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leaf and photosynthesis - 9Social

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

The ___________ of the plant that is charge of making food for the plant.

a)

flower

b)

roots

c)

leaves

d)

stem

2.

The outer surface of the leaf has a thin waxy covering

a)

blade

b)

cuticle

c)

petiole

d)

epidermis

3.

____________­lines the lower area of the leaf.

a)

blade

b)

cuticle

c)

petiole

d)

epidermis

4.

The vascular tissues are ____&____.

a)

­Xylem and Phlobotemy

b)

­Xylemy and Phloemy

c)

­Xylemotomy and Phloemotomy

d)

­Xylem and Phloem.

5.

_________is where photosynethesis actually occurs

a)

mesothelioma

b)

mesophyll

c)

metophyll

6.

The mesophyll has _______ layers.

a)

3

b)

2

c)

4

d)

5

7.

Leaves can be of many different shapes

a)

true

b)

false

8.
Most of the chloroplast cells are found in the
a)
upper epidermis
b)
pallisade mesophyll layer
c)
lower epidermis
d)
stomata
9.
The important gases, carbon dioxide and oxygen, enter and leave the leaf through the
a)
upper epidermis
b)
phloem
c)
stomata
d)
guard cells
10.
The reactants needed for photosynthesis to occur are:
a)
carbon dioxide & water
b)
carbon dioxide & oxygen
c)
oxygen & water
d)
carbon dioxide, oxygen & water
11.

Using their __________, plants combine sunlight, carbon dioxide and water to make glucose and oxygen

a)

Flowers

b)

Leaves

c)

Stem

d)

Roots

12.

'___________' comes into the plant through the roots

a)

Oxygen

b)

Water

c)

Carbon Dioxide

d)

Goku

13.

What is the function of the leaf on the plant?

a)

Absorbs water

b)

Absorbs Nutrients

c)

Photosynthesis

d)

Anchors the plant

14.

Why do leaves need a large surface area?

a)

To absorb as much water as possible.

b)

To absorb as much sunlight as possible.

c)

To absorb as much food as possible.

d)

To absorb as much chlorophyll as possible.

15.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
16.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
17.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
18.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
19.
Green plants reflect ________ light.
a)
Red
b)
Green
c)
All
d)
Red and Violet
20.
What is the organelle that contains the chlorophyll used in photosynthesis ?
a)
mitochondria
b)
ribosome
c)
chloroplast
d)
nucleus