Question

Give an example of the following
a. Round worm
b. Fish possessing poison sting
c. A limbless reptile/ amphibian
d. An oviparous mammal


NCERT Class XI
Biology - Exemplar Problems

Chapter 4. Animal Kingdom

Answer 1

a) Ascaris

b) Stonefish

c) Snake ( reptile) and gymnophonia ( amphibia)

d)  Duck-billed platypus.

Answer 2

Explanation:

Round is a common name for the phylum Nematoda which include many parasitic worms for example Trichinella spiralis also called as pork worm.

Stone fish is kind of a fish which looks like a stone but it have a very dangerous sting as well.

Caecilians are the amphibians which do not have the limbs/ Snakes are the reptiles which do not have the limbs

Duck billed platypus.