CBSE Class 10 Science Sample Paper Solved 2021 Set E

SECTION A   1. Why reproduction is considered to be an essential phenomenon in organisms?    2. What is Ganga action plan?    SECTION B   3. i) What is meant by water harvesting?   ii) Write two advantages of storing water in the ground.   4. Compare and contrast bio-mass and…

CBSE Class 10 Science Sample Paper Solved 2021 Set D

SECTION A   1. Name the sex hormone secreted by male and female sex organs in human beings.    2. Write any two harmful effects of ozone depletion.    SECTION B   3. “Rain water harvesting is essential”. Justify this statement giving two reasons.    4. Give two advantages and…

CBSE Class 10 Science Sample Paper Solved 2021 Set C

SECTION A   1. Name the sex hormone secreted by male and female sex organs in human beings.    2. What is Ganga action plan?    SECTION B   3. List any two measures that you suggest for better management of water.    4. Explain how electrical energy is generated in a nuclear…

CBSE Class 10 Science Sample Paper Solved 2021 Set B

SECTION A   1. The danger signals installed at the top of tall buildings are red in colour. Why?    2. Why do all elements of the same group have similar properties?    3. In the Chlor-alkali process, a gas X is formed as byproduct. The gas X reacts with lime water to give a…

CBSE Class 10 Science Sample Paper Solved 2021 Set A

SECTION A   1 What is ‘blob’ known as in Blob on a stick structures of Rhizopus?    2 Mention any one point of difference between Pepsin and Trypsin.    3 An element ‘P’ has atomic number 13. What would be its position in the modern periodic table? Write the formula of its…

CBSE Class 10 Science Sample Paper 2020 Set D

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CBSE Class 10 Science Sample Paper 2020 Set C

METALS AND NON-METALS   I. 1 mark Questions. 1.. Name two elements that are stored in kerosene.   2. What will happen when a strip of copper is kept immersed in a solution of silver nitrate?   3. State any two ways to prevent the rusting of iron.   4. What type of oxides are…

CBSE Class 10 Science Sample Paper 2020 Set B

CARBON AND ITS COMPOUNDS   1. What is the name given to the chemical bond   a) formed by sharing of electrons between two atoms?   b)formed by the transfer of electrons from one atom to another?   2. Draw the electron structure of simplest ketone.    3. Which of the following…

CBSE Class 10 Science Boards 2021 Sample Paper Solved

SECTION A No. Questions Marks 1 List any two observations when Ferrous Sulphate is heated in a dry test tube? OR Identify the products formed when 1 mL of dil. Hydrochloric acid is added to 1g of Sodium metal?   2 Write the chemical name and chemical formula of the salt used…

CBSE Class 10 Science Boards 2020 Sample Paper Solved

CBSE Class 10 Science Boards 2020 Sample Paper Solved. CBSE has recently released the sample papers for class 10 for subject Science. These papers are released every year by CBSE so that the students can understand the pattern of question paper which is expected to come in the…