16. What animal product is used to make shellac, a common wood finish?
a) Crushed beetle shells
b) Fish scales
c) Cow bone
d) Sheep wool
Answer: a) Crushed beetle shells
17. Which animal product is commonly used to make violin bows?
a) Horsehair
b) Bobcat fur
c) Rabbit fur
d) Muskrat fur
Answer: a) Horsehair
18. What animal product is used to make traditional Indian brass jewelry?
a) Camel bone
b) Elephant ivory
c) Cow horn
d) Buffalo horn
Answer: d) Buffalo horn
19. Which animal product is used to make fertilizer, soap, and explosives?
a) Animal fats
b) Bat guano
c) Shark liver oil
d) Snake venom
Answer: b) Bat guano
20. What animal product is commonly used to make tennis balls?
a) Synthetic rubber
b) Goat hair
c) Kangaroo leather
d) Cow intestinal lining
Answer: d) Cow intestinal lining