2.3

Question 1

What is the main organ for transpiration in plants?

Answer 1

Leaves

Question 2

True or False: Transpiration primarily occurs in the roots of plants.

Answer 2

False

Question 3

Fill in the blank: Transpiration helps in the ______ of water and nutrients in plants.

Answer 3

transport

Question 4

What is the process by which water vapor is lost from plant leaves?

Answer 4

Transpiration

Question 5

Which structures in leaves are primarily involved in transpiration?

Answer 5

Stomata

Question 6

Multiple Choice: Which factor does NOT affect the rate of transpiration? (A) Temperature (B) Humidity (C) Soil pH (D) Wind speed

Answer 6

C) Soil pH

Question 7

What role do guard cells play in transpiration?

Answer 7

They regulate the opening and closing of stomata.

Question 8

True or False: Transpiration can help cool the plant.

Answer 8

True

Question 9

What is the term for the loss of water vapor from the aerial parts of a plant?

Answer 9

Evapotranspiration

Question 10

Fill in the blank: The rate of transpiration increases with higher ______.

Answer 10

temperature

Question 11

Multiple Choice: Which of the following conditions would likely increase transpiration? (A) High humidity (B) Low temperature (C) High wind speed (D) Wet soil

Answer 11

C) High wind speed

Question 12

What happens to transpiration rates when stomata are closed?

Answer 12

Transpiration rates decrease.

Question 13

What is the main purpose of transpiration for plants?

Answer 13

To facilitate nutrient uptake and maintain temperature.

Question 14

True or False: All plants transpire at the same rate.

Answer 14

False

Question 15

What environmental factor is most directly linked to the opening of stomata?

Answer 15

Light

Question 16

What is the relationship between transpiration and photosynthesis?

Answer 16

Transpiration helps in the uptake of CO2 for photosynthesis.

Question 17

Fill in the blank: Plants lose water primarily through their ______.

Answer 17

leaves

Question 18

Multiple Choice: Which type of plant typically has a higher rate of transpiration? (A) Succulents (B) Cacti (C) Deciduous trees (D) Grasses

Answer 18

C) Deciduous trees

Question 19

What is the term for the water potential gradient that drives water movement in plants?

Answer 19

Transpirational pull

Question 20

True or False: Transpiration can affect local weather patterns.

Answer 20

True

Question 21

How does humidity affect the rate of transpiration?

Answer 21

Higher humidity reduces the rate of transpiration.

Question 22

What is the role of xylem in relation to transpiration?

Answer 22

Xylem transports water from roots to leaves.

Question 23

Fill in the blank: The loss of water through transpiration creates a negative pressure that aids in the ______ of water.

Answer 23

pulling

Question 24

What adaptation helps reduce transpiration in desert plants?

Answer 24

Thick cuticles and reduced leaf surface area.

Question 25

Multiple Choice: Which type of climate would generally have the highest rate of transpiration? (A) Tropical (B) Arctic (C) Desert (D) Temperate

Answer 25

A) Tropical

Question 26

True or False: Transpiration is only beneficial for plants.

Answer 26

False

Question 27

What is a common effect of excessive transpiration on plants?

Answer 27

Wilting or dehydration

Question 28

The higher the light intensity?

Answer 28

The higher the rate of transpiration (until it become constant)

Question 29

The lower relative air humidity of the surrounding atmosphere?

Answer 29

The faster the water vapours escapes from the stomata. (high transpiration)

Question 30

The higher the temperature?

Answer 30

The higher the rate of transpiration

Question 31

The faster the air movement?

Answer 31

The faster the rate of transpiration