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Chapter 1: The Leaf

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

A flattened green structure found in plants is called_______.

a)

flower

b)

node

c)

internode

d)

leaf

2.

The point on the stem from where a leaf arises is called _______.

a)

node

b)

internode

c)

petiole

d)

leaf base

3.

The outer edge of lamina is called ___________.

a)

leaf blade

b)

apex

c)

leaf margin

d)

internode

4.

The lamina is attached to the stem by a short stalk called ________.

a)

leaf base

b)

apex

c)

petiole

d)

node

5.

Fine lines forming a network throughout the body of leaf blade is/are called ________.

a)

venation

b)

veins

c)

margin

d)

lamina

6.

Chlorophyll imparts _________ colour to the plant.

a)

green

b)

no colour

c)

red

d)

brown

7.

Raw materials needed for photosynthesis are ____________.

a)

air, water, chlorophyll

b)

water, carbon dioxide, sunlight, chlorophyll

c)

food, oxygen, water, chlorophyll

d)

sunlight, water, air

8.

Loss of water in the form of water vapour from the tiny pores of leaves is called __________.

a)

photosynthesis

b)

stomata

c)

respiration

d)

transpiration

9.

Leaf with a single lamina is called ____________.

a)

leaf

b)

petiole

c)

simple leaf

d)

compound leaf

10.

__________ has no axillary bud.

a)

Simple leaves

b)

Compound leaves

c)

Reticulate leaves

d)

Leaflets

11.

The stalk of a compound leaf is called ___________.

a)

lamina

b)

petiole

c)

pinna

d)

rachis

12.

Parallel venation is the characteristic of ____________.

a)

a) monocot plants

b)

b) dicot plants

c)

c) conifers

d)

d) both a and b

13.

Reticulate venation is present in ____________.

a)

Mango

b)

Rose

c)

Peepal

d)

all of these

14.

The arrangement of leaves on the stem is called _______________.

a)

venation

b)

phyllotaxy

c)

leaflets

d)

modification

15.

Alternate, opposite and whorled are types of ___________.

a)

venation

b)

phyllotaxy

c)

modification

d)

leaflets

16.

Oleander and asparagus have more than two leaves that arises at each node which shows ___________ phyllotaxy.

a)

a) alternate

b)

b) opposite

c)

c) whorled

d)

d) both a and b

17.

Raina saw thin, coil-like structures in a pea plant. What do you think she saw?

a)

spines

b)

pitcher

c)

creeper

d)

tendrils

18.

Two functions of spines in xerophytic plants are:

a)

a) to protect and check loss of water

b)

b) to protect and help in intake of lots of water

c)

c) to protect and help in losing lots of water

d)

d) both a and b

19.

Examples of insectivorous plants are :

a)

Drosera

b)

Bladderwort

c)

Pitcher plant

d)

all of these

20.

Main function of the leaf is to:

a)

prepare food for the plant

b)

protect the plant

c)

anchor the plant

d)

distribute food in the plant body

21.

Which of the following is a modified leaf?

a)

Spines of cactus

b)

Maize

c)

Sugarcane

d)

Banyan

22.

Plants like sweet potato and jasmine are easily grown through ___________.

a)

transpiration in the leaf

b)

spreading of roots

c)

vegetative propagation

d)

seed dispersal

23.

Veins are present in ____________.

a)

stems

b)

roots

c)

leaves

d)

seeds

24.

A leaf typically consists of ___________.

a)

leaf base

b)

stalk

c)

leaf blade

d)

all of these

25.

Some leaves have patches of white or yellow or red colour. Such leaves are called __________.

a)

variegated

b)

non-green

c)

parasitic

d)

d) both a and b

26.

Identify the type of leaves shown in image A and image B.

a)

Both A and B are simple leaves

b)

Both A and B are compound leaves

c)

A has simple leaves and B has compound leaves

d)

A has compound leaves and B has simple leaves

27.

Observe the venation of the leaves and identify the kind of seed the plant will have.

a)

Dicotyledonous

b)

Monocotyledonous

c)

Seedless

d)

Cannot be ascertained

28.

Compare the rate of transpiration in plant A with that of plant B.

a)

Plant A > Plant B

b)

Plant A < Plant B

c)

Plant A = Plant B

d)

Plant B > Plant A

29.

Which part of the onion do we eat?

a)

Root

b)

Stem

c)

Scale leaves

d)

Fruit

30.

Some plants are insectivorous because they ________________.

a)

cannot photosynthesize

b)

do not have leaves

c)

like insects

d)

need more nitrogen