11
Why do cats and dog’s eye glow at night?
A.
B.
C.
D.
Answer & Solution
Solution:

The glowing effect is due to the tapetum lucidum, a layer of cells in their eyes that reflects light, enhancing their night vision.

12
Which animal defends itself by changing its color?
A.
B.
C.
D.
Answer & Solution
Solution:

Chameleons are famous for their ability to change color for camouflage, communication, or temperature regulation.

13
Which animal can’t make sound?
A.
B.
C.
D.
Answer & Solution
Solution:

Giraffes are one of the few animals that are silent and do not make vocal sounds.

14
Who is called a natural plow or farmer's friend?
A.
B.
C.
D.
Answer & Solution
Solution:

Earthworms are often referred to as "farmer's friends" because they aerate the soil, improving its fertility and structure.

15
Earthworms breathe with the help of ___________ .
A.
B.
C.
D.
Answer & Solution
Solution:

Earthworms absorb oxygen and release carbon dioxide through their moist skin.

16
Which insect can carry about fifty times its own weight?
A.
B.
C.
D.
Answer & Solution
Solution:

Ants are known for their incredible strength, being able to carry objects many times heavier than their body weight.

17
Pearls are the result of oyster’s __________ .
A.
B.
C.
D.
Answer & Solution
Solution:

Pearls form when an oyster or mollusk secretes layers of nacre around an irritant, such as a grain of sand, which causes inflammation.

18
Which of the following listens with the help of the tongue?
A.
B.
C.
D.
Answer & Solution
Solution:

Snakes use their tongue to "taste" or detect chemicals in the air, which helps them "hear" or sense their environment.

19
What type of wound is caused by a venomous snakebite?
A.
B.
C.
D.
Answer & Solution
Solution:

A venomous snake typically leaves two puncture marks from its fangs when it bites.

20
What is the pigment of shrimp blood?
A.
B.
C.
D.
Answer & Solution
Solution:

Shrimp blood is white due to the absence of hemoglobin. Instead, it contains hemolymph, which is clear or white.