MPSC PYQScienceप्राणिशास्त्रenglish
Consider the following statement about the phylum Porifera and choose the correct option. (a) All types of sponges belong to this group. (b) They have openings on the body called ostiums while larger openings on the top are called osculums. (c) Osculum acts like mouth while ostium acts like anus.
A.Only (a) and (c) are correct
B.Only (b) and (c) are correct
C.Only (a) and (b) are correct
D.(a), (b) and (c) are all correct
Correct answer: C