Eutherians are characterised by

1. Hairy skin

2. True placentation

3. Ovoviviparity

4. Glandular skin

Identify the chordates in which the notochord persists in the adult?

(1) Tunicates

(2) Lancelets

(3) Cyclostomata

(4) Bony fishes

The cervical vertebrae in humans are

1. Same as in whale

2. More than that in rabbit

3. Double than that of horse

4. Less than that in Giraffe

What is common in Whale, Rat and Bat?

Gorilla, Chimpanzee, Monkeys and Humans belong to the same

(1) Species

(2) Genus

(3) Family

(4) Order

What is a common trait of all mammals?

1. Carnivorous habit

2. Ventral nerve cord

3. Moulting

4. Seven cervical vertebrae

Closest primate relative of human beings is:

Unique feature of a mammalian body is the presence of

1. Four chambered heart

2. Muscular diaphragm

3. Homeothermy

4. Rib cage

Which one of the following characters is not typical of the class Mammalia?

(1) Thecodont dentition

(2) Alveolar lungs

(3) Ten pairs of cervical nerves

(4) Seven cervical vertebrae

They give birth to young ones