Animal Kingdom Question 536

Question: Larva of ‘Culex’ floats on surface of water with its head

[AMU 1999]

Options:

A) Directed upwards

B) Directed downwards

C) Parallel to surface

D) Attached to surface of water

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Answer:

Correct Answer: B

Solution:

The larva is the Culex is a bottom feeder. It is relatively larger and lighter in color.

During the intake of air, the head hangs downwards at an angle of 45 degrees to the surface of the water.

Therefore, the correct answer is option B.