Transpiration in Plants Test

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Transpiration in Plants Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Common type of transpiration is ____________.

A
stomatal

B
culticular

C
lenticular

D
foliar
Question 2
1 / -0

Stomata in submerged plants are _______.

A
present but not functional

B
absent

C
present only in very few numbers

D
present on both sides
Question 3
1 / -0

Transpiration pull will be maximum under which of the following conditions?

A
Open stomata, high humid atmosphere and well irrigated soil

B
Open stomata, high humidity in atmosphere and dry soil

C
Open stomata, dry atmosphere and moist soil

D
Closed stomata, dry atmosphere and dry soil
Question 4
1 / -0

The loss of water in the form of water vapours from the exposed aerial parts of the plant is known as _____________.

A
evaporation

B
guttation

C
transpiration

D
bleeding
Question 5
1 / -0

Which of the following is the most likely cause for wider opening of stomata?

A
When the atmosphere is less saturated.

B
When suction of salt molecules by adjacent guard cells takes place.

C
When water molecules enter the guard cells.

D
When the night temperature falls.
Question 6
1 / -0

The rate of transpiration during a stormy and cloudy day is _________.

A
very high

B
high

C
low

D
nil
Question 7
1 / -0

Transpiration is mainly a process of ___________.

A
osmotic potential

B
imbibition

C
diffusion

D
respiration
Question 8
1 / -0

The most effective light for stomatal opening is _________.

A
green

B
yellow

C
blue

D
red
Question 9
1 / -0

Water lost in transpiration is _____.

A
pure water

B
rich in dissolved salts

C
rich in dissolved minerals

D
rich in solutes
Question 10
1 / -0

Presence of stomata on the undersurface of dorsiventral leaf will ________.

A
reduce the rate of transpiration

B
properly regulate the transpiration

C
protect the leaf from dust

D
increase the rate of transpiration
Question 11
1 / -0

The rate of transpiration decreases with increase in ___________.

A
wind

B
width of stomatal pores

C
temperature

D
humidity
Question 12
1 / -0

Maximum transpiration takes place from _____________________.

A
stem

B
leaves

C
roots

D
flowers and fruits
Question 13
1 / -0

Stomata controls the exchange of ________.

A
water vapours only

B
water vapours and CO₂

C
CO₂ only

D
N₂ and CO2
Question 14
1 / -0

Which of the following epistomatous leaves would dry up last?

A
Leaves with both surfaces ungreased

B
Leaves with both surfaces greased

C
Leaves with upper surface greased

D
Leaves with lower surface greased
Question 15
1 / -0

Which of the following is a correct statement?

A
Transpiration is partly physical and partly physiological process.

B
Transpiration is influenced by only environmental conditions.

C
Transpiration depends upon absorption of water and does not use energy.

D
Transpiration is a rapid biological process.

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Re-Attempt Weekly Quiz Competition

Transpiration in Plants Test - 1

Result

Transpiration in Plants Test - 1

Score

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Rank

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SHARING IS CARING

Question 1

stomatal

culticular

lenticular

foliar

Question 2

present but not functional

absent

present only in very few numbers

present on both sides

Question 3

Open stomata, high humid atmosphere and well irrigated soil

Open stomata, high humidity in atmosphere and dry soil

Open stomata, dry atmosphere and moist soil

Closed stomata, dry atmosphere and dry soil

Question 4

evaporation

guttation

transpiration

bleeding

Question 5

When the atmosphere is less saturated.

When suction of salt molecules by adjacent guard cells takes place.

When water molecules enter the guard cells.

When the night temperature falls.

Question 6

very high

high

low

nil

Question 7

osmotic potential

imbibition

diffusion

respiration

Question 8

green

yellow

blue

red

Question 9

pure water

rich in dissolved salts

rich in dissolved minerals

rich in solutes

Question 10

reduce the rate of transpiration

properly regulate the transpiration

protect the leaf from dust

increase the rate of transpiration

Question 11

wind

width of stomatal pores

temperature

humidity

Question 12

stem

leaves

roots

flowers and fruits

Question 13

water vapours only

water vapours and CO2

CO2 only

N2 and CO2

Question 14

Leaves with both surfaces ungreased

Leaves with both surfaces greased

Leaves with upper surface greased

Leaves with lower surface greased

Question 15

Transpiration is partly physical and partly physiological process.

water vapours and CO₂

CO₂ only

N₂ and CO2