Transpiration in Plants

What is the structure of stomata and how does it function in transpiration?

• Stomata are located on the roots of plants. They function in transpiration by absorbing nutrients from the soil.

• Stomata are small pores on the surface of leaves. Each stoma is surrounded by two specialized cells called guard cells. They function in transpiration by opening and closing to regulate the exchange of gases and water vapor between the plant and the atmosphere.

• Stomata are tiny hairs on the surface of leaves. They function in transpiration by releasing oxygen into the atmosphere.

• Stomata are large openings on the surface of leaves. They function in transpiration by absorbing water from the atmosphere.

Tags

NGSS.MS-LS2-3

Name three factors that affect the rate of transpiration in plants.

• amount of rainfall, type of fertilizer, and time of day

• altitude, type of pot, and age of the plant

• humidity, temperature, and wind

• soil color, plant height, and leaf shape

How do plants adapt to reduce transpiration in arid environments?

• Larger leaves, thin cuticles, and raised stomata

• Smaller leaves, thick cuticles, and sunken stomata

• Shorter roots, thin stems, and wide leaves

• Increased stomata, longer stems, and narrow leaves

Explain the importance of transpiration in the process of water and nutrient uptake in plants.

• Plants can survive without transpiration

• Transpiration only helps in cooling the plant and has no impact on water and nutrient uptake

• Transpiration facilitates the uptake and transport of water and nutrients in plants.

• Transpiration has no role in water and nutrient uptake in plants

What is the role of stomata in regulating the exchange of gases during transpiration?

• Stomata open and close to regulate the exchange of gases and minimize water loss.

• Stomata release oxygen and absorb carbon dioxide

• Stomata have no role in regulating gas exchange

• Stomata only regulate water loss and not gas exchange

Discuss the impact of temperature on transpiration rate in plants.

• Transpiration rate increases with lower temperature

• Temperature affects the rate of transpiration by increasing the kinetic energy of water molecules, leading to faster evaporation from the leaves.

• Temperature has no impact on transpiration rate

• Transpiration rate decreases with higher temperature

How do plants with thick waxy cuticles reduce water loss through transpiration?

• Increasing the surface area of the leaves to allow more water to escape

• Opening stomata wider to release excess water

• Reducing the amount of water absorbed from the soil

• Creating a barrier that prevents water from escaping

Explain how transpiration helps in cooling the plant during hot weather.

• Transpiration absorbs heat from the environment

• Transpiration causes the plant to overheat

• Transpiration reduces the plant's ability to cool down

• Transpiration releases water vapor from the leaves, which cools the plant