CBSE Board Class 10 Biology Sample Papers 2010

SAMPLE PAPER 2010
CBSE Class X: Biology


1.What is function of anal sphincter ?

2.What is the composition of bile juice ?

3.Why does the walls of trachea do not collapse ?

4.Why is carbon dioxide transported in the dissolved form in our blood ?

5.What are the functions of plasma ?

6.Which part of the brain controls vomiting ?

7.Name a plant hormone which helps in wilting of leaves ?

8.Why is it advised to have iodised salt in our diet ?

9.What is feed back mechanism ?

10.How does the pathogen of Kala azar reproduce?

11.What is germination ?

12.Define puberty ?

13.Why does breasts mature in size in females?

14.What is the function of tail in the sperm ?

15.How does child birth takes place ?

16.What is a condom ?

17.What are the functions of sepals and carpel in a flower ?

18.What is genetic drift ?

19.Explain the importance of fossils in deciding evolutionary relationships ?

20.How are evolution and classification interlinked ?

21.How did the ‘Chipko andolan’ ultimately benefit the local population ? Give any two benefits.

22.Plant absorbs the water from the soil . How does this water reach thetree tops. Explain in detail

23.Explain the process of speciation.

24.What are the functions of food that we eat?

25. Draw a neat diagram to show germination ?

26. Explain double fertilization in plants ?

27. Describe the role of AK Banerjee in the forest range of Midanpore district ?

28. Discuss three main problems associated with the construction of dams ?

29. Who are the stake holders of forests ? Discuss ?

30. What is a food web ? Draw a food web of 7 food chains ?