Q5 of 11 Page 115

i) Identify part A and part B.

ii) How does part A differ from part B?


A. wings of birds

B. wings of bats


i) The diagram is labelled as:




ii) The wings of birds and bats are analogous structures that mean they have same functions and different origin i.e. separate evolutionary origin. These structural changes are result of convergent evolution.


More from this chapter

All 11 →
3

Choose the correct answer:

i) Assertion: The image falls on Fovea


ii) Reasoning: Because of refraction of light by vitreous humors


a. A is correct B is wrong


b. B is correct A is wrong


c. B explains A


d. A explains B.

 4

Complete the table by filling the functions.

 6

Our kidneys help our body to lead a healthy life - How?

 7

Can you name and describe the muscle which is present only in our heart and works throughout our life?