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

Which one of the following is the true description about an animal concerned?

a)

Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine

b)

Frog – Body is divisible into three regions : head, neck and trund

c)

Rat – Left kidney is slightly higher in position than the right one

d)

Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)


Question ID - 358 :-

Which one of the following is the true description about an animal concerned?

a)

Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine

b)

Frog – Body is divisible into three regions : head, neck and trund

c)

Rat – Left kidney is slightly higher in position than the right one

d)

Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

The respiratory system of cockroach consists of tracheae, tracheoles and spiracles. In cockroach, 10 pairs of spiracles are present on the lateral side of the body. Two pairs are in thoracic region and remaining eight pairs are in the abdominal region.



Next Question :

How many hearts are found in earthworm?

a)

8 (four pairs)

b)

2 (one pair)

c)

6 (three pairs)

d)

12 (six pairs)


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