# CBSE Class 10 Science Sample Paper 2015 Set B

Read and download PDF of CBSE Class 10 Science Sample Paper 2015 Set B designed as per the latest curriculum and examination pattern for Class 10 issued by CBSE, NCERT and KVS. The latest Class 10 Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Science Standard 10 which they need to study more to get better marks in Grade 10 exams. After solving these guess papers also refer to solved Class 10 Science Question Papers available on our website to build strong understanding of the subject

## Science Sample Paper Class 10 2015

Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 10 exams. Please download CBSE Class 10 Science Sample Paper 2015 Set B

### Science Class 10 Sample Paper 2015

SECTION: ‘A’

1. In domestic electric circuit, with which wire do we connect a fuse?

2. Name the two components of central nervous system in humans.

3. Name one fuel used in nuclear reactor.

4. Write the chemical reaction for respiration. Why is it considered an exothermic reaction?

5. Mention one physical property each of a metal and a non-metal which is exceptional to their general properties.

6. A battery of 12 V is connected to a series combination of resistors, 3 Ω, 4 Ω, 5 Ω, and 12 Ω. How much current would flow through the 12 Ω resistor?

7. Why do two magnetic field lines never intersect each other?

8. In the electrolysis of water:

(i) Name the gas collected at the cathode and anode respectively

(ii) Why is the volume of one gas collected at one electrode double than that at the other? Name this gas.

(iii) How will you test the evolved gases?

9. Giving one example of each, define the following terms:
(i) Corrosion
(ii) rancidity

11. Write the chemical equation that takes place when _____.
(i) Cinnabar is heated in air.
(ii) Zinc carbonate is calcinated.
(iii) Zinc sulphide is roasted.

12. (i) Calculate the electrical energy consumed by a 1200 W toaster in 30 minutes.
(ii) What will be the cost of using the same for 1 month if one unit of electricity costs Rs 4.

13. Give reasons for the following:-
(i) Household appliances are connected in parallel
(ii) Alloys instead of pure metals are used in making heating elements of heating devices.
(iii) Aluminium and Copper are used for making wires for long distance transmission of power.

14. What is a solenoid? Draw a diagram to show the magnetic field lines around a current carrying solenoid. Mention two ways to increase the strength of the field of a solenoid.

15. List in tabular form, three differences between arteries and veins.

16. State two functions of plant hormones? Name four different types of plant hormones.

17. (a) Draw the structure of neuron and label cell body and axon.
(b) Name the part of neuron:
(i) Where information is acquired
(ii) through which information travels as an electrical impulse.

18. Explain the principle and working of a biogas plant using a labelled schematic diagram.

19. (a) Why is concave mirror used in some solar cookers in place of a plane mirror?
(b) Mention any two factors which affect the cooking time of a solar cooker?
(c) State a limitation of using solar cooker.

Please click the below link to access CBSE Class 10 Science Sample Paper 2015 Set B