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Worksheets

grade 4 , con 2

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Sending smelly messages when there is a shortage of food is the role of

a)

queen ants.

b)

nurse ants.

c)

scout ants.

d)

soldier ants.

2.

Locating food is the role of

a)

queen ants.

b)

nurse ants.

c)

scout ants.

d)

soldier ants.

3.

Alarming the colony from dangers is the role of

a)

queen ants.

b)

nurse ants.

c)

scout ants.

d)

soldier ants.

4.

Humpback whales sing during is the ....... Months which is the mating season.

a)

winter

b)

summer

c)

spring

d)

autumn

5.

Sense organs collect information and send signals to......... . for processing and understanding

a)

hands

b)

legs

c)

brain

d)

stomach

6.

Your sensation of hot weather depends on sensory receptors in the....

a)

eyes.

b)

nose

c)

ears.

d)

skin.

7.

Recognizing thunder and lightning depends on the senses of

a)

hearing and sight.

b)

sight and smell.

c)

hearing and touch.

d)

hearing and taste.

8.

Closing your eyes quickly when strong light rays fall on them suddenly represents

a)

inhalation.

b)

reflex.

c)

countershading.

d)

camouflage.

9.

The nervous system gather information from the environment through........ then process the by ......

a)

brain-nerves.

b)

nerves-sensory organs.

c)

sensory organs - brain.

d)

spinal cord-brain.

10.

The owl's large eyes and bowl-shaped face are considered as

a)

only structural

b)

only behavioural

c)

both structural and behavioral

d)

neither structural nor behavioral

11.

Flying bats don't hit different objects at night because they can

a)

see them clearly in darkness.

b)

touch them.

c)

smell them.

d)

hear the echo reflected from them.

12.

Some animals become active during the night due to the following reasons, except that

a)

the night is characterized by the cool weather.

b)

the night is a good time for relaxation and rest.

c)

the night is quiet, so that they can hear preys.

d)

the night is a time when preys are available.

13.

Both bats and mosquitoes are active during night. Which of the following statements is correct?

a)

Both can swim well.

b)

Both can run fast.

c)

Mosquitoes prey on bats.

d)

Bats prey on mosquitoes.

14.

The sensory organs of a dolphin help it do all of the following, except

a)

surviving.

b)

finding food.

c)

finding water.

d)

protecting itself under water.

15.

If there is some salt in a dish and some sugar in another dish, you can distinguish between them through the sense of

a)

smell.

b)

taste.

c)

touch.

d)

hearing

16.

The five senses of humans and animals are.......

a)

sight, hearing, touch, smell, and movement.

b)

sight, movement, taste, touch, and smell.

c)

taste, touch, movement, hearing, and smell.

d)

sight, hearing, taste, smell, and touch.

17.

Echo helps bats and dolphins to locate of their preys.

a)

the location

b)

the color

c)

the smell

d)

the taste

18.

Dolphins depend on their sharp sense of to get food.

a)

sight

b)

taste

c)

smell

d)

hearing

19.

Since organs can decode the information that is sent by the brain

a)

True

b)

False

20.

Bats can fly without hitting walls because they can......

a)

Hear the echo reflected from them

b)

Touch them

c)

See them clearly

d)

Smell them