Question

Match column I and column II.

	Column-I		Column-II
a.	Economically harmful gregarious arthropod	(i)	Buthus
b.	Radially symmetrical echinoderm	(ii)	Ophiura
c.	Chitinous exoskeleton and book lungs	(iii)	Locusta
d.	Ciliated comb plates	(iv)	Pleurobrachia

Choose the correct option.

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

Answer 1

The correct option is A a - iii, b - ii, c - i, d - iv

Pleurobrachia is a ctenophore. Buthus is an arthropod.
Ophiura is an echinoderm.