Animal Kingdom Question 353
Question: Assertion : Casting of covering occurs in Palaemon. Reason : Casting helps in excretion.
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: A
Solution:
When the non-living chitinous covering or integument is cast off at each moult, the nitrogenous products secreted by body and deposited on the integument are also expelled.
Thus integument (covering) is believed to be an excertory organ.