Class 7 PT II Question Paper 2025-26 Science

CBSE CLASS 7
PT II Question Paper
Session 2025-26

SCIENCE

Exam CBSE Class 7
Subject Science
Session 2025-26
Document Type PT II Question Paper

Notes · Sample Papers · Previous Year Papers · Mock Tests

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Question Paper
Second Unit Test
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SESSION 2025-2026
CLASS: VII MAXIMUM MARKS: 40
SUBJECT: SCIENCE TIME: 1 HOUR 15 MINS
General Instructions:
1. This question paper contains 17 questions in 4 printed pages. All questions are compulsory.
2. Questions 1 to 3 are MCQ type questions carrying 1 mark each.

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3. Questions 4 and 5 are Assertion Reason type questions carrying 1 mark each and questions 6 and 7

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are case based questions carrying 4 marks each.

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4. Questions 8 to 12 are short answer type - I carrying 2 marks each and 13 to 16 are short answer type –

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II questions carrying 3 marks each.

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5. Question number 17 is long answer type question carrying 5 marks
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1. Heat always
SECTION-A
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(A)�from cold body to hot body.
(B)�from hot body to cold body.
(C)�in both directions.
(D)�does not flow at all.

2. Read the following statements with reference to the soil. 1

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(i)Weathering is a very fast process of soil formation.

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(ii) Percolation of water is faster in sandy soil.

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(iii) Loamy soil contains only sand and clay.

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(iv) Top soil contains the maximum amount of humus.

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Choose the correct statements from the above.
(A) (ii) and (iv)
(B)� (i) and (iii)
(C) (ii) and (iii)
(D) (i) and (ii)

3. „X‟ is dark, damp forest layer covered with decomposing leaves, animal droppings, dead trees 1
and animals. Identify layer „X‟.
(A) Understory

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(B) Canopy

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(C) Emergent layer
(D) Forest floor
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Q. No.4. and Q. No. 5. Consist of two statements- Assertion(A) and Reason(R). Read

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both the statements carefully and choose the correct alternative from the
(A) Both Assertion and Reason are true and Reason is correct explanation of
Assertion.
(B)�Both Assertion and Reason are true and Reason is not correct explanation of
Assertion.
(C) Assertion is true but Reason is false.
(D) Assertion is false but Reason is true.

4. Assertion (A): Presence of copper oxide imparts brown colour to soil. 1

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Reason (R): Dark colour of soil is related to the presence of certain minerals and organic

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matter in the soil.

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5. Assertion (A): Forests are called the “lungs of the earth”. 1
Reason (R): Forests absorb carbon dioxide and release oxygen during photosynthesis.

SECTION - B
Question No. 6 and 7 are case based questions. Read the passages given below and answer
the following questions:
6. A reliable measure of the hotness of an object is its temperature. Temperature is measured by a 4
device called thermometer. The thermometer used to measure human body temperature is
known as clinical thermometer. A clinical thermometer is made up of a long and narrow glass
tube. It has a special feature called a kink just above the mercury bulb.
(a) State the role of the kink in a clinical thermometer.
(b) “A few jerks are given before measuring the body temperature”. Support this
statement with a proper reason.
(c) Write one difference between an ordinary laboratory thermometer and a clinical
thermometer.
(d) Is it convenient to measure temperature of boiling water by a clinical thermometer?

7. Rohan visited different parts of India with his parents where he found different types of trees 4
based on the geographical landscape. He observed that trees not only help in maintaining
ecological balance but culturally, trees are deeply integrated into Indian tradition, while some
of them are considered sacred.
(a) Name the tree which is also known as „Miracle Tree‟.
(b) Write one importance of Eucalyptus tree.
(c) Identify the tree which is a native species in Western –Himalayan region.
(d) Mention the name of the deciduous tree which is widely grown as ornamental plant.

SECTION – C
8. At a camp site there are tents of two shades – one made with black fabric and the other with 2
white fabric.
(a) Which one will you prefer for resting on a hot summer afternoon? Give reason for your
choice.
(b) Would you like to prefer the same tent during winter?

9. (a) What do you mean by the percolation rate of the soil? 2
(b) Write the name of the soil which has the highest and the lowest rate of percolation.

10. A farmer noticed that the fertility of his field had decreased after several harvests. How can 2
vermicomposting help him to improve the soil quality?

11. Observe the given food chain: 2

What will happen to the population of producer and carnivore if the herbivore is removed from
the above food chain? Give reason for your answer.

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c12. Pictures given below are two different shapes of “crown of trees” insdifferent
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Earth.

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Explain the reason behind the change in shapes of “crown of trees” in different geographical

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SECTION – D
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13. We feel warm when we sit near a fire place even without touching it.
(a) Name the mode of transfer of heat in the above statement and explain the reason.
(b) Write one difference between heat and temperature.

14. The figure given below shows a soil profile consisting of different soil horizons.� 3

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(a) Name the soil horizons A, B, C and R.
(b) “Loamy soil is considered to be the best soil for growing most of the crops”.
Justify this statement with proper reason.

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(a) Identify and name the layers of forest mentioned as „A‟, „B‟, „C‟ and „D‟.
(b) Mention any one point of difference between layers „A‟ and „B‟.
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16. ‘X‟ and „Y‟ are two groups of organisms found in the forest. „X‟ eats the dead body of animals 3
whereas „Y‟ breaks down the dead body of plants and animals into simpler substances.
(a) Identify „„Y‟‟.
(b) “Canopy is the most productive region of forest layer”. Give reason.

SECTION – E

17. Observe the picture given below and answer the following questions: 5

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(a) Identify this natural phenomenon and explain how it occurs.
(b) “Many chemical changes take place only when the reactants are heated up”.
Justify this statement by giving one suitable example.
(c) Give reason:
(i) Fire brigade men often use shining brass caps.
(ii) When a metal chair is left out in the sun, on a hot summer day, it becomes too
hot to sit on the chair.

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