The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?

(a)

Segments 13 - 14

(b)

Segments 14 - 17

(c)

Segments 12 - 13

(d)

Segments 14 - 16

The head region of Cockroach _______ pairs of _____ and shaped eyes occur.

(a)

One pair, sessile compound and kidney shaped

(b)

Two pairs, stalked compound and round shaped

(c)

Many pairs, sessile simple and kidney shaped

(d)

Many pairs, stalked compound and kidney shaped

Kidney of frog is _____.

(a)

Archinephros

(b)

Pronephros

(c)

Mesonephros

(d)

Metanephros

Choose the wrong statement among the following :

(a)

In earthworm, a single male genital pore is present.

(b)

Setae help in locomotion of earthworms.

(c)

Muscular layer in the body wall of earthworm is made up of circular muscles only

(d)

Typhlosole is part of the intestine of earthworm

The number of hepatic caecae in a cockroach is __________

(a)

6

(b)

8

(c)

10

(d)

12

Identify the feature of frog which is absent in human beings

(a)

Aorta is present.

(b)

Circulatory system is closed type.

(c)

Sinus venosus is a triangular chamber present in the heart.

(d)

Blood contains RBC.

In earthworm the female genital aperture lies on the ventral side in the ___________ segment.

(a)

15th

(b)

14th

(c)

10th

(d)

12th

In cockroach the elytra arises from ______________

(a)

prothorax

(b)

mesothorax

(c)

metathorax

(d)

labium

In the mouth parts of cockroach _____________ helps in grinding of food.

(a)

maxilla

(b)

labium

(c)

mandible

(d)

labrum

State whether the statement is true or false
To sustain themselves, earthworms must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies.The two ends of the earthworm can equally ingest soil.

(a)

True

(b)

False