Question

Four students P, Q, R and S differently reported the following set of organs to be analogous:

P. Forelimb of a frog and forelimb of a lizard
Q. Forelimb of a bird and forelimb of a human
R. Wings of a parrot and wings of a butterfly
S. Wings of a bird and wings of a bat

The two students who have reported correctly are:

• A. P and Q
• B. Q and R
• C. R and S
• D. P and S

Answer 1

The correct option is C

R and S

Organs that are different in origin but similar in function are known as analogous organs.
Examples of analogous organs are:
(i) Wings of a parrot and wings of a butterfly
(ii) Wings of a bird and wings of a bat
Thus, the two students who have reported correctly are R and S.

Hence, the correct option is C