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Photosynthesis

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

2.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

3.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

4.

Which organelle stores water for use in photosynthesis?

a)

Chloroplast

b)

Cell Membrane

c)

Vacuole

d)

Nucleus

5.

Is Glucose (C6H12O6) a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Neither

6.

How does most of the water needed by the plant get into its leaves?

a)

It enters through the stomata

b)

The roots absorb it and then it travels up the stem

c)

It's made during a chemical reaction in the leaf

d)

The flowers capture water and deliver it to the leaves

7.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
8.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
9.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Light+ Sugar

10.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
11.

What is the meaning of photosynthesis?

a)

A process of plants to produce Oxygen

b)

A process of plants to make their on food

12.

What is the function of chlorophyll in plants?

a)

To absorb sunlight

b)

To produce Oxygen

c)

To absorb nutrients

13.

In which parts of plants the starch is stored?

a)

Roots, seed and leaf

b)

Roots, leaf, stem

c)

Roots, leaf, stem, fruit

d)

Fruit, roots, leaf, seed, stem

14.

Photosynthesis is very important to other living things. Why?

a)

It provides energy and air

b)

It provides food and Oxygen

c)

Photosynthesis causes the inbalance of air composition

15.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
16.

What is the pigment in chloroplasts that performs photosynthesis?

a)

Chlorosynthesis

b)

Chlorophyll

c)

Chloroplast

d)

Green

17.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
18.
Why do producers need humans?
a)
Producers use the oxygen humans make
b)
Producers need someone to water them
c)
Producers use the carbon dioxide humans make and turn it into oxygen
d)
Producers use the glucose humans give them
19.
The ____________ is the most photosynthetic part of a plant.
a)
leaf
b)
flower
c)
roots
d)
stem
20.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
21.
Where does a plant get carbon dioxide from?
a)
A plant gets carbon dioxide from the soil.
b)
A plant gets carbon dioxide from the air.
c)
A plant gets carbon dioxide from the water.
d)
A plant gets carbon dioxide at the Shell gas station.
22.

For photosynthesis, a plant needs water, sun, and...

a)

oxygen

b)

carbon dioxide

c)

glucose

d)

mitochondria

23.

During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

a)

True

b)

False

24.

True or False: Plants make their own food and use the energy from the food that is made.

a)

True

b)

False

25.

True or False: Animals can make their own food inside themselves.

a)

True

b)

False