Animal Kingdom Question 118
118. Which of the following represents the correct combination without any exception?
[2015 RS]
| Characteristics | Class | |
|---|---|---|
| (a) | Mouth ventral, gills without operculum; skin with placoid scales; persistent notochord |
Chondrichthyes |
| (b) | Sucking and circular mouth; jaws absent, integument without scales; paired appendages |
Cyclostomata |
| (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 |
Show Answer
Answer : a
Hints & Solutions
(a) (i) Aves possess dry skin, without glands except oil gland near the base of tail.
(ii) Pinnae are not found in aquatic animals and egg laying mammals.
(iii) In cyclostomes, unpaired appendages (joints) are found.
