NEET UG 2022 — Animal Kingdom

Exoskeleton of arthropods is composed of:

In which of the following animals, digestive tract has additional chambers like crop and gizzard?

Select the Incorrect statements with respect to Cyclostomes: (a) They lack scales and paired fins. (b) They have circular mouth with Jaws. (c) They bear 6-15 pairs of gills. (d) They migrate to deep sea for spawning. Choose the most appropriate answer from the options given below:

Match List-I with List-II :  Choose the correct answer from the options given below:

Given below are two statements: one is labelled as Assertion and the other is labelled as Reason. Assertion: All vertebrates are chordates, but all chordates are not vertebrates. Reason: Notochord is replaced by a vertebral column in the adult vertebrates. In the light of the above statements, choose the most appropriate answer from the options given below: