CBSE Class 7 Science Question Paper Set 03 Solved

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Access and download CBSE Class 7 Science Question Paper Set 03 Solved, carefully designed as per the latest 2026-27 examination guidelines issued by CBSE, NCERT, and KVS. These Class 7 Science previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

CBSE Class 7 Science Exam Question Papers

Practicing these Class 7 Science question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 7 students can improve their speed and accuracy. Download the full CBSE Class 7 Science Question Paper Set 03 Solved to begin your self-assessment today.

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SECTION ‘A’
 
Q.NO1
 
(a) Presence of __________ in leaves indicates the occurrence of photosynthesis.
 
a)chlorophyll             b)carbon dioxide             c)starch              d)oxygen
 
(b) The range of laboratory thermometer is : -10°C - 110° C : : the range of clinical thermometer is :
 
a)35°C - 45°C           b)35°C - 42°C               c)35°C - 40°C      d) -35°C - 42°C
 
(c) We get heat when we sit in front of room heater, because of which mode of heat transfer?
 
a)conduction             b)convection                 c)radiation           d)none of these
 
(d) Liquid wastes of industries should be neutralized by adding ___________ before disposal.
 
a)slaked lime             b)HCl                          c)milk of magnesia                d)all of these
 
(e) When carbon dioxide is passed through lime water, it turns milky due to the formation of _________
 
a) Calcium carbonate (CaCO3)                      b) Water
 
c) Sodium hydrogen carbonate                     d) None of these
 
(f) Anaerobic bacteria digest animal waste and produce biogas (Change − A). The biogas is then burnt as fuel (Change − B). The following statements pertain to these changes. Choose the correct one.
 
a) Process − B is a chemical change.    b) Process − A is a chemical change.
 
c) Both processes A and B are chemical changes.
 
d) None of these processes is a chemical change
 
(g) Breathing is a process that
 
(i) provides O2 to the body.
 
(ii) breaks down food to release energy.
 
(iii) helps the body to get rid of CO2.
 
(iv) produces water in the cells.
 
Which of the following gives the correct combination of functions of breathing?
 
a) (i) and (ii)           b) (ii) and (iii)          c) (i) and (iii)           d) (ii) and (iv)
 
Tina makes a circuit for her project work as shown
CBSE Class 7 Science Question Paper Set 3 Solved 1
 
(h) Which of the following options represents the correct circuit diagram for this setup?
CBSE Class 7 Science Question Paper Set 3 Solved 1
 
(i) The maximum and minimum temperature displayed daily in the weather bulletin refer to the –
 
a) highest day temperature and lowest early morning temperature of the day.
 
b) highest day temperature and highest night temperature of the month.
 
c) temperature recorded at 12 noon and at mid night (00.00 hrs).
 
d) average highest temperature of day and average lowest temperature of night.
 
(j) The coldest region on earth is the –
 
a) polar region    b) tropical region      c) temperate region         d) coastal region
 
(k) In this mode of nutrition simple molecules are used to synthesis complex chemical substances such as carbohydrates. Identify the mode of nutrition.
 
(l) An iron rod at 50°C is dropped in a tub containing water at 50°C. In which direction the heat flows?
 
(m) How can you construct houses that are not affected much by heat and cold outside? 
 
(n) What are alkalis? 
 
(o) Represent the process of rusting by an equation. 
 
(p) What kind of a change is cloud formation? 
 
(q) Vishal was participating in a race. His younger sister wondered why he breathes faster and deeper than usual after finishing the race. Can you reason why? 
 
(r) What are MCBs? 
 
(s) Define weather. 
 
(t) Name the instrument used to measure rainfall.
 
 
 


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CBSE Class 7 Science Question Paper Set 03 Solved & Previous Year Question Papers for Class 7 Science

Class 7 Science Past Exam Papers & Resources

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Where can I download the official PDF for CBSE Class 7 Science Question Paper Set 03 Solved?

The CBSE Class 7 Science Question Paper Set 03 Solved is available for download on StudiesToday.com. It includes complete set with all sections so that Class 7 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 7 Science Question Paper Set 03 Solved based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 7 Science Question Paper Set 03 Solved are prepared by subject matter experts as per official marking scheme. Class 7 students will understand the structure of answers and 'step-marks' methodology Science.

How does solving CBSE Class 7 Science Question Paper Set 03 Solved help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 7 Science Question Paper Set 03 Solved is important to understand repeat themes and question difficulty levels of Science. It helps Class 7 students to test their time management skills too.

Can I access CBSE Class 7 Science Question Paper Set 03 Solved in different languages?

Yes, where applicable, CBSE Class 7 Science Question Paper Set 03 Solved is available in both English and Hindi mediums. All students from Class 7 can access Science study material in their preferred language.

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