Quiz Questions On Transpiration In Plants! Trivia
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What does the shiny waxy cuticle at the top of the leaf do?
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Reduces transpiration
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Helps prevent wilting
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Minimizes water loss
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Reduces carbon dioxide absorption
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Explore the fascinating process of transpiration in plants with this trivia quiz! Understand the role of the waxy cuticle, stomata functions, and how environmental factors like light and temperature affect transpiration rates. Perfect for enhancing knowledge on plant physiology and environmental interactions.
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- 2.
Where does the water evaporate in the leaf
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At the waxy cuticle
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At the surfaces of the mesophyll cells
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In the sunlight
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At the stomata
Correct Answer
A. At the stomataExplanation
Stomata are tiny openings located on the surface of leaves, primarily on the underside in most plants. They regulate gas exchange by opening and closing, allowing water vapor to escape during transpiration and carbon dioxide to enter for photosynthesis. While evaporation does occur at the surfaces of the mesophyll cells, the water vapor primarily exits the leaf through the stomata, making them the critical point for evaporation in the leaf structure.Rate this question:
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- 3.
Water vapor diffuses through the leaf and exits the plant through the ______
Correct Answer
stomata
stomaExplanation
Water vapor diffuses through the leaf and exits the plant through the stomata, which are small openings on the surface of leaves. These stomata allow for the exchange of gases, including the release of water vapor during transpiration. The singular form of stomata is stoma.Rate this question:
- 4.
Why do plants transpire anyway?
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Enhances mineral uptake
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Allows carbon dioxide to enter for photosynthesis
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Keeps leaves cool
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Allows it to suck up more water from roots
Correct Answer(s)
A. Enhances mineral uptake
A. Allows carbon dioxide to enter for photosynthesis
A. Keeps leaves cool
A. Allows it to suck up more water from rootsExplanation
Plants transpire to enhance mineral uptake, allow carbon dioxide to enter for photosynthesis, keep leaves cool, and allow them to suck up more water from the roots. Transpiration helps in the movement of water and nutrients from the roots to the rest of the plant. It also facilitates the exchange of gases, allowing carbon dioxide to enter the leaves for photosynthesis. Transpiration also helps in cooling the leaves, preventing overheating and damage. Additionally, transpiration creates a suction force that helps in the absorption of water and minerals from the roots.Rate this question:
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- 5.
As light intensity increases, the transpiration rate ________. The stomata _____ to allow more carbon dioxide into the leaf for photosynthesis.
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Increases, close
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Decreases, open
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Decreases, close
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Increases, open
Correct Answer
A. Increases, openExplanation
As light intensity increases, the transpiration rate increases. This is because light stimulates the opening of stomata, which allows for more water vapor to escape from the leaf through transpiration. Additionally, the increase in light intensity also triggers an increase in photosynthesis, which requires more carbon dioxide. To facilitate this, the stomata open wider to allow more carbon dioxide into the leaf for photosynthesis.Rate this question:
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- 6.
As temperature increases, transpiration speed ________. Evaporation and diffusion are _______ at higher temperatures.
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Increases, slower
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Decreases, faster
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Decreases, slower
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Increases, faster
Correct Answer
A. Increases, fasterExplanation
As temperature increases, transpiration speed increases. This is because higher temperatures increase the rate of evaporation and diffusion, leading to faster transpiration.Rate this question:
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- 7.
Transpiration is _______ in windy conditions. Water vapor is removed ______ by air movement speeding up diffusion of more water vapor out of the leaf.
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Faster, quickly
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Slower, quickly
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Faster, slowly
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Slower, slowly
Correct Answer
A. Faster, quicklyExplanation
In windy conditions, transpiration is faster because the air movement speeds up the diffusion of water vapor out of the leaf. The wind helps to carry away the water vapor quickly, leading to a higher rate of transpiration.Rate this question:
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- 8.
Transpiration is _______ in humid conditions. Diffusion of water vapor out of leaf ____ ____ if the leaf is already surrounded by moist air.
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Slower, slows down
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Slower, speeds up
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Faster, slows down
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Faster, speeds up
Correct Answer
A. Slower, slows downExplanation
In humid conditions, the air is already saturated with moisture, which means there is a high concentration of water vapor in the air. As a result, the rate of diffusion of water vapor out of the leaf slows down because there is less of a concentration gradient between the leaf and the surrounding air. This causes transpiration, the process by which water evaporates from the leaves, to be slower.Rate this question:
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Current Version
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May 10, 2024Quiz Edited by
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Feb 18, 2016Quiz Created by
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