36. Fishes are known for their streamlined body shape, which is beneficial for:
a) Efficient swimming
b) Camouflage
c) Protection
d) None of the above
37. Which of the following is not a mollusk defense mechanism?
a) Ink release
b) Camouflage
c) Venomous tentacles
d) Suction cups
38. Fishes have a specialized sense organ called the lateral line, which helps them to detect:
a) Smells
b) Sound
c) Light
d) Balance
39. By counting the number of growth rings on their scales or otoliths, scientists can determine the:
a) Age of a fish
b) Species of a fish
c) Diet of a fish
d) Mating season of a fish
40. Which of the following is a characteristic feature of mollusks?
a) Jointed appendages
b) Segmented body
c) Chitinous exoskeleton
d) Soft body with a muscular foot
