Question

25
Which of the following group of three animals is correctly matched with their morphological
feature?
(A) Animals Centipede, prawn, butterfly, Morphological features - Metamerism, tracheal
systme,
(B) Animals - Filarial worm, hook worm, silk worm, Morphological features - Pseudocoelom,
sexual dimorphism,
>
5
(C) Animals - Sea horse, sting ray, dog fish, Morphological features Pharyngeal gills, two
chambered heart,
(D) Animals Flying fox, flying squirrel, Flying dragon, Morphological features-
Homoiothermous, viviparous,
5
A
6!
20​

Answer 1

Answer:

Class chondrocytes (cartilaginous fish) -

Marine and predaceous. Mouth is located ventrally and teeth are modified, placoid scales directed backwardly. Air bladder is absent.

- wherein

Eg. Torpedo, Scoliodon, Pristis, Petromyzon.

All Chondrichthyes posses cartilaginous exoskeleton without any exception

Option 1)

Reptilia: possess 3 - chambered heart with one incompletely divided ventricle

Incorrect

Option 2)

Chordata: possess a mouth provided with an upper and lower jaw

Incorrect

Answer 2

Answer:

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