Question

Match the entries of Column 1 with those of Column 2.

Column 1	Column 2
Toad	Aves
Rohu	Reptiles
Ostrich	Amphibian
Rodents	Pisces
Tortoise	Mammal

Answer 1

(A) Toad (III) Amphibian

1. Toads and frogs are both amphibians.
2. They are distinguished from most frogs by their dry skin, warts, crests behind the eyes, and parotid glands.
3. The toad's parotid glands emit a toxic chemical that aids in predator defence.

(B) Rohu (IV) Pisces

1. Mandarin fish, rohu, and dogfish are examples of aquatic organisms.
2. They are cold-blooded and have streamlined bodies.
3. They belong to the phylum Chordata and the class Pisces.

(C) Ostrich (I) Aves

1. Ostriches are classified as Aves because they share many of the same traits as other Aves members.
2. The ostrich is a flightless member of the ratites family of birds.

(D) Rodents (V) Mammals

1. The largest mammalian order is Rodentia.
2. Rodents make up the majority of non-flying mammals, with roughly 1,500 species (out of about 4,000 total living mammals).
3. Mice, rats, hamsters, and guinea pigs are all common pet animals.

(E) Tortoise (II) Reptiles

1. Tortoises are reptiles rather than genuine amphibians.
2. The bodies of true amphibians lack protective shells.

Column 1	Column 2
A. Toad	(III) Amphibian
B. Rohu	(IV) Pisces
C. Ostrich	(I) Aves
D. Rodents	(V) Mammals
E. Tortoise	(II) Reptiles