Photosynthesis Test

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Photosynthesis Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

What is the specific function of light energy in photosynthesis?

A
Reduction of CO₂

B
Synthesis of glucose

C
Activation of chloroplast

D
Splitting of water molecules
Question 2
1 / -0

Which of the following is NOT an adaptation in leaf for photosynthesis?

A
Even distribution of chloroplasts in all the layers of leaf

B
Arrangement of leaf at right angles to light source

C
Numerous stomata to allow rapid exchange of gases

D
Large surface area of leaves for maximum light absorption
Question 3
1 / -0

Which of the following is required by plants for respiration?

A
CO₂

B
H₂O

C
O₂

D
Sunlight
Question 4
1 / -0

A plant is kept at 15°C, 25°C, 35°C, 45°C, respectively under sunlight. The plant will synthesised the maximum amount of starch at

A
15°C

B
25°C

C
35°C

D
45°C
Question 5
1 / -0

Which of the following autotrophic organisms do(es) not utilise sunlight for preparation of food?

A
Blue-green algae

B
Algae

C
Sulphur bacteria

D
Hydra
Question 6
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How many molecules of water are required to generate one molecule of glucose in photosynthesis?

A
6

B
12

C
18

D
24
Question 7
1 / -0

Which of the following is the source of oxygen, which is incorporated in glucose molecule during photosynthesis?

A
CO₂

B
H₂O

C
Both CO₂ and H₂O

D
O₂ from air
Question 8
1 / -0

Which of the following is/are essential to carry out photochemical phase of photosynthesis?

A
Mitochondria

B
ATP

C
NADPH

D
Chlorophyll
Question 9
1 / -0

Which of the following is the end product in dark reaction?

A
NADPH

B
Glucose

C
ATP

D
Oxygen
Question 10
1 / -0

Which of the following is a by-product of photosynthesis and acts as a raw material for respiration?

A
Carbon dioxide

B
Starch

C
Oxygen

D
Water

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Photosynthesis Test - 1

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Photosynthesis Test - 1

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SHARING IS CARING

Question 1

Reduction of CO2

Synthesis of glucose

Activation of chloroplast

Splitting of water molecules

Question 2

Even distribution of chloroplasts in all the layers of leaf

Arrangement of leaf at right angles to light source

Numerous stomata to allow rapid exchange of gases

Large surface area of leaves for maximum light absorption

Question 3

CO2

H2O

O2

Sunlight

Question 4

15°C

25°C

35°C

45°C

Question 5

Blue-green algae

Algae

Sulphur bacteria

Hydra

Question 6

6

12

18

24

Question 7

CO2

H2O

Both CO2 and H2O

O2 from air

Question 8

Mitochondria

ATP

NADPH

Chlorophyll

Question 9

NADPH

Glucose

ATP

Oxygen

Question 10

Carbon dioxide

Starch

Oxygen

Water

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Reduction of CO₂

CO₂

H₂O

O₂

CO₂

H₂O

Both CO₂ and H₂O

O₂ from air