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Photosynthesis

Total questions: 42

Worksheet time: 39mins

Name
Class
Date
1.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

2.

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

3.

What is the food manufacturing process in plants?

a)

respiration

b)

chlorophyll

c)

glucose

d)

photosynthesis

4.
What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
5.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
6.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen
7.

If plants breathe in carbon dioxide, what do they breathe out?

a)

nitrogen

b)

oxygen

c)

carbon

d)

helium

8.
Which of the following is not needed as a key ingredient for photosynthesis to occur?
a)
sunlight
b)
carbon dioxide
c)
water
d)
oxygen
9.

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

a)

True

b)

False

10.

What creates the green color in plants?

a)

chlorophyll

b)

clorox

c)

chemical

d)

chromosomes

11.

Plants take in water and ___ from the soil and roots.

a)

sunlight

b)

soil

c)

water

d)

nutrients

12.

Plants need photosynthesis to make ___.

a)

oxygen

b)

carbon dioxide

c)

food

d)

new plants

13.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
14.
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
15.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
16.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
17.

What is the pigment in chloroplasts that performs photosynthesis?

a)

Chlorosynthesis

b)

Chlorophyll

c)

Chloroplast

d)

Green

18.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
19.
The ____________ is the most photosynthetic part of a plant.
a)
leaf
b)
flower
c)
roots
d)
stem
20.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
21.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
22.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
23.

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

a)

True

b)

False

24.

Which of the following statements best describes the term photosynthesis?

a)

When plants absorb the energy from the sun.

b)

How plants reproduce.

c)

The process by which plants make their own food.

d)

The process by which animals make their own food.

25.

Which of the following is needed for the process of photosynthesis?

a)

Water

b)

Oxygen

c)

Starch

d)

Carbon dioxide

26.

Chlorophyll is:

a)

The substance that makes plants green.

b)

Found inside the chloroplast cells.

c)

Used to absorb energy from the sun.

d)

All of the above.

27.

The openings that are found in the leaves of plants are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

28.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

29.

1.


What are the reactants of cellular respiration in plants?

a)

carbon dioxide and water

b)

glucose and carbon dioxide

c)

the reactants of the electron transport chain

d)

oxygen and glucose

30.

Why are plants considered autotrophs

a)

They make their own food

b)

They provide food for others

31.

What are the products of photosynthesis?

a)

Glucose

b)

sunlight

c)

water

32.

A plant's leaves are green because the color green is ______ back to our eyes.

a)

transmitted

b)

absorbed

c)

reflected

d)

All of the above

33.

Which of the following is not a product of photosynthesis?

a)

Glucose

b)

Oxygen

c)

Carbon Dioxide

34.

Glucose is a type of________

a)

sugar

b)

salt

c)

dairy product

d)

protein

35.

Which is not a reactant needed for producing food in a green plant?

a)

carbon dioxide

b)

water

c)

oxygen

d)

hydrogen

36.

The stoma on the underside of the leaf allows______ to move in and out of the leaf.

a)

gases

b)

soil

c)

water

d)

nutrients

37.

The arrow in a chemical equation means______

a)

sum

b)

together

c)

yields

d)

difference

38.

Radiant energy from the sun is very important to life on Earth. It is unique because unlike sound waves, it can travel through______

a)

space

b)

liquids

c)

gases

d)

solids

39.

Which of the following are reactants of photosynthesis?

a)

CO2 and H2O

b)

O2

c)

H2O and Glucose

d)

None of the above

40.

Photosynthesis produces Glucose for plants. This is a form of __________________________ for plants.

a)

Chemical energy

b)

Thermal energy

c)

Light energy

d)

Radiant energy

41.

Organisms that use energy from the sun to make their own food are called

a)

carnivores.

b)

consumers.

c)

omnivores.

d)

producers.

42.

Both plants were watered daily. Which plant will be able to photosynthesize?

a)

Plant A only

b)

Plant B only

c)

Plant A and Plant B