SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

The cross-section of the body of an invertebrate is given below. Identify the animal, which has this body plan.

 

a)

Cockroach

b)

Roundworm

c)

Planaria

d)

Earthworm


Question ID - 320 :-

The cross-section of the body of an invertebrate is given below. Identify the animal, which has this body plan.

 

a)

Cockroach

b)

Roundworm

c)

Planaria

d)

Earthworm

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

The given cross-section is of Planaria (acoelomate), a flatworm. Flatworms are devoid of cavities in between the alimentary canal and body wall, hence are acoelomate.



Next Question :

In earthworm, the characteristic internal median fold of dorsal wall of the intestine called typhlosole is present in

a)

5 to 9 segments

b)

9 to 14 segments

c)

26 to 35 segments

d)

15 to last segment


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