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Photosynthesis 2019

Total questions: 38

Worksheet time: 29mins

Name
Class
Date
1.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

CO2 + light + H2O --> O2 + Sugar

b)

CO2 + sugar + H2O --> O2 + light

c)

O2 + Sugar --> CO2 + H2O + ATP

d)

CO2 + O2 + H2O --> Light+ Sugar

2.

What process occurs when light energy is captured in autotrophs and converted into sugar?

a)

Photosynthesis

b)

Cellular Respiration

c)

Light Dependent Reactions

d)

Light Independent Reaction

3.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
4.

What is the pigment in chloroplasts that absorbs light energy during photosynthesis?

a)

Chlorosynthesis

b)

Chlorophyll

c)

ADP

d)

Electron Transport

5.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
6.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
7.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
8.
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
9.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
10.
Which of the following is not needed for photosynthesis to occur?
a)
sunlight
b)
carbon dioxide
c)
water
d)
oxygen
11.

What are the reactants (what's needed) for photosynthesis?

a)

glucose and oxygen

b)

light, water, and carbon dioxide

c)

ATP and Carbon Dioxide

d)

NADPH, Glucose, and Carbon Dioxide

12.

What is the energy conversion during photosynthesis?

a)

chemical --> chemical

b)

thermal --> electrical

c)

chemical --> light

d)

light --> chemical

13.
In which organelle (part of the cell) does photosynthesis take place?
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
cell membrane
14.
What is the gas we breath out that plants use for photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
15.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
16.

What is the function of NADPH and ATP?

a)

They absorb light for the light dependent reactions

b)

They power the light-dependent reactions

c)

They are light-reflecting pigments in the Calvin cycle

d)

They are short term energy carriers that provide energy to the light independent reactions

17.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
18.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
19.
What is the primary function of the light-dependent reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
20.
Which substance from the light-dependent reactions of photosynthesis is a source of energy for the light-independent reactions?
a)
ADP
b)
H2O
c)
NADPH
d)
pyruvic acid
21.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
22.
Use the diagram to answer the question. Which chemical is an electron carrier molecule?
a)
H2O
b)
carbon dioxide
c)
NADP+
d)
oxygen
23.

Is ADP or ATP more like a fully charged battery, and why?

a)

ADP, because it has three phosphate groups; breaking and reforming the bonds among them releases energy.

b)

ATP, because it has three phosphate groups; breaking the bonds among them releases energy like a battery releases energy when it is used.

c)

ADP, because it has two phosphate groups; breaking and reforming the bonds among them releases energy.

d)

ATP, because it has two phosphate groups; breaking and reforming the bonds among them releases energy.

24.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts radiant energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
25.
From which molecule does a plant get most of its mass?
a)
carbon dioxide
b)
water
c)
sunlight
d)
soil
26.
Which product is produced during the light-dependent reactions?
a)
water
b)
oxygen
c)
glucose
d)
carbon dioxide
27.
Which of the following is considered a waste product of photosynthesis?
a)
glucose
b)
oxygen
c)
carbon dioxide
d)
sunlight
28.

Chloroplasts are organelles found mostly in _________________.

a)

The cells of leaves on plants

b)

The root cells of plants

c)

Leaves of plants and epidermis of animals

d)

protists

29.

What do the leaves do? Select ALL that are true

a)

photosynthesis happens here

b)

transports materials between the roots and leaves

c)

holds the plant in place

d)

gases are exchanged here

30.

what are the reactants needed for photosynthesis to happen? Select all that are true

a)

oxygen, water, light, and sugar

b)

sugar, oxygen, carbon dioxide, and light

c)

light, oxygen, and sugar

d)

carbon dioxide, water and light

31.

What are the products of photosynthesis? Select ALL that are true

a)

water

b)

oxygen

c)

light

d)

sugar (glucose)

32.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
33.

What do plants give off that humans and animals need?

a)

Carbon dioxide

b)

CO2

c)

Carbon monoxide

d)

Oxygen

34.

The structure that allows gases to enter and exit plant leaves

a)

Thylakoid

b)

Stomata

c)

Roots

d)

Stems

35.

Where do the light dependent reactions occur?

a)

Inner Membrane

b)

Thylakoid Membrane

c)

Cytoplasm

d)

Stroma

36.

Stroma is

a)

The outer membrane on the chloroplast

b)

The small openings that can open and shut on a leaf

c)

The space around the thylakoid membranes

d)

The flattened stacks of membrane inside the chloroplast

37.

What would happen to photosynthesis if you do not get a plant water?

a)

The plant will only be able to make half the normal amount of glucose

b)

You will not be able to make ATP and NADPH during light reactions

c)

This would cause the plant to get oxygen from another source

d)

This would prevent the chlorophyll from absorbing light energy

38.

Gases that enter and exit through the stomata are?

a)

ATP and Oxygen

b)

Carbon Dioxide

c)

Oxygen and Carbon Dioxide

d)

Glucose, Carbond DIoxide, and NADPH

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