Free Animal Kingdom (Daily Quiz: 8) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

The scales found in Chondrichthyes is/are

(a) Cycloid

(b) Placoid

(c) Ctenoid

(d) All of these

Question-2

Aristotle's lantern occurs in Class

(a) Holothuroidea

(b) Echinoidea

(c) Asteroidea

(d) Ophiuroidea.

Question-3

Few cnidarians like corals have a skeleton composed of __________.

(a) calcium sulphate

(b) calcium hydroxide

(c) calcium carbonate

(d) sodium bicarbonate

Question-4

Water vascular system helps in

(a) Capture and transport of food

(b) Locomotion

(c) Respiration

(d) All of these

Question-5

Which of the following represents the correct combination without any exception? Characteristics Class

(a) Sucking and circular mouth; jaws absent, integument without scales; paired appendages-Cyclostomata

(b) Mouth ventral, gills without operculum; skin with placoid scales; persistent notochord-Chondrichthyes

(c) Body covered with feathers; skin moist and glandular; fore-limbs form wings; lungs with air sacs- Aves

(d) Mammary gland; hair on body; pinnae; two pairs of Limbs - Mammalia.