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

Which of the following is true of Aves?

a)

They are poikilotherms and have a three chambered heart

b)

Tiny pebbles eaten by some birds and are used in crushing                                                                                                                                                                                                                                         

c)

They have 10 pairs of cranial nerves

d)

All of the above


Question ID - 330 :-

Which of the following is true of Aves?

a)

They are poikilotherms and have a three chambered heart

b)

Tiny pebbles eaten by some birds and are used in crushing                                                                                                                                                                                                                                         

c)

They have 10 pairs of cranial nerves

d)

All of the above

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Aves have two additional chambers to the alimentary canal: the crop and the gizzard. Birds eat tiny pebbles that lodge in the gizzard and help the muscular gizzard in crushing food. Birds have 12 pairs of cranial nerves



Next Question :

Which one of the following has a biradial symmetry?

a)

Paramecium

b)

Jellyfish

c)

Cockroach

d)

Sea anemone


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