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Photosynthesis

Total questions: 22

Worksheet time: 9mins

Name
Class
Date
1.

Thylakoids are stacks of flattened sacs in a chloroplast.

a)

True

b)

False

2.

All photosynthesis takes place in chloroplasts.

a)

true

b)

false

3.

The chemical formula for glucose is

a)

C6H12O6

b)

C12H6O12

c)

C6H6O12

d)

none of the above

4.

Types of organisms that carry out photosynthesis include

a)

bacteria

b)

algae

c)

plants

d)

all of the above

5.

The function of thylakoids is to

a)

capture light energy.

b)

produce glucose molecules.

c)

release energy from ATP and NADPH.

d)

all of the above

6.

The first stage of photosynthesis requires

a)

carbon dioxide.

b)

water.

c)

oxygen

d)

none of the above

7.

The second stage of photosynthesis requires

a)

light

b)

oxygen

c)

water

d)

carbon dioxide

8.

What is the function of stomata in plant leaves?

a)

They let leaves exchange gases with the air.

b)

They absorb light from the sun.

c)

They allow water to enter the leaves.

d)

none of the above none of the above

9.

any organism that uses energy to make glucose

a)

light reactions

b)

heterotroph

c)

chloroplast

d)

autotroph

10.

second stage of photosynthesis

a)

Calvin cycle

b)

chemical

c)

heterotroph

d)

light reactions

11.

form of energy needed to fuel life processes in all living things

a)

chloroplast

b)

heterotroph

c)

chemical

d)

Calvin cycle

12.

plant organelle where photosynthesis takes place

a)

heterotroph

b)

chloroplast

c)

light reactions

d)

light

13.

form of energy needed for photosynthesis

a)

heterotroph

b)

Calvin cycle

c)

autotroph

d)

light

14.

any organism that obtains energy from other living things

a)

light reactions

b)

heterotroph

c)

autotroph

d)

chloroplast

15.

first stage of photosynthesis

a)

light reactions

b)

Calvin cycle

c)

autotroph

d)

heterotroph

16.

The nearly universal food for living things is the sugar (a)   .

17.

 (a)   is the green pigment in plants and algae that absorbs light.

18.

The substances needed for photosynthesis are carbon dioxide and (a)  

19.

The products of photosynthesis are glucose and (a)   .

20.

The fluid-filled space surrounding thylakoids is called the (a)   .

21.

The first stage of photosynthesis takes place in the (a)   of chloroplasts

22.

The second stage of photosynthesis takes place in the (a)   of chloroplasts