Homeostasis and Stomata in Plants

What is the primary function of stomata in plant leaves?

• To absorb nutrients from the soil

• To allow carbon dioxide to enter and oxygen and water vapor to exit

• To store water for the plant

• To protect the plant from herbivores

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do plants primarily respond to high temperatures in terms of stomatal behavior?

• Stomata open wider

• Stomata close to conserve water

• Stomata remain unchanged

• Stomata increase in number

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NGSS.HS-LS1-3

What effect do low moisture levels have on stomata?

• Stomata open wider

• Stomata close to reduce water loss

• Stomata increase in number

• Stomata decrease in number

Which of the following best describes homeostasis in plants?

• The process of photosynthesis

• The ability to maintain internal stability by responding to environmental conditions

• The growth of roots towards water

• The production of flowers and fruits

Why is it important for stomata to regulate the amount of water exiting the plant?

• To prevent the plant from becoming too heavy

• To ensure the plant has enough water for its functions and support

• To increase the rate of photosynthesis

• To attract pollinators

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NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What happens to stomata when the air temperature is low?

• Stomata open wider

• Stomata close to conserve heat

• Stomata remain unchanged

• Stomata increase in number

Which environmental condition is NOT directly mentioned as affecting stomatal function?

• Air temperature

• Precipitation amounts

• Soil pH

• Moisture levels

What is the consequence for a plant if its stomata remain closed for too long?

• The plant will overheat

• The plant will not be able to take in carbon dioxide and will die

• The plant will grow faster

• The plant will produce more flowers

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NGSS.MS-LS1-6

NGSS.MS-LS1-5

How do plants maintain homeostasis in response to changing environmental conditions?

• By altering the number of leaves

• By adjusting the opening and closing of stomata

• By changing the color of their leaves

• By growing taller

What is the role of carbon dioxide in plant leaves?

• It is used to produce oxygen

• It is vital for photosynthesis

• It helps in the absorption of water

• It protects the plant from pests

Tags

NGSS.MS-LS1-6