grade 4 , con 3 , lesson 1

Which of the following organs are working together for seeing different objects ?

• Nose and brain.

• Eyes and brain.

• Ears and brain.

• Tongue and brain.

The pupils of human eyes open..........that of nocturnal animals

• typical to

• smaller

• wider than

• sharper

The .................... eye pupils of fishing cat, allows amount of light to enter its eyes than those of human eyes.

• little

• large

• very small

• small

Nocturnal animals depend on all the following senses to find out their preys at night, except

• sight sense.

• hearing sense.

• taste sense.

• smelling sense.

The mirror-like membrane of the fishing cat is present.

• at the back of the brain.

• at the back of the eye.

• inside the stomach.

• inside the lungs.

Which of the following do not need a big amount of light to see in the dark ?

• Both humans and cats.

• Neither humans nor cats.

• Cats only.

• Humans only.

To detect the place of a table in a completely dark room, you can depend on

• sight sense.

• touch sense.

• taste sense.

• hearing sense.

If someone walking in a dark place without hitting anything around him, so this person may........

• have a big ability to taste.

• have a big ability to breathe.

• have a big ability to smell.

• wear a night vision goggles.

The character that helps the fishing cat to hunt a prey at night, is its

• of poor night vision.

• of excellent night vision.