CBSE Class 7 Science Question Paper Set 01

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Review targeted exam resources with the CBSE Class 7 Science Question Paper Set 01. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 7 Science question papers support effective revision and performance tracking.

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SECTION A
1. Which part of the plant takes part in sexual reproduction? (1)
 
2. Name the natural source of litmus indicator? (1)
 
3. (a) Define rusting.
    (b) Write the word equation of the process of rusting.
 
4. What makes an ant sting acidic? How it can be treated? (2)
 
5. A flat in Mumbai with a balcony facing the sea has some clothes hung on a cloth line in the balcony.
(a) To which direction the clothes will be blown in afternoon- towards the sea or away from the sea?
(b) Give a reason to support your answer.
 
6. (a) Why are ventilators made close to the ceilings?
    (b) Write any two examples to prove that air exerts pressure?
 
7. Which property of a conducting wire is utilised in making electric fuse? Explain how does a fuse prevent accidental fire?
 
8. (a) Name the process and the organ which helps in removing the following waste from the body.
i. Carbon dioxide
ii. Urine
(b) Why is it necessary to excrete waste products?
 
9. Give reasons for the following:
(a) Convex lens is used as magnifying glass.
(b) Soap bubble appears colourful.
(c) Headlights of cars and scooters are concave in shape.
 
10. (a) Mention the mode of seed dispersal in
i. Castor
ii. Balsam
(b) Mention any two benefits of seed dispersal for plants.
 
11. Mention any three differences between breathing and respiration. (3)
 
12. Explain the various steps that lead to the formation of a cyclone. (3)
 
13. Differentiate the following on the basis of their function. (Write one difference)
(a) Artery and vein
(b) red blood cells and patelets
(c) atrium and ventricle
 
14. (a) Explain why we feel hungry after doing physical activities.
      (b) Why do we often sneeze when we inhale a lot of dust- laden air?
 
15. (a) Which vascular tissues help in the transport of water, minerals and food in plants?
(b) How transpiration is useful for plants? (Write any two points)
 
16. (a) Draw schematic diagram showing circulation of blood in humans and label the following parts:
i. Pulmonary artery
ii. Pulmonary vein
iii. Lungs
iv. Capillaries
(b) State any one important function of blood.
 
17. (a) Explain how rain water turns acidic.
      (b) Write the chemical name of the following
          i. Acid present in each cell of our body
         ii. Substance used to cure acidity
 
iii. Acid responsible for sourness of curd.
iv. Substance used to neutralize acidic soil
(c) Mention the change in colour observed when china rose indicator is added to a soap solution. What does it indicate about the nature of soap solution?
 
18. (a) Draw a ray diagram to show the path of light through concave lens.
      (b) What will be the nature and the size of the image when the object is placed
i. very close to a concave mirror
ii. far away from a convex mirror
(c) Give one use of concave mirror.
 
19. (a) write the word equation involved in the following
(i) breakdown of glucose in the presence of oxygen.
(ii) breakdown of glucose in the muscle cell.
(b) Explain how the movement of ribs and diaphragm occurs during breathing.
OR
(a) Explain how the exchange of gases takes place in the following
(i) cockroach
(ii)earthworm
(b) What would happen if a plant is overwatered?
 
20. (a) Define the term ‘Fertilisation’. State any two changes that occur in flower after fertilisation.
     (b) Name the form of asexual reproduction that occurs in the following
i. Yeast
ii. Spirogyra
iii. Turmeric
iv. Mosses
OR
(a) Define the term ‘Pollination’. Write two differences between self-pollination and crosspollination.
(b) Write the significance of following features in a pollen grain:
i. Presence of protective coat
ii. Light weight
 
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FAQs

Where can I download the official PDF for CBSE Class 7 Science Question Paper Set 01?

The CBSE Class 7 Science Question Paper Set 01 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 01 based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 7 Science Question Paper Set 01 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 01 help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 7 Science Question Paper Set 01 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 01 in different languages?

Yes, where applicable, CBSE Class 7 Science Question Paper Set 01 is available in both English and Hindi mediums. All students from Class 7 can access Science study material in their preferred language.

Is there a charge to download the CBSE Class 7 Science solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 7 Science Question Paper Set 01, are provided free of charge in mobile-friendly PDF.