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The Flower

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

The reproductive part of a plant is called as _______.

a)

leaf

b)

stem

c)

root

d)

flower

2.

The four sets of whorls in flower are

a)

calyx, corolla, androecium and gynoecium.

b)

stamens, pistil, ovary and ovule.

c)

calyx, stamens, androecium and corolla.

d)

gynoecium, corolla, androecium and stamens

3.

The stalk of the flower is called the ____

a)

petiole

b)

stalk

c)

pedicel

d)

stem

4.

The _____ protects the flower in the bud stage.

a)

corolla

b)

calyx

c)

stamen

d)

pistil

5.

1. The outermost whorl is composed of green structures called _____.

a)

sepals

b)

petals

c)

buds

d)

flowers

6.

Petals are brightly coloured to ____________.

a)

prepare food

b)

attract insects for pollination

c)

attract insects for pollination

d)

produce nectar

7.

The male sex cells in a flower are produced in the ____________.

a)

filament

b)

pistil

c)

carpel

d)

pollen grains

8.

1. ____________ is a unit of male reproductive whorl of flower.

a)

Stamen

b)

Androecium

c)

Anther

d)

Filament

9.

Ovules finally develop into a ___.

a)

fruit

b)

flower

c)

leaf

d)

seed

10.

Anther and filament are the parts of the _____.

a)

carpel

b)

pistil

c)

ovary

d)

stamen

11.

Tiny powdery substance produced by anthers is called _____.

a)

Spores

b)

Grains

c)

Dust

d)

Pollen Grains

12.

The swollen basal part of carpel is called ____.

a)

ovary

b)

ovule

c)

pistil

d)

gynoecium

13.

Fruits are developed from

a)

ovule

b)

ovary

c)

flower

d)

leaf

14.

The smallest flower is _____.

a)

Wolffia

b)

Hydrilla

c)

Fern

d)

Lily

15.

What is the female reproductive whorl of flower known as?

a)

Androecium

b)

Gynoecium

c)

Stamens

d)

Carpel

16.

Rafflesia is native to which country?

a)

India

b)

Africa

c)

Indonesia

d)

Brazil

17.

The flask-shaped organ in a gynoecium is called ____.

a)

tube

b)

stigma

c)

ovary

d)

pistil

18.

Which is not a complete flower?

a)

Mustard

b)

China Rose

c)

Mulberry

d)

Pea

19.

Which of the following is a unisexual flower?

a)

Cucumber

b)

Mustard

c)

Lily

d)

Pea

20.

Which of the following statement(s) is/are function(s) of the flower?

a)

Helps in multiplication of species

b)

Has ornamental value

c)

Acts as a source of food

d)

All of the above