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Photosynthesis Review

Total questions: 33

Worksheet time: 17mins

Name
Class
Date
1.

Which of the following is a product of photosynthesis?

a)

water

b)

carbon dioxide

c)

oxygen

d)

sunlight

2.

Leaves look green because

a)

Chloroplasts reflect green light and absorb the other colors

b)

Chloroplasts absorb green light and reflect the other colors

c)

Chloroplasts absorb the all colors

d)

Leaves are dyed green

3.

Cells obtain useable energy by

a)

Breaking down an ADP into ATP to release energy

b)

Building an ADP

c)

Building an ATP

d)

Breaking down an ATP into ADP to release energy

4.

Photosynthesis takes place in the

a)

lysosome

b)

chloroplast

c)

vacuole

d)

mitochondria

5.

Which of the following is NOT required for photosynthesis to occur?

a)

sugar

b)

sunlight

c)

water

d)

carbon dioxide

6.

A lower energy molecule that can be converted to ATP by the addition of a phosphate group

a)

ADP

b)

ATP

c)

NADP+

d)

NADPH

7.

The structure in the plant that contains chlorophyll and a stack of them is known as a grana

a)

inner membrane

b)

thylakoid

c)

chloroplast

d)

mitochondria

8.

A process that captures energy from sunlight to make sugar that stores chemical energy

a)

photosynthesis

b)

cellular respiration

c)

light dependent reaction

d)

Calvin Cycle

9.

Uses energy from a previous step and takes place in the stroma to produce sugar

a)

Light dependent reactions

b)

Light independent reactions

c)

Electron transport chain

d)

photosynthesis

10.

A molecule that stores energy from the breakdown of food molecules and transfers it to cell processes

a)

ADP

b)

ATP

c)

NADPH

d)

NADP+

11.

A series of reactions that uses carbon dioxide from the atmosphere to make simple sugars

a)

Calvin cycle

b)

ATP

c)

chemosynthesis

d)

Chlorophyll

12.

Takes place in the thylakoids and captures energy from light

a)

light dependent reaction

b)

light independent reaction

c)

dark cycle

d)

Calvin cycle

13.

A process by which some organisms use chemical energy instead of light energy to make energy storing molecules

a)

chemosynthesis

b)

photosynthesis

c)

fermentation

d)

cellular respiration

14.

A molecule present in the chloroplast that absorbs light energy

a)

chlorophyll

b)

thylakoid

c)

NADPH

d)

ATP

15.

An organelle found in plant and algae cells where photosynthesis occurs

a)

chloroplast

b)

mitochondrion

c)

golgi body

d)

vesicle

16.

The tissue in a green plant where photosynthesis takes place.

a)

Stroma

b)

Mesophyll

c)

Calvin Cycle

d)

Light-Independent reactions

17.

Fluid portion of the chloroplast; outside of the thylakoids where the light independent reaction takes place

a)

Calvin Cycle

b)

Thylakoid

c)

Stroma

d)

Stomata

18.

Which phrase best describes the function of the ATP molecule?

a)

store energy

b)

carry energy

c)

absorb energy

d)

convert energy

19.

Where does the chemical energy to produce ATP come from?

a)

the conversion of ATP to ADP

b)

the use of chemicals from the environment to build sugars

c)

the addition of a phosphate group to ATP

d)

the breakdown of carbon-based molecules into smaller molecules

20.

Energy is released from an ATP molecule for cellular processes when it

a)

has a phosphate group removed.

b)

stores an extra phosphate group.

c)

adds a phosphate group to ADP.

d)

produces a sugar molecule.

21.

Which of the following is the source of energy used in chemosynthesis?

a)

sunlight

b)

heat from hydrothermal vents

c)

chemical compounds

d)

amino acids

22.

Is oxygen a product or reactant in photosynthesis?

a)

Product

b)

Reactant

23.

Is carbon dioxide a product or reactant in photosynthesis?

a)

Product

b)

Reactant

24.

Is glucose a product or reactant in photosynthesis?

a)

Product

b)

Reactant

25.

Is water a product or reactant in photosynthesis?

a)

Product

b)

Reactant

26.

Is energy a product or reactant in photosynthesis?

a)

Product

b)

Reactant

27.

Which structure is the thylakoid?

a)

C

b)

D

28.

Which structure is the stroma?

a)

C

b)

D

29.

Location of the light dependent reactions?

a)

C

b)

D

30.

Location of the light independent reactions?

a)

C

b)

D

31.

Which statement is supported by the data in the graph?

a)

The rate of oxygen production is lowest in section M.

b)

The rate of oxygen production is greatest in section M.

c)

The production of water molecules is greatest in section L.

d)

The number of carbon dioxide molecules in the beaker is greatest in section K.

32.

Which statement explains the effect of temperature on the rate of photosynthesis?

a)

Oxygen molecules break down at temperatures above 25 degrees Celsius.

b)

The rate of photosynthesis is unaffected by the temperature of the water.

c)

The number of chloroplasts in the cell decreases as temperature increases

d)

Enzymes involved with plant photosynthesis are denatured at temperatures above 25 degrees Celsius

33.

Why do leaves change color in the fall?

a)

Chlorophyll goes into hibernation for the winter

b)

Chlorophyll breaks down and accessory pigments can show through.

c)

Accessory pigments break down and chlorophyll overpowers them

d)

Accessory pigments go into hibernation for the winter