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: A
Solution :
Sea stars have great power of regeneration. Whenever an arm is held, injured or unduly stimulated, the sea star readily breaks of its own arm. This process is termed as autotomy. Autotomy serves as a means of protection to the animal. Whenever caught, it may throw of one or more arms and make good its escape. It is also method of getting rid of injured body parts and replacing them with perfect ones.
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