Transpiration Test

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Transpiration Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is NOT the site for transpiration?

A
Stomata

B
Surface stems

C
Roots

D
Lenticels
Question 2
1 / -0

Which of the following factors does NOT affect the rate of transpiration?

A
CO₂ content of air

B
Water content of air

C
Oxygen content of air

D
Atmospheric pressure
Question 3
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Which of the following processes results in movement of water vapours from the surface of cell to the outside atmosphere?

A
Imbibition

B
Diffusion

C
Exosmosis

D
Active transport
Question 4
1 / -0

Which of the following is the process through which water from the aerial parts of the plant is lost?

A
Respiration

B
Photosynthesis

C
Transpiration

D
Guttation
Question 5
1 / -0

Which of the following, when increases, does not increase the rate of transpiration?

A
Intensity of sunlight

B
Temperature

C
Humidity

D
Velocity of wind
Question 6
1 / -0

Which of the following statements is NOT true?

A
Cuticle is secreted by epidermis.

B
Desert plants tend to have thicker cuticle.

C
Thickness of cuticle is directly proportional to rate of transpiration.

D
Thickness of cuticle varies from plant to plant.
Question 7
1 / -0

Which of the following is the major site for transpiration?

A
Stomata

B
Surface of branches

C
Lenticels

D
Cuticle of stem
Question 8
1 / -0

Which of the following statements is NOT true?

A
Transpiration is reduced on a cloudy day.

B
Transpiration is not affected by sunlight.

C
Stomatal transpiration does not occur at night.

D
Rate of transpiration is higher during the day.
Question 9
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Which of the following regulates the opening and closing of lenticels?

A
Turgidity and flaccidity of guard cells

B
Turgidity and flaccidity of epidermal cells

C
Amount of water in the surrounding cells

D
It is unregulated and remains open.
Question 10
1 / -0

If velocity of wind is high, more transpiration occurs.

A
If velocity of wind is high, more transpiration occurs

B
If outside temperature is low, more transpiration occurs.

C
Warm air holds more water allowing more transpiration.

D
Cold air holds less water allowing less transpiration.
Question 11
1 / -0

Which of the following adaptations could be found in plants growing in dry climate?
(i) Sunken stomata
(ii) More stomata
(iii) Fewer stomata
(iv) Wide stomata

A
Both (i) and (ii)

B
Both (ii) and (iv)

C
Both (i) and (iii)

D
Both (i) and (iv)
Question 12
1 / -0

Which of the following is the major site for transpiration in a dicot plant?

A
Stem lenticels

B
Stem cuticle

C
Upper surface of leaf

D
Under surface of leaf
Question 13
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Where are lenticels located in plants?

A
Undersurface of leaf

B
Root hair

C
Flowers

D
Older stem
Question 14
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Which of the following is the increasing order for rate of transpiration?

A
Cuticular transpiration - Lenticular transpiration - Stomatal transpiration

B
Lenticular transpiration - Cuticular transpiration - Stomatal transpiration

C
Stomatal transpiration - Lenticular transpiration - Cuticular transpiration

D
Stomatal transpiration - Cuticular transpiration - Lenticular transpiration
Question 15
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Which of the following results in wilting of leaves of some plants during mid-day?

A
Absorption of water exceeding rate of transpiration

B
Rate of transpiration exceeding absorption of water

C
Rate of photosynthesis exceeding rate of transpiration

D
Rate of transpiration exceeding rate of photosynthesis

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Transpiration Test - 1

Result

Transpiration Test - 1

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SHARING IS CARING

Question 1

Stomata

Surface stems

Roots

Lenticels

Question 2

CO2 content of air

Water content of air

Oxygen content of air

Atmospheric pressure

Question 3

Imbibition

Diffusion

Exosmosis

Active transport

Question 4

Respiration

Photosynthesis

Transpiration

Guttation

Question 5

Intensity of sunlight

Temperature

Humidity

Velocity of wind

Question 6

Cuticle is secreted by epidermis.

Desert plants tend to have thicker cuticle.

Thickness of cuticle is directly proportional to rate of transpiration.

Thickness of cuticle varies from plant to plant.

Question 7

Stomata

Surface of branches

Lenticels

Cuticle of stem

Question 8

Transpiration is reduced on a cloudy day.

Transpiration is not affected by sunlight.

Stomatal transpiration does not occur at night.

Rate of transpiration is higher during the day.

Question 9

Turgidity and flaccidity of guard cells

Turgidity and flaccidity of epidermal cells

Amount of water in the surrounding cells

It is unregulated and remains open.

Question 10

If velocity of wind is high, more transpiration occurs

If outside temperature is low, more transpiration occurs.

Warm air holds more water allowing more transpiration.

Cold air holds less water allowing less transpiration.

Question 11

Both (i) and (ii)

Both (ii) and (iv)

Both (i) and (iii)

Both (i) and (iv)

Question 12

Stem lenticels

Stem cuticle

Upper surface of leaf

Under surface of leaf

Question 13

Undersurface of leaf

Root hair

Flowers

Older stem

Question 14

Cuticular transpiration - Lenticular transpiration - Stomatal transpiration

Lenticular transpiration - Cuticular transpiration - Stomatal transpiration

Stomatal transpiration - Lenticular transpiration - Cuticular transpiration

Stomatal transpiration - Cuticular transpiration - Lenticular transpiration

Question 15

Absorption of water exceeding rate of transpiration

CO₂ content of air