Photosynthesis Test

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Photosynthesis Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is the main function of stomata?

A
Intake of CO₂

B
Intake of water

C
Release of oxygen

D
Release of CO₂
Question 2
1 / -0

Which of the following is/are the site for Hill's reaction?

A
Mitochondria

B
Thylakoids

C
Stroma

D
Cell wall
Question 3
1 / -0

What type of reaction occurs in Hill`s reaction?

A
Polymerisation

B
Photolysis

C
Photosynthesis

D
Biosynthesis
Question 4
1 / -0

Which of the following is site for Calvin cycle in chloroplasts?

A
Thylakoids

B
Grana

C
Stroma

D
Chlorophyll
Question 5
1 / -0

Which of the following is not the storage form of glucose in plants?

A
Glycogen

B
Starch

C
Sucrose

D
Oil
Question 6
1 / -0

How does increase in concentration of CO₂ affect rate of photosynthesis when the intensity of light is increased?

A
It uniformly increases rate of photosynthesis.

B
It initially increases rate of photosynthesis but gets stablized after a certain point.

C
It initially increases rate of photosynthesis and then decreases after a certain point.

D
It decreases rate of photosynthesis uniformly.
Question 7
1 / -0

Which of the following processes does not add CO₂ into atmosphere?

A
Respiration

B
Combustion

C
Transpiration

D
Decomposition
Question 8
1 / -0

Which of the following statements is true?

A
Chlorophyll is present in stroma of chloroplasts.

B
Piles of grana form thylakoids.

C
There may be 400-500 chloroplasts in a cell.

D
Closely packed flattened sacs in chloroplast are thylakoids.
Question 9
1 / -0

Why is starch used as a measure of photosynthesis in leaves?

A
Because it is an immediate product of photosynthesis.

B
Because glucose formed is rapidly converted into starch.

C
Because starch is soluble in water.

D
Because glucose is insoluble in water.
Question 10
1 / -0

Why is chlorophyll required in leaf?

A
To emit green light

B
To store starch

C
To trap light energy

D
To trap chemical energy
Question 11
1 / -0

Which of the following statements is NOT true?

A
Chlorophyll is destroyed by too much light.

B
No transpiration occurs during photosynthesis.

C
Chlorophyll a and b are most abundant out of all nine types.

D
Chloroplasts are not present in every cell of a leaf.
Question 12
1 / -0

Which of the following statements is NOT true for stomata?

A
Stomata are closed during night.

B
Guard cells are devoid of chloroplasts.

C
Transpiration occurs through stomata.

D
Movement of water in guard cells regulates the opening and closing of stomata.
Question 13
1 / -0

How does the rate of photosynthesis vary with increasing light intensity?

A
It increases continuously till light energy is available.

B
It increases and then decreases after a certain point.

C
It increases initially and then gets stabilised at certain point.

D
It remains uniform with increasing light intensity.
Question 14
1 / -0

Which of the following colours is absorbed by chlorophyll molecules?

A
Blue

B
Green

C
Yellow

D
Violet
Question 15
1 / -0

In plant cell, biosynthetic phase occurs in

A
cytoplasm

B
chloroplasts

C
mitochondria

D
nucleus
Question 16
1 / -0

A plant was kept in varying conditions of light, humidity, temperature and CO₂ concentration. Which of the following conditions will show no change in the rate of photosynthesis?

A
Light intensity

B
Humidity

C
Temperature

D
CO₂ concentration

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Photosynthesis Test - 3

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Photosynthesis Test - 3

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SHARING IS CARING

Question 1

Intake of CO2

Intake of water

Release of oxygen

Release of CO2

Question 2

Mitochondria

Thylakoids

Stroma

Cell wall

Question 3

Polymerisation

Photolysis

Photosynthesis

Biosynthesis

Question 4

Thylakoids

Grana

Stroma

Chlorophyll

Question 5

Glycogen

Starch

Sucrose

Oil

Question 6

It uniformly increases rate of photosynthesis.

It initially increases rate of photosynthesis but gets stablized after a certain point.

It initially increases rate of photosynthesis and then decreases after a certain point.

It decreases rate of photosynthesis uniformly.

Question 7

Respiration

Combustion

Transpiration

Decomposition

Question 8

Chlorophyll is present in stroma of chloroplasts.

Piles of grana form thylakoids.

There may be 400-500 chloroplasts in a cell.

Closely packed flattened sacs in chloroplast are thylakoids.

Question 9

Because it is an immediate product of photosynthesis.

Because glucose formed is rapidly converted into starch.

Because starch is soluble in water.

Because glucose is insoluble in water.

Question 10

To emit green light

To store starch

To trap light energy

To trap chemical energy

Question 11

Chlorophyll is destroyed by too much light.

No transpiration occurs during photosynthesis.

Chlorophyll a and b are most abundant out of all nine types.

Chloroplasts are not present in every cell of a leaf.

Question 12

Stomata are closed during night.

Guard cells are devoid of chloroplasts.

Transpiration occurs through stomata.

Movement of water in guard cells regulates the opening and closing of stomata.

Question 13

It increases continuously till light energy is available.

It increases and then decreases after a certain point.

It increases initially and then gets stabilised at certain point.

It remains uniform with increasing light intensity.

Question 14

Blue

Green

Yellow

Violet

Question 15

cytoplasm

Intake of CO₂

Release of CO₂

CO₂ concentration