Animal Kingdom Question 562
Question: Assertion : Pedicellariae are minute structure found in echinoderms. Reason : Pedicellariae help in locomotion.
Options:
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
Show Answer
Answer:
Correct Answer: C
Solution:
Pedicellariae (stalked) of sea stars are minute, whitish, jaw like structures found on both the body surfaces, in association with spines.
It may be stalked or sessile.
They help in the capture and removal of debris and minute organism, such as larvae, which may settle on the body surface and interfere with respiration.
In some starfishes, the peidcellariale may help in capturing of small prey.
Locomotion occurs with the help of tube feet.
BETA
