In leech locomotion is performed by

(a)

Anterior sucker

(b)

Parapodia

(c)

Setae

(d)

Contraction and relaxation of muscles

The segments of leech are known as

(a)

Metameres (somites)

(b)

Proglottids

(c)

Strobila

(d)

All the above

The body of leech has

(a)

23 segments

(b)

33 segments

(c)

38 segments

(d)

30 segments

Mammals are ______________ animals.

(a)

Cold blooded

(b)

Warm blooded

(c)

Poikilothermic

(d)

All the above

The animals which give birth to young ones are

(a)

Oviparous

(b)

Viviparous

(c)

Ovoviviparous

(d)

All the above