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Worksheets

Grade 3

Total questions: 69

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

Which part of the nose filters the air that we breathe?

a)

Cilia/hair

b)

olfactory nerve

c)

brain

d)

nostrils

2.

What separates the nostrils?

a)

nasal cavity

b)

septum

c)

brain

d)

Olfactory nerve

3.

The two small openings of the nose

a)

Cilia

b)

snot

c)

brain

d)

nostrils

4.

This is produced when mucus dries up along with dust and dirt.

(a)  

5.

The (a)   connects the nostrils up to the thoat.

6.

When you breathe in air..it enters from the nostrils down to which organ?

a)

brain

b)

esophagus

c)

lungs

d)

trachea

7.

Which part of the nose contains receptors that notice the smell?

a)

brain

b)

nostril

c)

Olfactory Epithelium

d)

septum

8.

The (a)   is an organ that warms, moistens the air we breathe.

9.

Windpipe is generally known as (a)   .

10.

It is the middle top part of the nose.

a)

bridge

b)

cartilage

c)

apex

d)

nostrils

e)

septum

11.

It is the tip of the nose.

a)

bridge

b)

cartilages

c)

apex

d)

nostrils

e)

septum

12.

These membranes produce mucus that warms and moistens the air you breathe in.

a)

cilia

b)

mucus

c)

mucous membrane

d)

nasal cavity

e)

olfactory nerves

13.

This is the common ailment of the nose when the blood vessels in the nasal cavity are broken.

a)

common cold

b)

allergy

c)

nose bleeding

d)

allergic rhinitis

14.

This is the common ailment of the nose when there is an inflammation of the nasal cavity.

a)

common cold

b)

allergy

c)

nose bleeding

d)

allergic rhinitis

15.

Help detect taste and bring signals to the brain

a)

taste buds

b)

nerve cells

c)

tongue

16.

Help taste the food

a)

taste buds

b)

nerve cells

c)

tongue

17.

sense organ helps us taste the food we eat.

a)

taste buds

b)

tongue

c)

skin

18.

Sense organ that help us feel the pain and pressure caused by objects.

a)

skin

b)

dermis

c)

tongue

d)

hands

19.

The outer layer of the skin.

a)

dermis

b)

epidermis

c)

pores

20.

Openings where perspiration or sweat comes out.

a)

dermis

b)

epidermis

c)

pores

21.

Thicker layer of the skin

a)

dermis

b)

epidermis

c)

pores

22.

Our tongue have tiny bumps found in its surface.

a)

True

b)

False

23.

Tongue is use for eat only.

a)

True

b)

False

24.

In which layer do you find the sweat glands?

a)

subcutaneous

b)

dermis

c)

epidermis

25.

The bottom layer of skin is called the _______layer.

a)

subcutaneous

b)

epidermis

c)

dermis

26.

New skin cells are formed every _______ weeks.

a)

3

b)

4

c)

2

27.

What dertermines the colour of your skin?

(a)  

28.

Melanin protects us from the ________.

a)

sun

b)

diseases

c)

bones

29.

Your blood vessels__________when you are cold.

a)

expand

b)

contract

30.

What provides a waterproof barrier?

a)

sweat glands

b)

skin cells

c)

pores

31.

Identify two mammals in the following. Choose 2 (TWO) answers.

a)

dolphin

b)

penguin

c)

snake

d)

bear

32.

Which of these is a fish?

a)
b)
c)
d)
33.

Which of the following are warm-blooded? Choose 2 (TWO) answers.

a)

mammal

b)

bird

c)

fish

d)

amphibian

e)

reptile

34.

My body is covered with HAIR or FUR, I have LIVE YOUNG, and I feed them with MILK. What am I?

a)

amphibian

b)

bird

c)

fish

d)

mammal

35.

I have MOIST SKIN. I LAY EGGS. I begin my life in the water and later live on land. What am I?

a)

amphibian

b)

bird

c)

fish

d)

reptile

36.

I LAY EGGS. I breathe with my LUNGS. My body is dry and covered with SCALES. What am I?

a)

amphibian

b)

bird

c)

reptile

d)

mammal

37.

My body is covered with FEATHERS. I LAY EGGS and hatch my young. What am I?

a)

amphibian

b)

bird

c)

reptile

d)

mammal

38.

What kind of animal changes their temperature with the environment?

a)

warm-blooded

b)

cold-blooded

c)

hot-blooded

d)

cool-headed

39.

What are the SIMILARITIES of these TWO animals? Choose TWO (2) answers.

a)

Both are warm-blooded.

b)

Both are cold-blooded.

c)

Both have gills.

d)

Both have scales.

40.

What type of vertebrate are humans?

a)

amphibian

b)

bird

c)

reptile

d)

mammal

41.

Because they live in the ocean, many people confuse dolphins for fish. What characteristics classify dolphins as mammals rather than fish?

a)

Dolphins lay eggs and breathe with gills

b)

Dolphins are cold-blooded and have scales

c)

Dolphins are warm-blooded, feed their young with milk and breathe with lungs

d)

Dolphins are warm blooded, lay eggs and breathe with gills

42.

Based on the characteristics, which of the following animals is a BIRD?

a)

Animal A

b)

Animal B

c)

Animal C

d)

Animal D

43.

Which of the following animal has the characteristics of a crocodile?

a)

Animal A

b)

Animal B

c)

Animal C

d)

Animal D

44.

TRUE OR FALSE: All birds can fly.

a)

TRUE

b)

FALSE

45.

TRUE OR FALSE: Fish, amphibians and reptiles are cold-blooded.

a)

TRUE

b)

FALSE

46.

TRUE OR FALSE: All vertebrates that live in water are fish.

a)

TRUE

b)

FALSE

47.

The root that has one main thick root

a)

fibrous root

b)

Tap root

48.

The root which forms a bunch at the base of the stem

a)

fibrous root

b)

tap root

49.

Examples for Taproot

a)

Carrot

b)

Turnip

c)

Grass

d)

Wheat

50.

The branches originate from the base of the stem and spread downwards in the ground. True or False

a)

True

b)

False

c)

Maybe

d)

I don't know

51.

Examples for Fibrous Root

a)

Sugarcane

b)

Rice

c)

Barley

d)

Carrot

52.

Functions of a Root

a)

Roots absorb water and minerals from the soil and send them up into the stem and other parts of a plant

b)

Roots bind the soil and prevent soil erosion.

c)

Making food for the plant.

d)

Making Nectar.

53.

Roots do not always grow under the ground. True or False

a)

True

b)

False

54.

Roots which hang in the air are called

a)

Aerial Roots

b)

Propagating Roots

c)

Water- Storing Roots

d)

I don't know

55.

Grapevine is a ____________________.

a)

creeper

b)

climber

c)

shrub

56.

Small plants with soft green and tender stem are called ______________.

a)

Shrubs

b)

Trees

c)

Herbs

d)

Climbers

57.

Money plant is an example of ______________.

a)

Herb

b)

Shrub

c)

Climber

d)

Creeper

58.

Rose and Hibiscus are examples of __________________.

a)

Herbs

b)

Shrubs

c)

Climbers

d)

Creepers

59.

Plants with weak stem that crawl or creep on ground and spreads are called ____________________.

a)

Climbers

b)

Creepers

c)

Herbs

d)

Shrubs

60.

Pumpkin is an example of ____________________.

a)

Herb

b)

Climber

c)

Creeper

d)

Trees

61.

Big plants are called_________________.

a)

Trees

b)

Shrubs

c)

Climbers

d)

Creepers

62.

Rice and grass are examples of __________________.

a)

Herbs

b)

Shrubs

c)

Trees

d)

Climbers

63.

Which plant part makes seeds or fruit?

a)

the stem

b)

the roots

c)

the flower

d)

the leaves

64.
Roots and root hairs help a plant take in water and nutrients from this.
a)
soil
b)
air
c)
sun
d)
humans
65.
Which is a function of the leaves?
a)
to provide shade
b)
to attract pollinators
c)
to make food through photosynthesis
d)
to absorb nutrients
66.

This is the

a)

petal

b)

anther

c)

seeds

d)

sepal

e)

stem

67.

This is the

a)

style

b)

anther

c)

stigma

d)

sepal

e)

stem

68.

This is the

a)

style

b)

anther

c)

stigma

d)

sepal

e)

stem

69.

This is the

a)

style

b)

anther

c)

stigma

d)

sepal

e)

stem

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