Q9. Match the following columns and select the correct option.

Column-I
a. Gregarious, polyphagous pest
b. Adult with radial symmetry and larva with bilateral symmetry
c. Book lungs
d. Bioluminescence

Column-II
i. Asterias
ii. Scorpion
iii. Ctenoplana
iv. Locusta

2. a (iv) b (i) c (ii) d (iii)

Solution:
a. Gregarious, polyphagous pest - Locusta
b. Adult with radial symmetry and larva with bilateral symmetry - Asterias
c. Book lungs - Scorpion
d. Bioluminescence - Ctenoplana