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 :
Amphioxus is devoid of heart, head, kidneys and paired limbs. Paired sense organs are absent here receptors are of primitive types. A complete notochord is persistant with no vertebral column. These show that it is has a simple organization compared to vertebrates because many important craniate structures are lacking in it. But it is definitely a simple chordate having a large number of primitive characters such as a notochord, dorsal hollow nerve cord, and gill clefts.
You need to login to perform this action.
You will be redirected in
3 sec
