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Photosynthesis review

Total questions: 41

Worksheet time: 52mins

Name
Class
Date
1.
What are the two products of photosynthesis?
a)
Oxygen and Carbon Dioxide
b)

Oxygen and Sugar

c)
Sunlight and Sugar
2.
Where does photosynthesis take place in the plant cell?
a)
Nucleus
b)
Cytoplasm
c)

Chloroplast

d)
Mitochondria
3.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
4.
The three things plants need are sunlight, water, and CO2 for photosynthesis.
a)
True
b)
False
5.
Pigment in green plants that captures the energy in sunlight is called _______.
a)
Pigment
b)
Chlorophyll
c)
Stomata
d)
Green Thing
6.
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
7.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
8.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
9.

This is the chemical formula for a molecule of...

a)

Oxygen

b)

Carbon dioxide

c)

Glucose

d)

Water

10.

What is the purpose of photosynthesis?

a)

To release energy

b)

To create glucose

c)

To grow

d)

To get oxygen for respiration

11.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
12.

Main products of the Calvin Cycle

a)

Oxygen, NADP+, ADP

b)

Glucose, CO2, ADP

c)

ADP, NADP+, Glucose

d)

ATP, NADPH, Oxygen

13.

The Calvin Cycle occurs in the

a)

Thylakoid

b)

Grana

c)

Inner membrane of chloroplast

d)

Stroma

14.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
15.

What supplies the electrons during photolysis?

a)

oxygen

b)

water

c)

glucose

d)

rubisco

16.

Choose the statement that best describes light reaction.

a)

It converts CO2 to sugar molecule

b)

It converts light energy to chemical energy of ATP and NADPH

c)

It takes place in the stroma

17.

Which of the following is NOT needed to start the light reaction?

a)

H2O

b)

ADP + P

c)

CO2

18.

What is the unit of light?

a)

proton

b)

photon

c)

photosystem

19.

•Plants and plant-like organisms make their own food or energy (glucose) from sunlight.

a)

Chemotrophs

b)

Heterotrophs

c)

Autotrophs

d)

Saprophytes

20.
Where does CO2 enter the leaves through?
a)
Roots
b)
Stem
c)
Chloroplasts
d)
Stomata
21.
Plants take in Oxygen to give us Carbon Dioxide to breathe.
a)
True
b)
False
22.
Why are Respiration and photosynthesis opposites?
a)
Plants and living things trade what they make to what they give away as waste.
b)
They are not opposites, they are the same thing.
c)
Plants only do respiration not photosynthesis.
d)
Animals make their own food which is photosynthesis.
23.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
24.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
25.
Glucose is...
a)
A product of photosynthesis and cellular respiration
b)
A reactant of photosynthesis and cellular respiration
c)
A product of photosynthesis and a reactant of cellular respiration
d)
A reactant of photosynthesis and a product of cellular respiration
26.

Where is the main site of photosynthesis on a plant?

a)

Stem

b)

Leaves

c)

Petals

d)

Pollen

27.

Plants take in light energy and turn it into what form of energy?

a)

Chemical

b)

Thermal

c)

Potential

d)

Kinetic

28.

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

a)

Chemical energy

b)

Thermal energy

c)

Light energy

d)

Radiant energy

29.

When light intensity goes up, the rate of photosynthesis goes _______.

a)

up

b)

down

c)

at the same rate. It does not change.

30.

Stacks of thylakoids are called ________.

a)

Thylakoids

b)

Thermodynamics

c)

Granum

d)

rubisco

31.

The ability to do work.

a)

photosynthesis

b)

metabolism

c)

energy

d)

ATP

32.

Light-independent reactions of photosynthesis occur in the _______ of the chloroplast.

a)

Thylakoid

b)

Granum

c)

Cell

d)

Stroma

33.

The majority of chloroplasts can be found where in a plant?

a)

roots

b)

leaves

c)

branches

d)

I don't know

34.

Which parts of photosynthesis happen in the light-dependent reaction? (choose all that apply)

a)

CO2

b)

Water

c)

Light

d)

Sugar/Glucose

e)

Oxygen

35.

Which parts of photosynthesis happen in the light-independent reaction? (choose all that apply)

a)

CO2

b)

Water

c)

Light

d)

Sugar/Glucose

e)

Oxygen

36.
Which of the following environmental conditions would cause the stomata to close?
a)
Low CO2 level
b)
Rain
c)
K+ moving into the guard cells
d)
darkness
37.

What is produced in the stroma?

a)

ATP

b)

glucose/G3P

c)

O2

d)

CO2

38.

Why do CAM plants grow much slower than other plants?

a)

they live in areas that do not have a lot of sunlight

b)

they live in areas that do not have a lot of water

c)

they can only fix CO2 during the night hours

d)

they can only fix CO2 during the day hours

39.

Why are most plants green?

a)

Chlorophyll reflects green light

b)

Chlorophyll absorbs green light

c)

Carotenoids reflect green light

d)

Green is the best color for plant growth

40.

Photosynthetic organisms derive their carbon from

a)

carbon monoxide

b)

carbon dioxide

c)

hydrocarbons

d)

methane

41.

Energy currency of the cell.

a)

rubisco

b)

ATP

c)

glucose

d)

light