Single Choice

Match the following columns and select the correct option. Column-I Column-II (a) Gregarious, polyphagous pest (i) Asterias (b) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion (c) Book lungs (iii) Ctenoplana (d) Bioluminescence (iv) Locusta

A(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
Correct Answer
B(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)
C(a) - (ii), (b) - (i), (c) - (iii), (d) - (iv)
D(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)

Solution

Asterias - Basically, sea stars having radially symmetrical bodies and larva with the bilateral symmetrical body.
Scorpion - They have book lungs.
Ctenoplana - is part of a phylum of animals known as Ctenophora. They are known as see walnuts or comb jellies. They are bio-luminescence in nature.
Locusta - Locusts differ from other grasshoppers in their ability to change from a solitary living form into gregarious, highly mobile, adult swarms. They are polyphagous and feed on leaves, shoots, flowers, fruit, seeds, stems, etc.
Thus, the correct answer is (A).

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