NEET Biology Animal Kingdom Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Question & Answer Discuss:

Which one of the following statements about all the four of Spongilla, Leech, Dolphin and Penguin is correct?

(a) Leech is a fresh water form while all others are marine

(b) Penguin is homeothermic while the remaining three are Poikilothermic

(c) Spongilla has special collared cells called choanocytes, not found in the remaining three

(d) All are bilaterally symmetrical