A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
Statocysts are a pair of small, white, bead-like structures. A small statocystic branch of antennular nerve supplies the statocyst. Statocysts perceive the direction of the force of gravity and function as the organs of orientation and equilibrium. Stimulated setae present in statocyst convey the information to brain through nerves, so that the animal corrects its position.
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