Question 1

What is the main pigment involved in photosynthesis?

Accepted Answer

Chlorophyll

Answer

Carotene

Answer

Phycobilin

Answer

Xanthophyll

Question 2

In which part of the plant does photosynthesis primarily occur?

Accepted Answer

Leaves

Answer

Roots

Answer

Flowers

Answer

Stems

Question 3

What are the two main stages of photosynthesis?

Accepted Answer

Light-dependent reactions and Calvin cycle

Answer

Electron transport chain and Calvin cycle

Answer

Light-dependent and light-independent reactions

Answer

Glycolysis and Krebs cycle

Question 4

What gas is used by plants during photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Hydrogen

Answer

Nitrogen

Question 5

Which process occurs first in photosynthesis?

Accepted Answer

Light-dependent reactions

Answer

Glycolysis

Answer

Fermentation

Answer

Calvin cycle

Question 6

What is the main product of the Calvin cycle?

Accepted Answer

Glucose

Answer

ATP

Answer

Oxygen

Answer

NADPH

Question 7

What is the role of water in photosynthesis?

Accepted Answer

To provide electrons and protons

Answer

To release oxygen

Answer

To produce glucose

Answer

To absorb carbon dioxide

Question 8

What type of organisms perform photosynthesis?

Accepted Answer

Autotrophs

Answer

Heterotrophs

Answer

Decomposers

Answer

Mixotrophs

Question 9

What byproduct is released during the light-dependent reactions of photosynthesis?

Accepted Answer

Oxygen

Answer

Nutrients

Answer

Glucose

Answer

Carbon dioxide

Question 10

How do plants capture sunlight for photosynthesis?

Accepted Answer

Through chloroplasts containing chlorophyll

Answer

Through their roots

Answer

By using their flowers

Answer

By absorbing water

Question 11

During which stage of photosynthesis is glucose produced?

Accepted Answer

Calvin Cycle

Answer

Light Reactions

Answer

Electron Transport Chain

Answer

Photolysis

Question 12

What type of organisms perform photosynthesis?

Accepted Answer

Autotrophs

Answer

Heterotrophs

Answer

Carnivores

Answer

Decomposers

Question 13

What is the formula for photosynthesis?

Accepted Answer

6CO2 + 6H2O + light energy -> C6H12O6 + 6O2

Answer

O2 + Glucose -> CO2 + H2O

Answer

CO2 + H2O -> O2 + Glucose

Answer

C6H12O6 + 6O2 -> 6CO2 + 6H2O + light energy

Question 14

Which two factors are essential for photosynthesis to occur?

Accepted Answer

Light and Carbon Dioxide

Answer

Heat and Pressure

Answer

Oxygen and Water

Answer

Nutrients and Soil

Question 15

What is the main purpose of photosynthesis in plants?

Accepted Answer

To convert light energy into chemical energy

Answer

To produce carbon dioxide

Answer

To store nutrients in roots

Answer

To absorb water from the soil

Question 16

Which molecule is the primary energy carrier produced during photosynthesis?

Accepted Answer

ATP

Answer

Glucose

Answer

ADP

Answer

NADP+

Question 17

What gas is produced as a byproduct of photosynthesis?

Accepted Answer

Oxygen

Answer

Carbon Dioxide

Answer

Nitrogen

Answer

Hydrogen

Question 18

In which part of the plant does photosynthesis primarily take place?

Accepted Answer

Leaves

Answer

Flowers

Answer

Stems

Answer

Roots

Question 19

What is the main pigment involved in photosynthesis?

Accepted Answer

Chlorophyll

Answer

Xanthophyll

Answer

Chloroplast

Answer

Carotene

Question 20

What is the formula for photosynthesis?

Accepted Answer

6CO2 + 6H2O + light energy → C6H12O6 + 6O2

Answer

6O2 + 6H2O → C6H12O6 + 6CO2

Answer

C6H12O6 + 6O2 → 6CO2 + 6H2O

Answer

C6H12O6 + 6CO2 → 6H2O + light energy

Question 21

Which type of organisms perform photosynthesis?

Accepted Answer

Plants and some algae

Answer

Animals

Answer

Bacteria

Answer

Fungi

Question 22

What is the main sugar produced by photosynthesis?

Accepted Answer

Glucose

Answer

Sucrose

Answer

Galactose

Answer

Fructose

Question 23

What role do sunlight and water play in photosynthesis?

Accepted Answer

They are reactants that provide energy and electrons.

Answer

They are waste materials

Answer

They are products of photosynthesis

Answer

They are not involved in the process

Question 24

What is produced as a byproduct of photosynthesis?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Water

Answer

Glucose

Question 25

What gas do plants take in during photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Nitrogen

Answer

Hydrogen

Answer

Oxygen

Question 26

In which organelle does photosynthesis occur?

Accepted Answer

Chloroplast

Answer

Ribosome

Answer

Mitochondria

Answer

Nucleus

Question 27

Which pigment is most important for photosynthesis in plants?

Accepted Answer

Chlorophyll

Answer

Carotene

Answer

Melanin

Answer

Xanthophyll

Question 28

What is the primary function of photosynthesis?

Accepted Answer

To convert light energy into chemical energy.

Answer

To produce oxygen as waste

Answer

To absorb carbon dioxide

Answer

To generate heat energy

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