1. Dicondylic skull along with ten pairs of cranial nerves is found in
- Mammalia
- Amphibia
- Reptilia
- Pisces
Answer: Amphibia
2. In amphibians, Organ of Jacobson is for
- temperature
- pressure
- smell
- sound
Answer: smell
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3. This is not a true amphibian animal
- Toad
- Salamander
- Tortoise
- Frog
Answer: Tortoise
4. Dicondylic skull along with ten pairs of cranial nerves is found in
- Reptilia
- Amphibia
- Mammalia
- Pisces
Answer: Amphibia
5. The body temperature of a frog is 20 degrees celsius in an environment having a temperature of 30 degrees celsius. The temperature of the frog in the new environment is
- 25 degrees celsius
- 30 degrees celsius
- 20 degrees celsius
- between 20-30 degrees celsius
Answer: 30 degrees celsius
6. Frogs dwell in water or in the vicinity of water as
- it respires through the skin
- its hindlimbs are webbed, facilitating to swim
- it can see through its transparent eyelids whilst swimming
- water is a good source for food
Answer: it respires through the skin
7. A frog has
- jaws but no teeth
- eyes but no lids
- ears but no pinnae
- hands but no fingers
Answer: ears but no pinnae
8. Even after attaining sexual maturity, larval characters are retained. It is known as
- Phylogenesis
- Neoteny
- Parthenogenesis
- Ontogenesis
Answer: Neoteny
9. In amphibians, Organ of Jacobson is for
- sound
- pressure
- smell
- temperature
Answer: smell
10. Even after attaining sexual maturity, larval characters are retained. It is known as
- Ontogenesis
- Neoteny
- Parthenogenesis
- Phylogenesis
Answer: Neoteny
11. Frogs dwell in water or in the vicinity of water as
- it respires through the skin
- it can see through its transparent eyelids whilst swimming
- its hindlimbs are webbed, facilitating to swim
- water is a good source for food
Answer: it respires through the skin
12. A frog has
- jaws but no teeth
- eyes but no lids
- ears but no pinnae
- hands but no fingers
Answer: ears but no pinnae
13. This is not a true amphibian animal
- Toad
- Frog
- Tortoise
- Salamander
Answer: Tortoise
14. The differentiating factor of the venous system of frog and rabbit is in the presence of this
- hepatic vein
- renal portal system
- three vena cavae
- hepatic portal system
Answer: renal portal system
15. The body temperature of a frog is 20 degrees celsius in an environment having a temperature of 30 degrees celsius. The temperature of the frog in the new environment is
- 25 degrees celsius
- 20 degrees celsius
- 30 degrees celsius
- between 20-30 degrees celsius
Answer: 30 degrees celsius
16. Neck is not found in a frog. This absence helps the frog to
- jump on ground
- respire
- catch prey
- swim in water
Answer: jump on ground
17. The differentiating factor of the venous system of frog and rabbit is in the presence of this
- hepatic vein
- three vena cavae
- renal portal system
- hepatic portal system
Answer: renal portal system
18. Neck is not found in a frog. This absence helps the frog to
- swim in water
- respire
- catch prey
- jump on ground
Answer: jump on ground
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