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SCIENCE PRACTICE QUESTIONS

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LIFECYCLE OF FLOWERING PLANTS

1.

All flowering plants end their life cycle with

A.

seed formation.

B.

seed development.

C.

seed dispersal.

D.

seed germination.

2.

The ovary, style and stigma are collectively known as the

A.

stamen.

B.

pistil.

C.

fruit.

D.

stem.

3.

The shoot system of a flowering plant develops from the

A.

radicle.

B.

plumule.

C.

cotyledon.

D.

endosperm.

4.

Which of the following nursery beds is suitable for a flood prone area?

A.

Plain bed

B.

Sunken bed

C.

Raised bed

D.

Flat bed

5.

All flowering plants end their life cycle with

A.

seed formation.

B.

seed development.

C.

seed dispersal.

D.

seed germination.

6.

The main reason for staking tomato is to ensure

A.

bigger fruit development.

B.

air circulation on the farm.

C.

upright growth of the plant.

D.

that fruits do not get rotten.

7.

The ovary, style and stigma are collectively known as the

A.

stamen.

B.

pistil.

C.

fruit.

D.

stem.

8.

The shoot system of a flowering plant develops from the

A.

radicle.

B.

plumule.

C.

cotyledon.

D.

endosperm.

9.

Which of the following fruits is dispersed by water?

A.

Coconut

B.

Mango

C.

Maize

D.

Cocoa

10.

All the following plants reproduce sexually except

A.

coconut

B.

sweet potato

C.

pawpaw

D.

apple

11.

Fertilized ovules develop into

A.

fruits

B.

cotyledon

C.

plumule

D.

testa

12.

The part of the banana plant used in reproduction is called

A.

sucker

B.

rhizome

C.

stem

D.

tuber

13.

The part of the plant which is found in the soil is the

A.

flower

B.

stem

C.

leaf

D.

root

14.

A fertilized ovule results in the formation of

A.

an ovary

B.

a style

C.

a pistil

D.

a stigma

15.

Which of the following is a rhizome?

A.

Potato

B.

Ginger

C.

Onion

D.

Cocoyam

16.

When the testa of a soaked bean is removed, the seed is seen to be made up of mainly

A.

micropyles

B.

hilum

C.

radicle

D.

embryo

17.

Stem cutting is used in propagating cassava because it

A.

gives rise to roots and leaves

B.

stores food in the stem

C.

gives rise to big tubers

D.

gives rise to small tubers

18.

Which of the following is a horizontal underground stem?

A.

Cocoyam

B.

Onion

C.

Carrot

D.

Yam

19.

Which of the following insects is an agent of pollination?

A.

Mosquito

B.

Housefly

C.

Bee

D.

Ant

20.

The edible part of the mango fruit is called

A.

endocarp

B.

drupe

C.

fibre

D.

mesocarp

21.

Which of the following is a function of prop roots? They

A.

Store starch in the swollen branch roots

B.

Take in air for respiration

C.

Hold the plant more firmly in the soil

D.

Develop into storage roots

22.

Which of the following fruits is adapted for dispersal by air?

A.

Succulent fruit

B.

Brightly coloured fruit

C.

Sticky fruit

D.

Hairy fruit

23.

A beneficial effect of wind on the environment is

A.

promotion of photosynthesis in green plants.

B.

pollination in flowering plants.

C.

leaching in soils.

D.

erosion in soils.

24.

In flowering plants, the stamen is made up of

A.

anther and stigma.

B.

anther and filament.

C.

stigma and filament.

D.

stigma and style.

25.

A viable seed is one that

A.

germinates under suitable conditions.

B.

contains oil.

C.

develops from fertilized ovary.

D.

has a pericarp.

26.

The part of the flower that contains nectar is called

A.

anther.

B.

petal.

C.

ovary.

D.

sepal.

27.

Fruits which are dispersed by wind are likely to be

A.

dry.

B.

hairy.

C.

juicy.

D.

sticky.

28.

Viable seeds are ones that

A.

are able to germinate under suitable conditions.

B.

are eaten by animals after planting.

C.

contain a lot of oil.

D.

have hard seed coat.

29.

The part of the plant where pollination occurs is the

A.

flowers.

B.

leaves.

C.

roots.

D.

stems.

30.

Fruit dispersed by wind

A.

Have hairs

B.

Are sticky

C.

Are succulent

D.

Have hooks

31.

The part of the flower that develops into a fruit is the

A.

ovary.

B.

ovule.

C.

stamen.

D.

style.

32.

One of the characteristics of wind pollinated flowers is that they

A.

are large and conspicuous.

B.

are usually scented.

C.

have nectar.

D.

have feathery stigma.

33.

The ovules in a flower develop to form the

A.

fruit.

B.

leaf.

C.

seed.

D.

stem.

34.

The carpel of a flower is made up of the following parts except

A.

filament.

B.

ovary.

C.

style.

D.

stigma.

35.

The part of the flower that produces pollen grains is the

A.

stamen

B.

filament

C.

petal

D.

anther

36.

A fruit in which the pappus has been modified into a parachute structure is dispersed by

A.

explosion

B.

mammals

C.

water

D.

wind

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