Question

Which of the following animals has/have four-chambered heart?


(a)




(b) (c)

• A.
  (a) and (b) only
• B.
  (a), (b) and (c)
• C.
  (b) and (c) only
• D.
  (a) only

Answer 1

The correct option is D

(a) only
In the question, figure (a) depicts a parrot that belongs to class Aves and has a four-chambered heart. Figure (b) depicts a frog that belongs to class Amphibia and has a three-chambered heart. Figure (c) depicts a flying lizard that belongs to class Reptilia and has a three-chambered heart.