Question

20. Which of the following statement is correct?
(a) Platypus lays eggs
(b) Camels have biconcave RBCs
(c) Whales respire by gills
(d) Bats do not fly

Answer 1

Answer:

So the correct answer is 'Platypus lay eggs'.

Answer 2

(a) Platypus lays eggs is the correct statement.

Explanation:

• Platypus is also called as Duckbill that lives both in water and on land. It is a mammal which lay eggs.
• Camels are mammals that live in desert areas. Red Blood Cells of Camels are oval in shape. This shape help Camels for circulation of thick blood and can help to expand during dehydration.
• Whales are mammals that live in marine water. They don't have gills. Instead they have lungs and nostrils for respiration.
• Bats are mammals. They have wings that helps to fly. Bats are the only mammals that can fly.
• Hence Option (a) is the correct statement.