CBSE Class 7 Science Question Paper Set 7 Solved

Read and download CBSE Class 7 Science Question Paper Set 7 Solved designed as per the latest question paper pattern and Class 7 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 7 Science have been provided with solutions which will help students to assess their performance and find out topics in Science grade 7 which they need to improve to get better marks in Standard 7 exams. After solving these last year papers also refer to solved Sample Papers for Class 7 Science available on our website to build strong understanding of the subject

Science Question Paper Class 7

Students can refer to the below Class 7 Science Question Paper designed to help students understand the pattern of questions that will be asked in Grade 7 exams. Please download CBSE Class 7 Science Question Paper Set 7 Solved

Science Class 7 Question Paper

SECTION A
 
1.Fill in the blanks
 
a. The -------------forms floor of the chest activity. 
 
b. A sheep body has a thick coat of hair called -------------- 
 
c. Litmus is extracted from ------------------- 
 
d. A ------------ image cannot be formed on a screen. 
 
e. The ------------ forms the seed. 
 
f. Cyclones are called ------------- in North America. 
 
2. Choose the correct answer
 
a. The magnetic effect of a current was first observed by ---------------
 
(a) Faraday                         (b) H.C.Oersted            (c) Ohm                         (d)Joule
 
b. During exhalation, the ribs ------------
 
(a) Moves outwards             (b) moves upwards        (c) moves downwards     (d) do not move
 
c. Which of the following is not a variety of silk?
 
(a). Tassar                          (b). Mooga                    (c). Ruby                       (d). Kosa
 
d. Which of the following can form a real image?
 
(a) Plane mirror                   (b) concave lens           (c) concave mirror           (d) convex mirror
 
e. The rhythmic contraction and relaxation of the heart is called -------------
 
(a) Pulse                             (b) heart rate                (c) heart beat                 (d) pulse rate
 
f. Calcium hydroxide is also called -------------
 
(a) Slaked lime                    (b) quick lime                (c) milk of magnesia        (d) none of these
 
3. State TRUE or FALSE
 
a. In cockroaches, air enters the body through spiracles. 
 
b. Any polished or a shining surface acts as a mirror. 
 
c. Milk of Magnesia turns blue litmus red. 
 
d. In a battery the positive terminal of one cell is connected to the positive terminal of the next cell.
 
e. Bile secreted by the liver mainly helps in the breakdown of fats.
 
4. Give ONE word for the following
 
a. The bacterium which causes Sorter’s disease. 
 
b. The fleshy muscular organ in the mouth. 
 
c. A lens that is thicker at the center than at the edges. 
 
d. Substances that change colour in the presence of an acid or a base. 
 
e. The process of fusion of male and female gametes. 
 
f. The process by which water is lost from the stomata of leaves. 
 
g. The centre of a Cyclone. 
 
SECTION B
 
 
5. Why does the breathing rate of an athlete increase during a heavy exercise? 
 
6. State the principle behind the formation of shadows. 
 
7. What happens when there are no platelets in the blood? 
 
8. How can we differentiate natural silk from artificial silk? 
 
 
9. Digestion does not occur in the large intestine, yet its role is important. Justify 
 
10. Toothpaste is usually basic in nature. Give reason. 
 
11. How is transpiration useful to plant.(any one point) 
 
12. Two Pendulums A and B each have a length of 15cm. The bob of pendulum A weighs 20g and that of B weighs 22g. Which pendulum will have greater time period? Give reason. 
 
13. Anju was given a large plane mirror and Meera was given a small plane mirror by their Lab teacher. They were asked to compare the image size of the same object formed by the two mirrors. What will they conclude about the size of the image?
 
14. Wire X has lower melting point than wire Y. Which wire would you use to make a fuse. Give reason. 
 
15. What parts of a flower changes into a fruit and seed? 
 
16. Why does a yellow curry stain on a white shirt turn red when it is washed with soap? 
 
17. How are wind currents generated?
 
18. Classify a flower on the basis of their reproductive parts. 
 
19. What are neutral solutions? 


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