1. In an open circulatory system,
a) There is no heart
b) There is no need of blood vessels
c) There are open spaces or sinuses in the body
d) All the above
Explanation: There are open spaces or sinuses in the body
2. Which of the following has a closed type of circulatory system?
a) Cockroach
b) Fish
c) Scorpion
d) Mollusc
Explanation: Fish has a closed type of circulatory system
3. Which of the following has a closed blood vascular system?
a) Cockroach
b) Hydra
c) Sponge
d) Earthworm
Explanation: Earthworm has a closed blood vascular system
4. Single heart circuit occurs in
a) Fishes
b) Frogs
c) Reptiles
d) Man
Explanation: Fishes
5. Four chambered heart is found in
a)Cobra
b) Tortoise
c) Salamander
d) Crocodile
Explanation: Four chambered heart is found in crocodile.
6. Select the correct matching:
Column I Column II
(A) Fishes (i) 3 chambered
(B) Amphibian (ii) 4 chambered
(C) Reptiles (iii) 1 chambered
(D) Birds (iv) 2 chambered
(E) Mammals
(F) Crocodile
a) (A), (B)–(iii)
b) (B), (C)–(i)
c) (D), (E), (F)–(iv)
d) (A), (B), (C)–(ii)
Explanation: (B), (C)–(i)
7. Incomplete double circulation is found in
a) Amphibia
b) Reptiles
c) Fishes
d) Both (a) and (b)
Explanation: Both (a) and (b)
8.

The given diagram represent circulation in
a) Fishes
b) Amphibians
c) Birds
d) Reptiles
Explanation: Fishes
9.

The given diagram shows circulation found in
a) Amphibian
b) Reptiles
c) Both (a) and (b)
d) Birds
Explanation: Both (a) and (b)
10. Double circulation is found in
a) Birds
b) Crocodile
c) Mammals
d) All of these
Explanation: All of these