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Photosynthesis

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which process fulfills the carbon and energy requirements of autotrophic organisms?

a)

Fermentation

b)

Photosynthesis

c)

Oxidation

d)

Respiration

2.

What are the substances taken in by autotrophs for photosynthesis?

a)

Methane and Ethanol

b)

Oxygen and Nitrogen

c)

Carbon Dioxide and Water

d)

Hydrogen and Helium

3.

What is the stored form of carbohydrates in plants?

a)

Starch

b)

Glucose

c)

Sucrose

d)

Fructose

4.

Which organelle in plant cells contains chlorophyll?

a)

Mitochondria

b)

Endoplasmic Reticulum

c)

Chloroplast

d)

Nucleus

5.

What is the function of guard cells in plants?

a)
Help in photosynthesis
b)
Transport water and nutrients
c)
Store excess water
d)
Regulate stomatal opening and closing
6.

What is used to absorb carbon dioxide in the experiment described?

a)

Potassium Chloride

b)

Sodium Hydroxide

c)

Potassium Hydroxide

d)

Calcium Carbonate

7.

What is the form in which nitrogen is taken up by plants?

a)

Ammonia

b)

Nitrates

c)

Nitrites

d)

Nitrogen Gas

8.

What is the process by which plants convert light energy into chemical energy?

a)

Respiration

b)

Photosynthesis

c)

Fermentation

d)

Oxidation

9.

Which pigment is responsible for the green color of plants?

a)

Carotene

b)

Anthocyanin

c)

Chlorophyll

d)

Xanthophyll

10.

Which gas is released as a byproduct of photosynthesis?

a)

Oxygen

b)

Carbon Dioxide

c)

Nitrogen

d)

Methane