BSEH Haryana Class 10th Science Question Paper March 2025
Organisation : Board of School Education Haryana (BSEH)
Exam : Secondary Exam (Class 10th)
Document Type : Question Paper
Subject : Science
Year : March 2025
Website : https://bseh.org.in/secondary-old-question-paper-2025
BSEH Haryana Class 10th Science Question Paper
Download Board of School Education Haryana (BSEH) Secondary Exam (Class 10th) March 2025 Science Question Paper.
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BSEH Haryana Class 10th Science Questions
Section – A: (Physics)
1. No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be :
(A) only plane
(B) only concave
(C) only convex
(D) either plane or convex
2. An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be :
(A) 100 W
(B) 75 W
(C) 50 W
(D) 25 W
3. …………. is the small unit of electric power.
4. Which gas is filled in electric bulbs ?
5. The question below consists of two statements : Assertion (A) and Reason (R), answer the question by selecting the appropriate option given below :
Assertion (A) : The eyelens has the ability to focus clearly on the retina by adjusting its focal length.
Reason (R) : This phenomenon is known as power of accommodation.
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(C) (A) is true, but (R) is false.
(D) (A) is false, but (R) is true.
6. Why does the sky appear dark instead of blue to an astronaut ?
7. On what factors does the resistance of a conductor depends ?
8. Define Ohm’s law. State SI unit of resistance. Select the correct equation of resistance in accordance to Ohm’s law from below options : (A) R = V/I (B) R = I/V
9. (a)Draw magnetic field lines around a bar magnet.
(b) Write any two properties of magnetic field lines.
10. (a) Define the principal focus of a concave mirror.
(b) Name a mirror that can give an erect and enlarged image of an object.
(c)Why do we prefer a convex mirror as a rear-view mirror in vehicles ?
OR
(a) Define 1 dioptre of power of a Lens.
(b) Find the power of a concave lens of focal length 2 m.
Section – B: (Chemistry)
11 What happens when dilute hydrochloric acid is added to iron filling ? Choose the correct answer :
(A) Hydrogen gas and iron chloride are produced.
(B) Chlorine gas and iron hydroxide are produced.
(C) No reaction takes place.
(D) Iron salt and water are produced.
12. What measures will you take to prevent the ‘Namkeen’ from getting rancid after removing it from the packet ?
(A) Add anti-oxidant
(B) Fill Nitrogen gas
(C) Store in an air-tight container
(D) All of the above
13. ………… is the most malleable metal.
14. Why do ionic compounds have high melting points ?
15. The question below consists of two statements : Assertion (A) and Reason (R), answer the question by selecting the appropriate option given below :
Assertion (A) : Our stomach produces hydrochloric acid.
Reason (R) : Hydrochloric acid turns red litmus blue.
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(C) (A) is true, but (R) is false.
(D) (A) is false, but (R) is true.
16. What is combination reaction ? Give one example with chemical equation.
17. Write the chemical formula and two uses of bleaching powder.
OR
(a)Why do acids not show acidic behaviour in the absence of water ?
(b) What is neutralization reaction ? Give an example.
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