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…

CBSE Class 10 Science Sample Paper Solved 2020 Set A

CBSE Class 10 Science Sample Paper Solved 2020 Set A. It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in…

CBSE Class 10 Science Sample Paper 2019 Solved

CBSE Class 10 Science Sample Paper 2019 Solved. CBSE issues sample papers every year for students for class 10 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 10 board exams this year.…

CBSE Class 10 Science Sample Paper Set A

Section - A 1. What are the limitations of extracting energy from wind?  2. Define power and hence derive its expression in terms of V, I & R.  3. Define magnetic field. Why two magnetic field lines can never cross each other. Draw magnetic field lines due to circular…

CBSE Class 10 Science Sample Paper Set B

SECTION-A 1 Lead Nitrate Pb(NO3)2 on heating forms lead oxide, nitrogen dioxide and oxygen. Write abalanced equation for this reaction. 2 The increase in demand for energy is affecting our environment adversely. List two such effects .  3 Why Respiration reaction is consider…

CBSE Class 10 Science Sample Paper Set C

SECTION - A 1. Why solar cookers are covered with glass plate and painted black from inside and outside.  2. Define electric potential at a point. A current of 2A passes through circuit for 1 minute. If the potential difference between 2 terminals is  3V. Calculate work done…