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Grade 4 Science Term 1

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

The colouring in leaves is called

a)

paint

b)

mineral

c)

chlorophyll

d)

photosynthesis

2.

What parts of the flower come together to form a seed?

a)

petal and stamen

b)

sepal and petal

c)

pollen and ovule

d)

anther and ovule

3.

Leaves help plants to survive by

a)

taking in nutrients form the soil

b)

producing the food

c)

keeping the plant from falling over

d)

taking in water form the soil

4.

The correct order in which plant processes take place is

a)

pollination, fertilisation, germination, photosynthesis

b)

fertilization, germination, pollination, photosynthesis

c)

photosynthesis, germination, pollination, fertilisation

d)

fertilisation, photosynthesis, pollination, germiantion

5.

The diagram shows a

a)

fibrous root

b)

tap root

c)

hairy root

d)

straight root

6.

Tanya carried out an experiment to show that plants respond to light. Which set-up did she use to get the plant as shown in the picture?

a)
b)
c)
d)
7.

The male part of the plant is called

a)

pistil

b)

ovary

c)

stamen

d)

petal

8.

The powder-like dust found in the stamen is

a)

fruit

b)

seed

c)

pollen

d)

ovule

9.

The female reproductive part of the plant is

a)

petal

b)

anther

c)

pistil or carpel

d)

filament

10.

A student soaked a seed in water , What name is given to the baby plant that is seen after one day?

a)

embryo

b)

shoot

c)

plumule

d)

root

11.

In which sequence does water move through a plant?

a)

root , stem, leaves

b)

root, leaves, flower

c)

leaves, root, leaves

d)

stem, root, leaves

12.

The male sex cells from the pollen grains join with an egg to form a seed - this happens in the

a)

filament

b)

anther

c)

sepal

d)

ovary

13.

The arrows show the movement of

a)

Water

b)

Mineral salts

c)

Oxygen

d)

Sugar

14.

What is the main function of the part labelled 'Q' in the figure?

a)

Provides support

b)

Produces seeds

c)

Synthesis food

d)

Absorbs water

15.

What is the main reason why plants produce flowers?

a)

for reproduction

b)

for beautification

c)

for pollination

d)

for food

16.

Which of the following do plants combine with air, sunlight and water to make food in their leaves?

a)

carbon dioxide

b)

greenery

c)

chlorophyll

d)

minerals

17.

Why could a plant be compared to a factory?

a)

They both receive sunlight

b)

They both use chlorophyll to make food for us to eat

c)

They have different parts for different functions

d)

They both take in mineral salts from the salt

18.

What is the name given to the part of the flower labelled C?

a)

stigma

b)

petal

c)

sepal

d)

ovary

19.

The part labelled A is the

a)

pistil

b)

petal

c)

stamen

d)

stigma

20.

What would likely happen first to a plant if the leaves were removed?

a)

The plant would grow faster

b)

The plant would need more water to stay alive

c)

The plant would die

d)

The plant would not make its own food

21.

If the flowers were removed from a plant

a)

The plant would take in more water from the soil

b)

The plant would not be able to make food

c)

The plant would die

d)

No new plant would be produced

22.

Which of these is not involved in fertilization

a)

ovary

b)

anther

c)

stigma

d)

petal

23.

The process in which pollen grains are transferred from the anther to the stigma is called

a)

stigmatization

b)

fertilisation

c)

ovulation

d)

pollination

24.

When a seed has been germinated, the shoot grows towards the

a)

light

b)

ground

c)

wind

d)

tree