education and healthcare (like…
Q. What is the Human Development Index (HDI)? Top Answer Solution:The Human Development Index (HDI) is a way to measure how developed a country is. It looks at three things:* Life expectancy (how long people live)* Education (how many people…
Q. What is development? Top Answer Solution:Development refers to the process of improving the economic, social, and environmental well-being of people in a country or region. It involves making progress in areas like education, health, living standards, and the economy…
Q. What is industrialization? Top Answer Solution:Industrialization means building factories and starting industries to make things in large amounts. This creates more jobs, helps cities grow, and improves the economy. This process brings many changes to society. It creates more…
Q. What was the aim of the Non-Cooperation Movement? Top Answer Solution:The Non-Cooperation Movement was started by Mahatma Gandhi in 1920 to fight against British rule in India in a peaceful way. The Non-Cooperation Movement had three main goals:** Swaraj…
Q. What is imperialism? Top Answer Solution:Imperialism is when a country takes control of another country or region, usually by force in order to expand its power and influence. This can happen through wars, politics, or control over trade and…
Q. Why was the printing press important? Top Answer Solution:The printing press was important because it changed how information was shared. Before it was invented, books and writings had to be copied by hand, which took a lot of time…
Q. What caused the French Revolution? Top Answer Solution:The French Revolution was caused by several problems: Social inequality: French society was divided into three estates. The common people were heavily taxed, while the clergy and nobility had privileges and paid…
Q. What was the Salt March? Top Answer Solution:The Salt March was a protest against the salt tax imposed by the British in India. The British made salt expensive by placing a heavy tax on it, which made it difficult…
Q. What was the Rowlatt Act? Top Answer Solution:The Rowlatt Act was a law passed by the British government in 1919 in India. It allowed the British to arrest and jail anyone without a trial if they were suspected of…
Q. What is the Civil Rights Movement? Top Answer Solution:The Civil Rights Movement in India was a fight to ensure equality and justice for all citizens, especially for marginalised groups like Dalits, tribal communities, and women. It focused on ending…
Q. What is nationalism? Top Answer Solution:Nationalism means a strong feeling of love, pride, and loyalty for your country. It makes people feel they belong to their country and work for its freedom or unity. Example to Understand:If people in…
Q. What was the Treaty of Versailles? Top Answer Solution:The Treaty of Versailles was an important agreement signed on June 28, 1919, to officially end World War I.It was created by the Allied Powers (Britain, France, the United States, and…
Q. What are the National Symbols of India? Top Answer Solution: 1 National vegetable Pumpkin 2 National reptile King Cobra 3 National fruit Mango 4 National river Ganga 5 National bird Indian Peacock 6 National tree Indian Banyan 7 National…
Q. What are the 16 Mahajanapadas of ancient India? Top Answer Solution:The 16 Mahajanapadas were ancient Indian kingdoms existed around the 6th to 4th centuries BCE during the time of the Buddha. These kingdoms were powerful regions, each with its…
Q. The utensils used for frying cheenavala are called a) Cheenachatti b) Frypan c) Both a and b d) None of these Top Answer Related Links
Q. What is Rabi Crop? Top Answer Solution:Rabi crops are a types of agriculture crop, rabi crops primarily thrive in cool and dry climates, making the winter months ideal for their growth, Wheat, Barley, Mustard, Peas Lentils are the examples…
Q. What is the full form of S.H.O? Top Answer Solution:The full form of SHO is Station House Officer. S.H.O is the officer in charge of a police station. Main role of S.H.O is to maintain the peace and order…
Q. In which Indian state Onam festival is celebrated? a) Ladakh b) Kerala c) Meerut d) Bihar Top Answer Related Links
Q. Who composed the National Anthem? a) Rabindranath Tagore b) Gandhi Ji c) Subhash Chandra Bose d) Chhatrapati Shivaji Maharaj Top Answer Related Links
Q. What is the work of Tehsildar? Top Answer Solution:Tehsildar is a revenue officer in charge of a Tehsil, his work is to supervise the work of Patwaris and settle the dispute regarding land and to collect revenue. His main…
Q. What is Kharif Crop? Top Answer Solution:Kharif crops are a type of agriculture crop that mainly relay on the monsoon rains and are typically planted as soon as the rainy season begins. Rice, maize, Cotton, Jowar, Bajra, Millets Soyabean…
Q. Who was the first President of the United States? Top Answer Solution:George Washington was the first president of the United States.He is also referred to as the ‘Father of the United States.’ He played an important role in drafting…
Q. What is the largest planet in our solar system? Top Answer Solution:Jupiter is the largest planet in our solar system. It is the 5th planet from the Sun.Jupiter is primarily composed of hydrogen and helium. It is famous for…
Q. How many continents are there in the world? Top Answer Solution:There are seven continents on the earth. Asia is the largest and most populous continent. It is home to about 60% of the total population. The most populous countries…
Q. Who wrote Romeo and Juliet? Top Answer Solution:William Shakespeare William Shakespeare, an English playwright and poet, wrote “Romeo and Juliet” in the 1590s. The play is a tragic romance between two young lovers, Romeo Montague and Juliet Capulet. Romeo…
Q. What is the capital of France? Top Answer Solution:Paris is the capital of France. It is often referred to as “the city of light.” France is located on the bank of the River Seine.The famous landmark Eiffel Tower is…
Q. Why did Lencho write a letter to God? Top Answer Solution:Lencho was a hardworking, humble farmer. He had sown a field of corn and was waiting for rain. He was so happy when the rain started. He was expecting…
Q. What is the squirrel’s opinion about itself? Top Answer Solution:The squirrel has a positive and self-assured opinion about itself. It is very confident in its own skill, such as cracking nuts, and understands that it has a valuable role…
Q. What was the only hope of Lencho? Top Answer Solution:Lencho’s only hope was to get help from God. Related Links
Q. Where was Lencho’s house located? Top Answer Solution:Lencho’s house was located at the crest of a low hill. Related Links
Q. Why did Lencho say the raindrops were like “new coins’? Top Answer Solution:The crops of Lencho’s field were ready to be harvested. And raindrops will help him to get a good return. So when it rained, he saw it…
Q. What made Lencho angry? Top Answer Solution:While counting money, he found only seventy pesos. But he demanded a hundred pesos. He was sure of his belief in God that he could neither make a mistake nor deny him what…
Q. Name the metal which does not react with oxygen even at high temperature. Top Answer Solution:Silver, Platinum and gold do not react with oxygen even at high temperature. Related Links
Q. What is the theme of story A Letter to God? Top Answer Solution:This story signifies three points. Firstly, it shows the strong confidence and believe of Lencho in god.Secondly, we can understand the innocence level of the Farmer Lencho.Thirdly,…
Q. Who is the Poet of A letter to god Top Answer Solution:Gregorio Lopez Fuentes ( G.L Fuentes) is the writter of A letter to god. 1. G.L. Fuentes) was a Mexican writer.2. He was born on 17th November 1897.…
Q. Which metal has a very low melting point? Top Answer Solution:Gallium has a very low melting point. 1. Gallium is a chemical element with symbol ‘Ga’ and its atomic number is 31. 2. Gallium is a soft metal that…
Q. Which metal is most ductile? Top Answer Solution:Gold is the most ductile metal. Ductility is the ability of a material to be stretched into a wire without breaking, and gold can be drawn into extremely thin wires. In fact,…
Q. What is the theme of the poem ‘Fable’? Top Answer Solution:The poems centre on the value of diversity and the unique contribution of every individual, regardless of size or apparent importance. Complete Notes Link Related Links
Q. Which adjective is used by the poet to describe a squirrel track? Top Answer Solution:The adjective used to describe a squirrel track is “Light”. Here, light conveys that the track made by the mountain is guiding or illuminating the…
Q. How does the mountain make fun of the squirrel? Top Answer Solution:The mountain makes fun of the squirrel by commenting on its size and importance. The mountain contrasts its own greatness and strength with the squirrel’s smallness, suggesting that…
Q. What is the name of the squirrel in the poem Fable? Top Answer Solution:The name of the squirrel in the poem is Bun. The poem Fable is written by Ralph Waldo Emerson. Complete Notes Link Related Links
Q. The nut cannot be cracked by a) the forests b) the track c) squirrel d) mountain Top Answer Complete Notes Link Related Links
Q. The word ‘spry’ suggests that the squirrel is a) lively b) small c) large d) intelligent Top Answer Complete Notes Link Related Links
Q. Which metal is the best conductor of heat? Top Answer Solution:Silver is the best conductor of heat. 1. Silver is a chemical element with symbol ‘Ag’ and its atomic number is 47.2. Silver is a precious metal that is…
Q. Who is known as the father of scientific management? Top Answer Solution:F.W. Taylor is known as the father of Scientific management. Frederick Winslow Taylor published his book ‘The Principle of Scientific Management’ in 1911 in which received wide public…
Q. What are the principles of Management? Top Answer Solution:Henry Fayol is popularly known as the father of modern management. Henry Fayol propounded the 14 principles of management. Related Links
Q. Give two objectives of management. Top Answer Solution:1) Management aims to secure maximum results through the optimum use of men, materials, machines, and money.2) Management provides a dynamic force in helping any enterprise to achieve its objectives. Related Links
Q. Why did the mountain call the squirrel ‘little prig’? Top Answer Solution:The mountain called the squirrel a “Little Prig” because the squirrel argues that, while the mountain is big and strong, it cannot do all the things that the…
Q. What does the squirrel think about the size of the mountain? Top Answer Solution:The squirrel recognizes that the mountain is indeed very large, but it argues that the size alone doesn’t make the mountain superior. Instead, the squirrel believes…
Q. What are the 14 principles of management? Top Answer Solution:Henri Fayol developed the 14 principles of management. He was a French mining engineer and management theorist. 1. Division of work: This principle means that work should be divided among…
Q. What are the properties of subatomic particles of atom? Top Answer Solution:The properties of subatomic particles of atom. Particle Symbol Location Charge Mass (kg) Discover Proton p+ Inside the nucleus +1 9.1 x 10-31 J.J. Thomson Electron e– Outside…
Q. How does the mountain make fun of the squirrel? Top Answer Solution:The mountain makes fun of the squirrel by commenting on its size and importance. The mountain contrasts its own greatness and strength with the squirrel’s smallness, suggesting that…
Q. Summary of poem Fable Top Answer Solution:Summary of poem Fable. Related Links
Q. What do you learn from the poem Fable? Top Answer Solution:The poem teaches us that we should not be arrogant. We should respect the talents of others, no matter how different they may be from our own. It also…
Q. What are the levels of Management? Top Answer Solution:There are three levels of management based on authority and responsibility. 1. Top management* Board of Directors* Managing Director* Chief Executive * General Manager 2. Middle management* Production Manager* Purchase Manager*…
Q. Who is known as the father of modern Management? Top Answer Solution:Henry Fayol is popularly known as the father of modern management. Henry Fayol propounded the 14 principles of management. Related Links
Q. What is the full form of DNA and RNA? Top Answer Solution:DNA – Deoxyribonucleic AcidRNA – Ribonucleic Acid Related Links
Q. What is adolescence? Top Answer Solution:Adolescence is the developmental stage that marks 11 years to 18 years old. This stage is characterized by significant physical, psychological, emotional, and social changes as individuals. It is the stage in which individuals…
Q. What are the functions of growth hormones? Top Answer Solution:Growth hormones (GH), also known as somatotropin.Functions of growth hormone (GH). Related Links
Q. What is the full form of MRP? a) Minimum retail price b) Minimum rebate price c) Maximum rebate price d) Maximum retail price Top Answer Related Links
Q. Which logo is used for the standardization of agricultural products? a) Agmark b) Hallmark c) Amark d) None of these Top Answer Related Links
Q. Swami had a a) Fever b) Headache c) Cold d) Sunstroke Top Answer Related Links
Q. Swami hoped that he did not have to go to a) Hospital b) College c) Church d) School Top Answer Related Links
Q. What is floating? Top Answer Solution:Floating – An object will float on a liquid if its density is less than the density of the liquid. When an object is placed over a liquid whose density is more than the…
Q. What is sinking? Top Answer Solution:Sinking – An object will sink in a liquid, if its density is more than the density of the liquid. When an object is placed over a liquid whose density is less than the…
Q. Differences between real image and virtual image. Top Answer Solution:Differences between real image and virtual image. Real image Virtual image 1. Real image is formed when light rays from an object, after reflection, actually meet (intersect) at one point.…
Q. What is Sublimation? Top Answer Solution:The process by which a solid directly changes into a gas on heating is called sublimation. Again, vapours of these substances on cooling, directly solidify, Camphor, naphthalene, iodine and ammonium chloride are examples of…
Q. What is Evaporation? Top Answer Solution:The process of conversion of a liquid into vapour at the temperature below its boiling point is called evaporation. Evaporation is a slow process and takes place only at the free surface of a…
Q. What is Freezing or Solidification? Top Answer Solution:The process in which a substance in liquid state changes into solid state at a fixed temperature is called freezing or solidification. The fixed temperature at which freezing of a liquid takes…
Q. What is Condensation or Liquefaction? Top Answer Solution:The process in which a substance in the vapour (gaseous) state changes into liquid state at a fixed temperature is called condensation or liquefaction. The fixed temperature at which condensation takes place…
Q. What is Vaporization or Boiling Top Answer Solution:The process in which a substance in the liquid state changes to a vapour (gaseous) state at a fixed temperature is called vaporisation or boiling. The fixed temperature at which a liquid…
Q. What is Melting or Fusion? Top Answer Solution:The process in which a substance in solid state changes into liquid state at afixed temperature is called melting or fusion. The fixed temperature at which asolid melts into a liquid are…
Q. Reasons for using mercury in thermometers. Top Answer Solution:Reasons for using mercury in thermometers. Related Links
Q. Differences between conduction, convection and radiation. Top Answer Solution:Differences between conduction, convection and radiation. Conduction of heat Convection of heat Thermal radiation 1. Convection requires a medium for heat transfer but there is no actual motion of medium particles…
Q. The loudness level of some characteristic sounds. Top Answer Solution:The loudness level of some characteristic sounds. Source of sound Loudness level in decibels Sensation of sound 1. Rustling of tree leaves 10 Very very faint sound 2. Whisper 20…
Q. Differences between musical sound and noise. Top Answer Solution:Differences between musical sound and noise. Musical sound Noise 1. Musical sound produces a pleasant effect in our ears. 1. Noise produces a jarring effect in our ears. 2. It is…
Q. Difference between Speed and Velocity. Top Answer Solution:Difference between Speed and Velocity. Speed Velocity 1. The rate at which an object covers distance. 1. The rate at which an object changes its position in a specific direction. 2. Speed…
Q. Differences between distance covered and displacement. Top Answer Solution:Differences between distance covered and displacement. Distance Covered Displacement 1. It is the actual length of a path covered by a moving object irrespective of the direction of motion. 1. It…
Q. Differences between mass and weight. Top Answer Solution:Differences between mass and weight. Mass Weight 1. The mass is the quantity of matter present in an object. 1. The weight is the force with which an object is attracted by…
Q. Comparison of Dalton’s atomic theory and modern atomic theory. Top Answer Solution:Comparison of Dalton’s atomic theory and modern atomic theory. Dalton’s atomic theory Modern atomic theory 1. Atoms are indivisible particles. 1. Atoms are divisible into sub-atomic particles like…
Q. What is Hydrolysis? Top Answer Solution:It is a process in which a salt and water react to form an acidic or a basic solution. In this process of hydrolysis, only those salt hydrolyses that are formed by the reaction…
Q. Who is known as the father of Accountancy? Top Answer Solution:The father of accountancy is widely considered to be Luca Pacioli. Related Links
Q. Who is known as the Father of Psychology? Top Answer Solution:Wilhelm Wundt is often referred to as the “Father of Experimental Psychology.” Related Links
Q. Who is known as the Father of Email? Top Answer Solution:Ray Tomlinson is known as the father of email.He was an American computer programmer.Nowadays email is an essential means of communication for individuals, businesses, and organizations globally. About Email…
Q. Who is known as the Father of Television? Top Answer Solution:Philo Farnsworth is best known for inventing the electronic television.He was an American inventor. Related Links
Q. Who is known as the father of Agriculture? Top Answer Solution:Norman Ernest Borlaug is often referred to as the “Father of the Green Revolution.” He was an American agronomist and plant scientist.He developed high-yielding, disease-resistant wheat varieties that significantly…
Q. Who is known as the father of Mobile Phones? Top Answer Solution:Martin Cooper is an American engineer.He is widely recognized as the “Father of the Cell Phone.” He is credited with inventing and developing the first public call from…
Q. Who is known as the father of Atom Bomb? Top Answer Solution:J. Robert Oppenheimer is often referred to as the “father of the atomic bomb.”Oppenheimer was an American theoretical physicist. Related Links
Q. Who is known as the Father of Blood Circulation? Top Answer Solution:William Harvey is considered the father of Blood Circulation.He was an English physician and anatomist. About Blood CirculationBlood circulation in humans refers to the continuous movement of blood…
Q. Who is known as the Father of Homeopathy? Top Answer Solution:The person known as the “Father of Homeopathy” is Samuel Hahnemann.He was a German physician and the founder of homeopathy. Related Links
Q. Who is known as the father of Railways? Top Answer Solution:George Stephenson is known as the father of Indian railways. Related Links
Q. Who is known as the father of immunology? Top Answer Solution:Edward Jenner is known as the father of immunology. Related Links
Q. Who is known as the father of the Modern Periodic Table? Top Answer Solution:Dmitri Mendeleev is considered the father of the Modern Periodic Table.He was a prominent Russian chemist and inventor.His most notable achievement was his development of the…
Q. Who is known as the father of Evolution? Top Answer Solution:Charles Robert Darwin is best known for his theory of evolution and natural selection.He was born on February 12, 1809, in Shrewsbury, England.His book “On the Origin of Species”…
Q. Who invented the electric bulb? Top Answer Solution:Thomas Alva Edison is best known for inventing the electric light bulb. Related Links
Q. Who is known as the father of Modern Chemistry? Top Answer Solution:Antoine Lavoisier is often referred to as the “Father of Modern Chemistry“.Antoine-Laurent de Lavoisier was born on August 26, 1743, in Paris, France.Lavoisier is best known for his…
Q. Who was the writer of Marvel Comics? Top Answer Solution:Stan Lee, his full name was Stanley Martin Lieber.He was a legendary comic book writer, editor, and publisher.Stan Lee co-created some of the most iconic superheroes and characters including Spider-Man,…
Q. Who is known as the father of Telephone? Top Answer Solution:Alexander Graham Bell is best known as the inventor of the telephone.Alexander Graham Bell made the first successful telephone call to his assistant, saying, “Mr. Watson, come here, I…
Q. Who is known as the father of the Missile Program? Top Answer Solution:A.P.J. Abdul Kalam is widely regarded as the “Missile Man of India”. Related Links
Q. Who is known as the father of Civil Aviation? Top Answer Solution:J.R.D. Tata, whose full name was Jehangir Ratanji Dadabhoy Tata, was born on July 29, 1904, in Paris, France. Related Links
Q. Who is the father of the Green Revolution in India? Top Answer Solution:M.S. Swaminathan is widely recognized as the “Father of the Green Revolution in India”.He is a renowned Indian agricultural scientist, born on August 7, 1925, in Kumbakonam,…
Q. Who is known as the father of cinema in India? Top Answer Solution:Dadasaheb Phalke is considered the father of Indian cinema. Related Links
Q. Who is known as the father of Modern India? Top Answer Solution:Raja Ram Mohan Roy is often regarded as the “Father of Modern India”. Related Links
Q. Who is known as the father of the Nation in India? Top Answer Solution:Mahatma Gandhi is known as the “father of Nation” in India. Related Links
Q. Who is known as the father of the White Revolution? Top Answer Solution:Dr. Verghese Kurien, is often referred to as the “Father of the White Revolution” in India.He created a sustainable model for dairy production and distribution.He introduced modern…
Q. Who is known as the father of the Green Revolution? Top Answer Solution:Dr. Norman Borlaug is referred to as the father of the Green Revolution. Dr. Norman Borlaug was an American agronomist, and humanitarian called the “Father of the…
Q. Who gives the famous theory of relativity E = MC2? Top Answer Solution:Albert Einstein gave the theory of relativity E = MC2. Albert Einstein was a brilliant physicist and mathematician who is considered one of the greatest scientists in…
Q. Who discovers the law of gravity? Top Answer Solution:Sir Isaac Newton discovered the law of gravity. Sir Isaac Newton was an English mathematician, physicist, and astronomer who made significant contributions to the fields of mathematics, physics, and astronomy.Newton’s most…
Q. Who is known as the father of Aviation? Top Answer Solution:The Wright Brothers are considered the father of Aviation.A. Orville WrightB. Wilbur Wright They are credited with inventing and building the world’s the first successful airplane. Related Links
Q. Who is the father of Geometry? Top Answer Solution:Euclid is considered the father of Geometry. Euclid, also known as Euclid of Alexandria, was a Greek mathematician.He is referred to as the “Father of Geometry”.Euclid’s most famous work is his…
Q. Who painted the painting of Mona Lisa? Top Answer Solution:Leonardo da Vinci painted the painting of the Mona Lisa. Leonardo da Vinci, born on April 15, 1452, in Vinci, Italy, was a polymath.Da Vinci was an exceptional artist, known…
Q. What are the differences between the Straight Line and Diminishing Balance methods of charging Depreciation? Top Answer Solution: Straight line Method Diminishing Balance method 1. A fixed amount of depreciation is charged. [Cost of the machine is 5,000; depreciation…
Q. What are compound Journal Entries? Top Answer Solution:When a single transaction affects multiple accounts simultaneously and cannot be recorded using a simple journal entry with just one debit and one credit is known as compound Journal Entries. ExampleReceived commission…
Q. What is Journal Entry? Top Answer Solution:Journal entries are typically prepared by accountants or bookkeepers based on source documents like invoices, receipts, vouchers, and other relevant records.In accounting, journal entries are the primary records of financial transactions.Transactions are recorded…
Q. What is Cash Book in Accounting? Top Answer Solution:In accounting, a cash book is a financial journal that records all cash transactions of a business entity.The cash book is used to track and monitor the movement of cash, including…
Q. What is a Cash Transaction? Top Answer Solution:When a transaction is completed with the help of cash, coins or banknotes, as a medium of payment., then it is called a cash transaction. Related Links
Q. What is Bookkeeping? Top Answer Solution:It is a process of recording transactions. Bookkeeping is the art of recording business transactions in a systematic order.Bookkeeping is essential for businesses to understand their financial activities clearly.It involves creating and maintaining various…
Q. What are the different methods of calculating Depreciation? Top Answer Solution:There are various methods used to calculate depreciation. The most common methods are:(a) straight-line method depreciation(b) declining balance or reducing balance method depreciation(c) units of production method depreciationEach method…
Q. What is depreciation? Top Answer Solution:Depreciation is derived from the Latin word “depretium” which means a decrease in the value of fixed assets due to wear & tear, the passage of time, and obsolescence. ExampleThe cost of the machine…
Q. Who is known as the father of computer? Top Answer Solution:Charles Babbage is known as the father of computer. Related Links
Q. What is the full form of RAM? Top Answer Solution:The full form of RAM is Random Access Memory. RAM, or Random Access Memory, is a type of computer memory that stores data temporarily. It allows your computer to quickly…
Q. What are substitutes goods? Top Answer Solution:Substitute goods are products or services that can be used as alternatives to each other. If the price of one good increases, consumers may switch to purchasing a substitute good that provides similar…
Q. What is a monopoly? Top Answer Solution:A monopoly is a market structure in which a single firm or entity dominates the production and sale of a particular product or service. In a monopoly, the firm has complete control over…
Q. What is inflation? Top Answer Solution:Inflation is a sustained increase in the general price level of goods and services in an economy over time, making things more expensive. It means that the purchasing power of money declines.A little inflation…
Q. Why economics is important? Top Answer Solution:Economics provides a framework for understanding how societies function, how resources are allocated, and how individuals and businesses make decisions. This knowledge is essential for making informed decisions about our own lives and…
Q. What is GDP? Top Answer Solution:Gross Domestic Product (GDP) is a measure of the total value of all goods and services produced in a country during a specific period, usually a year. GDP is one of the most commonly…
Q. What microeconomics? Top Answer Solution:Microeconomics studies the behavior of individual agents, such as households, firms, and industries, and how they make decisions to allocate limited resources. Related Links
Q. What macroeconomics? Top Answer Solution:Macroeconomics studies the overall economy and big trends like growth, unemployment, and inflation. It looks at how the government spends and taxes money, and how banks control money and interest rates. It also examines how…
Q. What are the branches of economics? Top Answer Solution:The two branches of economics are microeconomics and macroeconomics. Microeconomics – Microeconomics studies the behavior of individual agents, such as households, firms, and industries, and how they make decisions to allocate…
Q. Who is the father of economics? Top Answer Solution:Adam Smith, a Scottish philosopher and economist is known as the father of economics. Related Links
Q. What is economics? Top Answer Solution:Economics is a social science that studies how people, businesses, governments, and societies allocate scarce resources to satisfy their unlimited wants and needs. It involves analyzing the production, distribution, and consumption of goods and…
Q. What is the full form of GPS? Top Answer Solution:The full form of GPS is the Global Positioning System. Related Links
Q. What is the name of the longest river in the world? Top Answer Solution:The Nile River is the longest river in the world. It is approximately 4,135 miles (6,650 kilometers) long. Related Links
Q. How many continents are on the earth? Top Answer Solution:There are seven continents in the world.1. Asia 2. Africa3. North America4. South America5. Antarctica6. Europe7. Australia Asia is the largest and Australia is the smallest continent in the world.…
Q. How many oceans are on the earth? Top Answer Solution:There are five oceans in the world.1. The Pacific Ocean 2. The Atlantic Ocean3. The Indian Ocean4. The Southern Ocean5. The Arctic Ocean Related Links
Q. Which country is both a continent and an island? Top Answer Solution:Australia is both a continent and an island. Location Australia is located in the Southern Hemisphere and is the world’s sixth-largest country by total area. It is surrounded…
Q. Which is the largest ocean in the world? Top Answer Solution:The Pacific Ocean is the largest ocean in the world. It covers an area of about 63.8 million square miles. Related Links
Q. What is longitude? Top Answer Solution:Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth’s surface relative to the Prime Meridian, which is an imaginary line that runs from the North Pole to…
Q. What is latitude? Top Answer Solution:Latitude is a geographic coordinate that specifies the north-south position of a point on the Earth’s surface relative to the equator. It is usually measured in degrees, with 0 degrees being the equator and…
Q. When did the Mughal Empire start in India? Top Answer Solution:The Mughal Empire in India began with the reign of Babur, who was a Central Asian ruler and the founder of the Mughal dynasty.Babur invaded India in 1526 and…
Q. What is sati paratha? Top Answer Solution:Sati is the cruel and barbaric practice of burning a widow at their dead husband’s funeral.Raja Ram Mohan Roy played a significant role in abolishing the Sati movement. Related Links
Q. What is the cold war? Top Answer Solution:The cold war began after the World War II in 1945. Related Links
Q. In which year Second World War WW-II was fought? Top Answer Solution:The Second World War (WWII) was fought from 1 Sept 1939 – 2 Sept 1945. Related Links
Q. In which year First World War WW-I was fought? Top Answer Solution:The First World War (WWI) was fought from 28th July 1914 to 11th November 1918. Related Links
Q. What is photosynthesis? Top Answer Solution:Photosynthesis is the process in which green plants use sunlight to make their own food.Photosynthesis is the process by which green plants, algae, and some bacteria use sunlight, water, and carbon dioxide (CO2) to…
Q. What are the different parts of the brain? Top Answer Solution:There are three parts of the brain(a) Cerebrum(b) Cerebellum(c) Medulla Related Links
Q. Who did discover DNA? Top Answer Solution:James Watson and Francis Crick discovered the structure of DNA in 1953.It is often described as the “blueprint” of life.Full form of DNA is – Deoxyribonucleic Acid Related Links
Q. Who is the father of Bacteriology? Top Answer Solution:The father of bacteriology is considered to be French microbiologist Louis Pasteur. Related Links
Q. Who is the father of Medicine? Top Answer Solution:The father of medicine is widely considered to be Hippocrates. Related Links
Q. Who is the father of Cytology? Top Answer Solution:Robert Hooke is considered the father of cytology.The Study of cells is known as Cytology.Cytology is the branch of biology that studies the structure, function, and life processes of cells. Related…
Q. Who is the father of Genetics? Top Answer Solution:Gregor Mendel is considered the father of Genetics. Related Links
Q. Who is the father of Indian Ecology? Top Answer Solution:The father of Indian Ecology is considered to be Ramdeo Misra.He was an Indian ecologist.He is known for his work in the field of ecology and conservation biology. Related Links
Q. Who is the father of Indian Medicine? Top Answer Solution:The father of Indian surgery is considered to be Sushruta. Related Links
Q. Who is the father of Indian Medicine? Top Answer Solution:* Charaka is considered the father of Indian medicine.* Charaka was an ancient Indian physician and one of the principal contributors to Ayurveda.* Charaka is best known for his treatise…
Q. Who is the father of zoology? Top Answer Solution:Aristotle* Aristotle was a Greek philosopher and scientist.* He was a student of Plato and a teacher of Alexander the Great.* One of Aristotle’s most famous works is “Nicomachean Ethics”.* He…
Q. Who is known as the father of botany? Top Answer Solution:TheophrastusTheophrastus was a Greek philosopher and scientist.He was a student of Aristotle.His two botanical works, “Enquiry into Plants (Historia Plantarum)” and “On the Causes of Plants,” were an important…
Q. What is the full form of RBC and WBC? Top Answer Solution:RBC – Red Blood Cells. WBC – White blood cells. Related Links
Q. Describe the structure of the periodic table. Top Answer Solution:The periodic table is a tabular arrangement of chemical elements organized based on their atomic number, electron configuration, and recurring chemical properties. It provides a systematic representation of all known…
Q. What is the pH scale used for? Top Answer Solution:The pH scale is used to measure the acidity or alkalinity (basicity) of a solution. It is a numerical scale ranging from 0 to 14, where 7 represents neutrality. Solutions…
Q. What are the three states of matter? Top Answer Solution:The three states of matter are solid, liquid, and gas. Solid: Matter in a solid state has a fixed shape and volume. The particles are closely packed together and only…
Q. What is a compound? Top Answer Solution:A compound is a substance that consists of two or more different elements chemically combined in fixed proportions. In other words, compounds are formed when atoms of different elements bond together to create…
Q. Define an element. Top Answer Solution:An element is a pure substance that consists of only one type of atom. It is the simplest form of matter and cannot be broken down into simpler substances by ordinary chemical means. Related…
Q. What is an atom? Top Answer Solution:An atom is the smallest unit of matter that retains the chemical properties of an element. It is often described as the building block of matter. Atoms are incredibly small, with diameters on…
Q. What is chemistry? Top Answer Solution:Chemistry is a branch of science that deals with the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. It explores the behavior and interactions of atoms, molecules,…
Q. What is a nucleus? Top Answer Solution:A nucleus is a small spherical or oval structure.The nucleus controls all the activities of the cell, therefore it is called the control center of the cell.It stores information of all the heredity…
Q. What is cytoplasm? Top Answer Solution:Cytoplasm is a jelly-like thick substance present between the cell membrane and nucleus.It contains up to 90% of water.It is a vital component of both eukaryotic and prokaryotic cells.Many life processes of the cell…
Q. Which part of the cell is known as a suicide bag of cells? Top Answer Solution:Lysosomes are known as suicide bags.Lysosomes contain various digestive enzymes capable of breaking down cellular components, including proteins, nucleic acids, lipids, and carbohydrates. When…
Q. What is a multicellular organism? Top Answer Solution:All plants and animals that we see around us are made up of millions and billions of cells. These organisms are called multicellular organisms. Examples: Peepal, Neem, Rose, Earthworm, Fish, Frog and…
Q. What is a unicellular organism? Top Answer Solution:These are single-celled organisms, i.e., they are formed of just one single cell. Many tiny plants and animals are unicellular.Examples: Chlamydomonas, Yeast, Bacteria, Amoeba and Paramecium. Related Links
Q. What is Lysosome? Top Answer Solution:Lysosomes are small, rounded sacs, filled with tissue dissolving enzymes. They help in the digestion of foreign bodies. They also take part in autodigestion. They digest worn-out parts of their own cells. So, they…
Q. Which part of the cell is known as the powerhouse of the cell? Top Answer Solution:Mitochondria are known as the powerhouse of the cell.Mitochondria are called the powerhouse of the cells because they produce energy in the form of…
Q. What is cell theory? Top Answer Solution:All living organisms are made up of cells, this statement is known as cell theory.Cell theory was given by two scientists named Matthias Schleiden and Theodor Schwann. The cell theory states(1) Every living…
Q. Who discovered single-celled organisms? Top Answer Solution:Anton Van Leeuwenhoek discovered a single-celled organism in 1674.He developed powerful microscopes capable of magnifying objects significantly.His pioneering work in microscopy and the discovery of single-celled organisms laid the foundation for the field…
Q. Who discovered the cell? Top Answer Solution:Robert Hooke discovered the cell in 1665.He observed a thin slice of cork under a microscope and noticed that the cork had large numbers of small boxes joined together to form a honeycomb-like…
Q. What is anode ray? Top Answer Solution:A beam of positively charged ions is known as an anode ray. Related Links
Q. What is cathode ray? Top Answer Solution:Cathode rays are streams of tiny electron-containing particles. Related Links
Q. What are the main features of the structure of atoms? Top Answer Solution:The main features of the structure of atoms: Related Links
Q. What are the properties of neutrons? Top Answer Solution:* Neutrons have no charge or neutral charge unlike proton (+) and electron (-).* The mass of neutron is 1.676 x 10^-24 (1 amu).* Neutrons are regarded as stable particles since…
Q. What are the properties of protons? Top Answer Solution:• Protons have positive (+) charge.• Protons are heavy in comparison to electrons having about 1836 times greater than the mass of an electron.• Its mass is the same as that…
Q. What are the properties of electrons? Top Answer Solution:• The mass of an electron is very small about 1/1837 the mass of a proton or neutron.• Electrons have a negative (-) charge• All electrons from all sources have the…
Q. What is the formula of water? Top Answer Solution:The chemical formula for water is H2O. Related Links
Q. Who did first discover the electrons? Top Answer Solution:Electrons were first discovered by J.J. Thomson in 1897.• An electron is a subatomic particle with a (-) negative electric charge.• It is found in the outer part of an atom,…
Q. Who did discover Neutrons first? Top Answer Solution:Neutrons were first discovered by James Chadwick in 1932.• Neutrons are subatomic particles found within an atom’s nucleus, alongside protons.• Neutrons are electrically neutral, meaning they have no electrical charge.• They are…
Q. What is Cell Division? Top Answer Solution:New Cells are formed from the pre-existing cells by the process of cell division.It is a process in which a parent cell is divided into two identical daughter cells.It is a fundamental process…
Q. Who did discover protons first? Top Answer Solution:Protons were first discovered by Ernest Rutherford in 1919.• A proton is a subatomic particle with a positive (+) electric charge.• It is found in the nucleus of an atom, along with…
Q. What kind of advice did Swami’s father give him to get rid of a headache? Top Answer Solution:Swami’s father advised him to stop loafing on Sundays and he would be without a headache on Monday. Related Links
Q. Who discovered the atoms first? Top Answer Solution:John Dalton discovers the atoms.* An atom is the basic unit of matter that forms a chemical element.* Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms.* Atoms…
Q. What did Father tell Swami when he returned home? Top Answer Solution:Father told Swami that he was sure that Swami would not deliver his letter to the headmaster and also warned Swami not to come to him for help…
Q. What was an unexpected question to Swami? Top Answer Solution:When Samuel suggested to Swami that if he was having a headache, then why did he come he must stay at home. This was unexpected to Swami. Related Links
Q. How did Swaminathan want to avoid going to school? Top Answer Solution:Swaminathan is a school-going boy who always tries to escape from going to school by giving so many false excuses to his parents. He sometimes claims to have…
