Question

Match the following:

$\begin{array}{cc}\text{Column A}& \text{Column B}\\ \left(a\right)\text{Planaria}& \left(i\right)\text{Ommatidia}\\ \left(b\right)\text{Snake}& \left(ii\right)\text{Eye spot}\\ \left(c\right)\text{Housefly}& \left(iii\right)\text{Lateral line}\\ \left(d\right)\text{Shark}& \left(iv\right)\text{Jacobson's organ}\end{array}$

• A. a - i, b - ii, c - iii, d - iv
• B. a - ii, b - iv, c - i, d - iii
• C. a - ii, b - i, c - iii, d - iv
• D. a - ii, b - iv, c - ii, d - i​

Answer 1

The correct option is B

a - ii, b - iv, c - i, d - iii

The compound eyes present in insects, crustaceans and millipedes are made up of ommatidia. Eyespots, found in planarian species, help to detect the intensity of light. The lateral line is used to sense tiny vibrations in the water by fish and sharks. Jacobson’s organ is an olfactory sense organ that is found in all snakes and lizards, mammals such as mice, rats, pigs etc.