26. Which of the following amphibians is predominantly nocturnal?
a) Salamanders
b) Toads
c) Frogs
d) Caecilians
Answer: c) Frogs
27. What is the function of the lungs in amphibians?
a) To remove waste products
b) To excrete toxins
c) To absorb moisture
d) To facilitate respiration
Answer: d) To facilitate respiration
28. Which amphibian has a unique defense mechanism of puffing up its body to deter predators?
a) Axolotl
b) Fire-bellied toad
c) Salamander
d) Pacific giant salamander
Answer: b) Fire-bellied toad
29. Which is the longest-lived amphibian species?
a) Salamanders
b) Newts
c) Frogs
d) Tadpoles
Answer: a) Salamanders
30. How many chambers does the heart of an amphibian have?
a) One
b) Two
c) Three
d) Four
Answer: c) Three
