CBSE NCERT Class 10 Science
(Practice Paper / Guess Paper)
Formative Assessment - III (FA-3) (CCE pattern)
Time: 1 ½ Hours
M.M.: 40
Instructions
1. Attempt all questions are compulsory.
2. Marks of each question are indicated against it.
1. Write the name of male reproductive parts of a flower. [1]
2. What is the function of a gene? [1]
3. Who proposed the theory of Natural Selection? [1]
4. What is the ‘Near Point’ of a normal human eye? [1]
5. Name two basic components of an ecosystem. [1]
6. What is Pollination? [2]
7. What are fossils? [2]
8. What is meant by power of accommodation of the eye? [2]
9. Write an aquatic food chain. [2]
10. Why is it necessary to conserve our environment? [2]
11. A person with a myopia eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision? [3]
12. How do Mendel’s experiments show that traits may be dominant or recessive? [3]
13. Explain various steps of budding in Yeast. [3]
14. How is the process of pollination different from fertilization? [3]
15. Describe with a neat diagram how near sightedness (myopia) can be corrected by using appropriate lenses. [3]
16. (a) Describe asexual reproduction in Amoeba.
(b) How does sexual reproduction in plants take place? [2½ + 2½ = 5]
17. (a) What are tropic levels? Give an example of a food chain and state the different tropic levels in it.
(b) What is a biological magnification? Will the levels of this magnification be different at different levels of the ecosystem? [2 + 3 = 5]
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