Amphibians

1. What is it called when an organism retains larval characteristics even after reaching sexual maturity?

  1. Metamorphosis
  2. Neoteny
  3. Adaptation
  4. Evolution
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Answer: Option B. Neoteny

2. In which animals does the skin function as a respiratory organ?

  1. Frogs
  2. Turtles
  3. Fish
  4. Birds
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Answer: Option A. Frogs

3. Which of the following characteristics are found in amphibians?

  1. They have dry, scaly skin
  2. They typically undergo metamorphosis
  3. They exclusively live in saltwater
  4. They have feathers for insulation
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Answer: Option B. They typically undergo metamorphosis

4. What is a true characteristic of frogs?

  1. They have eyes but no eyelids
  2. They have fur covering their body
  3. They lay eggs on land only
  4. They have ears but no pinnae
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Answer: Option D. They have ears but no pinnae

5. Dicondylic skull with ten pairs of cranial nerves is found in which animal?

  1. Humans
  2. Reptiles
  3. Amphibians
  4. Mammals
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Answer: Option C. Amphibians