Complete Explanation of CBSE Notes
CBSE Cell Structure and Functions Cell is the building blocks of our life. Every living organism is made up of cells. Cells were first discovered by Robert Hooke through simple magnifying device. Presently, due to presence of high power microscope, study of cell and its component become easy task. Cells consist of different shapes and …
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CBSE Conservation of Plants and Animals Plants and animals are our true friends; we must protect them as they provides us with lot of things For this purpose many national parks, wildlife sanctuaries and biosphere reserves had been made National parks, wildlife sanctuaries and biosphere reserves are names given to the areas meant for conservation …
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CBSE Combustion and Flame Class 8 Extra Questions Fuels are of various types, and different types of fuels are used for different purposes like in industry, for running automobiles, for domestic uses etc. The chemical process in which a substance reacts with oxygen to give off heat is called combustion The substance which undergoes combustion …
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CBSE Coal and Petroleum Class 8 Extra Questions Natural resources can be broadly classified into inexhaustible natural resources and exhaustible natural resources Coal petroleum and natural gas are exhaustible natural resources Coal petroleum and natural gas are called fossil fuels because they are formed from dead remains of living organisms. Please refer Coal and Petroleum …
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CBSE Materials: Metals and Non-Metals There are 92 elements occurring naturally, out of which 70 are metals and about 22 are non- metals some elements show properties of both metals and non-metals they are called metalloids Metals are solid, hard, malleable and ductile Metals have high melting and boiling points and are good conductor of …
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CBSE Synthetic Fibres and Plastics Fibres are used for making a large variety of household articles Natural fibres like cotton, wool, silk etc., are obtained from plants and synthetic fibres are made by human beings by chemical processing of petrochemicals Like natural fibres synthetic fibres and plastics are made of very large units called polymers, …
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CBSE Microorganisms: Friend and Foe Class 8 Extra Questions Microorganisms are too small that we cannot see them with unaided eye. They are found in air, water and inside the bodies of Plants and animals They can live in all kinds of environment ranging from very cold climate to hot springs and deserts to marshy …
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CBSE Crop Production and Management Class 8 Extra Questions We need to adopt certain agricultural practices in order to provide food to our growing population. Plants of the same kind grown and cultivated at one place on a large scale for food, clothing, medicines, cosmetics, dyes, etc. are called crops. In India, crops are categorized …
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CBSE Extra Questions for Class 8 Science Here you can get Extra Questions for Class 8 Science based on NCERT Text book for Class VIII. Science Class 8 Extra Questions are very helpful to score high marks in board exams. Here we have covered Extra Questions on all topics for Class 8 Science subject. Crop Production and Management Class 8 Extra Questions Microorganisms: …
CBSE Notes for Our Environment Class 10 Extra Questions Our environment students will also learn about how do our activities affect our environment. Additionally, the solutions given for the exercise at the fag end of the chapter helps in giving a clear perspective to the readers about the key ideas of the chapter. Chapter 15, …
CBSE Revision Notes