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KS3 SCIENCE: SEXUAL REPRODUCTION IN FLOWERING PLANTS

Total questions: 63

Worksheet time: 33mins

Name
Class
Date
1.

In some flowering plants, the male and female parts are found on a single flower. What is the example of such this flower?

a)

cucumber

b)

hibiscus

c)

maize

d)

morning glory

2.

In other flowering plants, the male and female parts are found on separate flowers. What is the example of such this flower?

a)

cucumber

b)

hibiscus

c)

maize

d)

morning glory

3.

These are the female part of the flower.

a)

anther

b)

pollen grain

c)

ovary

d)

stigma

4.

These are the male part of the flower.

a)

anther

b)

pollen grain

c)

ovary

d)

stigma

5.

What is the function of the pollen?

a)

to fertilise the egg

b)

to pollinate the flower

c)

to produce the reproductive cells

6.

Which type of animal cell has a similar function to the pollen?

a)

testis

b)

ovum

c)

sperm

d)

womb

7.

The transfer of pollen from the anther to the stigma is called __________.

a)

pollination

b)

fertilisation

c)

seed dispersal

d)

germination

8.

Which of these that help flowering plants to do pollination?

a)

dog

b)

bee

c)

wind

d)

water

9.

What is happen after pollination?

a)

fertilisation

b)

seed dispersal

c)

germination

10.

What is fertilisation in plant?

a)

the nucleus of the sperm fuses with the egg

b)

the nucleus of the pollen grain enter the ovule and fuses with the egg

c)

the nucleus of the sperm enter the stigma

d)

the nucleus of the pollen grain enter the tube

11.

After fertilisation, the ovary develops into __________.

a)

a flower

b)

seeds

c)

a fruit

d)

embryos

12.

After fertilisation, the ovule develop into __________.

a)

a flower

b)

seeds

c)

a fruit

d)

embryos

13.

The male parts of a flower are ______________.

a)

Style

b)

Anther

c)

Filament

d)

Ovary

14.

The ___________ of one flower receives pollen grains from another flower.

a)

anther

b)

ovary

c)

style

d)

stigma

15.

The _______________ produces pollen grains.

a)

ovary

b)

anther

c)

stigma

16.

The _________ travels to the __________ during fertilization to form a seed.

a)

anther travels to the ovule

b)

pollen travels to the ovule

c)

anther travels to thestigma

d)

pollen travels to the stigma

17.

[Multi-answer] Plants scatter their seeds to reduce overcrowding. This reduces the competition for _______________.

a)

sunlight

b)

space

c)

water

d)

air

18.

The female parts of a flower are ____________________.

a)

ovary

b)

ovule

c)

anther

d)

stigma

19.

In nature, flowers are pollinated by ____________ and _______________.

a)

wind

b)

water

c)

butterflies

d)

humans

20.

The ______ supports the stigma and keeps it high above the plant to receive pollen grains easily.

a)

style

b)

filament

c)

stalk

d)

stem

21.

The plant male sex cell is also called the _______________.

a)

anther

b)

pollen grain

c)

ovary

d)

ovule

22.

Pollination is the process of transferring pollen from the anther of one flower to the ______________ of another flower.

a)

filament

b)

style

c)

stigma

d)

ovary

e)

ovule

23.

Fruit X is fleshy and bright-red in colour. The likely dispersal method for its seeds is by ____________.

a)

animal

b)

wind

c)

water

d)

splitting

24.

After fertilization, each _______forms a seed, while each _________forms a fruit.

a)

ovary ... ovule

b)

ovule ... ovary

c)

egg ... ovary

d)

pollen ... ovary

e)

ovary ... pollen

25.

After fertilisation, the seeds are formed inside the _________.

a)

ovule

b)

ovary

c)

flower

d)

stalk

26.
This occurs after a tube grows down from the pollen grain through the style to the ovary.
a)
pollination
b)
germination
c)
fertilization
d)
seed dispersal
27.
Pollination is the process by which pollen
a)
causes people to sneeze
b)
is formed inside a plant
c)
moves from stamen to stigma
d)
moves from stigma to stamen
28.
I am a flower that produces nectar. What is the function of the nectar?
a)
To provide food for the flower
b)
To attract pollinators
c)
To attract animals to disperse the fruits
d)
To produce perfumes for Man
29.

What part of the flower is B ?

a)

pistil

b)

petal

c)

ovary

d)

pollen

30.

The petals job is not only to protect the reproductive parts of the plant, but also to

a)

keep wind away from the stamen

b)

attract pollinators with their colors

c)

absorb sunlight

d)

fall off and become food for bugs

31.

Seed structure that grows become roots

a)

radicle

b)

plumule

c)

cotyledon

d)

endosperm

32.

Seed structure that protects seed

a)

radicle

b)

plumule

c)

endosperm

d)

seed coat(testa)

33.
Small leaf-like structures forming an outer circle at the base of a flower.
a)
petals
b)
sepal
c)
stigma
d)
pistil
34.
They enclose the egg cells inside the ovaries.
a)
ovules
b)
anther
c)
seeds
d)
stamen
35.
Contains a young plant inside that grows into a big plant
a)
Seed
b)
Seed coat
c)
Seed leaves
d)
Seedling
36.
Flowering plants?
a)
angiosperms
b)
gymnosperms
c)
mosses
d)
ferns
37.

Name the gametes in a plant

a)

Egg & sperm

b)

Egg & pollen

c)

Pollen & sperm

38.

Asexual reproduction does not involve gametes

a)

True

b)

False

39.

Sexual reproduction involves gametes

a)

True

b)

False

40.

The stamen is made of the

a)

Anther & filament

b)

Anther & petal

c)

Fliament & ovary

d)

Ovary & style

41.

What is the seed made from

a)

The fertilised egg

b)

The ovary

c)

The anther

42.

The growth of a seed into a plant is called

a)

Pollination

b)

Fertilisation

c)

Seed and fruit formation

d)

Germination

43.

What conditions are needed for germination

a)

Light, water, oxygen

b)

Water, oxygen, warmth

c)

Water, cold, oxygen

d)

Dry, warmth, oxygen

44.

Which of the following structures labelled A, B, C and D is an egg

a)

A

b)

B

c)

C

d)

D

45.

Where do germination of pollen take place?

a)

I

b)

II

c)

III

d)

IV

46.

Where do fertilisation takes place?

a)

I

b)

II

c)

III

d)

IV

47.

Which of the floral parts in the figure are responsible in attracting pollinating agents?

a)

A

b)

B

c)

C

d)

D

48.

What is the male reproductive organ of a flower?

a)

pistil

b)

stamen

c)

angiosperm

d)

fruit

49.

What animals are known to pollinate flowers?

a)

bats

b)

butterflies

c)

hummingbirds

d)

bees

50.

What is 1 pointing to?

a)

sepal

b)

petal

c)

ovary

d)

stigma

51.

What is 2 pointing to?

a)

anther

b)

filament

c)

stigma

d)

style

52.

What contains one or more seeds, and develops from the ovary, and sometimes other parts of the flower?

a)

flower

b)

angiosperm

c)

pollen

d)

fruit

53.

What is 3 pointing to?

a)

anther

b)

filament

c)

stigma

d)

style

54.

What is 4 pointing to?

a)

ovary

b)

filament

c)

stigma

d)

style

55.

What is 5 pointing to?

a)

ovary

b)

ovule

c)

stigma

d)

style

56.

What is 9 pointing to?

a)

filament

b)

anther

c)

stigma

d)

style

57.

What is 8 pointing to?

a)

filament

b)

anther

c)

stigma

d)

style

58.

What is 7 pointing to?

a)

filament

b)

anther

c)

petal

d)

sepal

59.

What develops from the ovary?

a)

seeds

b)

pollen

c)

fruit

d)

leaves

60.

What develops from the ovules?

a)

seeds

b)

pollen

c)

fruit

d)

leaves

61.

What is pollination?

a)

The process of pollen moving from the filament to the style

b)

The process of pollen moving from the style to the filament

c)

The process of pollen moving from the stigma to the anther

d)

The process of pollen moving from the anther to the stigma

62.

Which is true about animal pollinated plants?

a)

The color, shape, and smell of the flower doesn’t matter

b)

The color, shape, and smell of the flower is attractive to a specific pollinator

63.

These parts attract insects

a)

Stem & leaves

b)

Stigma, Style & Ovary

c)

Anther & filament

d)

Petals & nectary

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