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photosynthesis

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Name the green pigment that absorbs sunlight in a plant. (a)  

Choose from the below words
Chlorophyll
Chloroplast
Chlorine
Chloroform
2.

Where in a plant cell does photosynthesis occur?

a)

Nucleus

b)

Cytoplasm

c)

Chloroplast

d)

Mitochondria

3.

Name the energy rich molecule formed in the light stage.

a)

NAD

b)

NAP

c)

ADP

d)

ATP

4.

Name the products of the light dependant stage.

a)

ADP and Oxygen

b)

ATP and ADP

c)

ATP NADPH and Oxygen

d)

NADPH and electrons

5.

Name the products of the splitting of Water.

a)

Protons electrons and NADPH

b)

Chlorophyll and oxygen

c)

Carbon dioxide

d)

Electrons, protons and oxygen.

6.

Name the plant you used to investigate the rate of photosynthesis.

a)

Elodea

b)

Geranium

c)

Nettle

d)

Grass

7.

What is needed for the light independent (dark) stage? (a)  

Choose from the below words
ATP, Carbon dioxide and NADPH
Carbon dioxide and Water
Carbon dioxide and ATP
ATP, Carbon dioxide and NADP
8.

In which pathway to electrons return to chlorophyll?

a)

Pathway 1 (cyclic)

b)

Pathway 2 (non cyclic)

9.

In which pathway is NADP- formed?

a)

Pathway 1 (cyclic)

b)

Pathway 2 (non cyclic)

10.

light intensity is a biotic factor. True or False?

a)

True

b)

False

11.

How did you measure the rate of photosynthesis #?

a)

Bubbles of oxygen

b)

Bubbles of carbon dioxide

c)

Bubbles of oxygen per minute

d)

Bubbles of carbon dioxide per minute

12.

What are the reactants for photosynthesis? (a)  

Choose from the below words
Water and carbon dioxide
Water and oxygen
Water and Glucose
Water and chlorophyll
13.

Adding more carbon dioxide will...

a)

Increase the rate of photosynthesis

b)

Decrease the rate of photosynthesis

14.

Give an alternative name for the light stage.

a)

Light independent stage

b)

Light dependent stage

15.

Where does carbon dioxide enter the leaf. (a)  

Choose from the below words
Stomata
Root
Stem
Lenticle
16.

What is the function of ATP

a)

Carry electrons

b)

Carry protons and electrons

c)

Store electrons

d)

Store energy

17.

What is the function of NADP

a)

Carry electrons and oxygen

b)

Carry protons and electrons

c)

Store electrons

d)

Store energy

18.

Name the cycle of reactions in the light independent (dark) stage.

a)

Krebs cycle

b)

Hans Cycle

c)

Calvin Cycle

d)

Bi Cycle

19.

Which stage of photosynthesis is controlled by enzymes

a)

Light independent (Dark) stage

b)

Light dependant (light) Stage

20.

An organism that makes its own food is called a (a)  

Choose from the below words
Autotroph.
Heterotroph
Omnivore
Primary consumer