Multiple Choice
Which organelle is responsible for photosynthesis in plant cells?
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9. Photosynthesis
Introduction to Photosynthesis
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the context of photosynthesis, which role do plants play in the water cycle?
A
They convert water into oxygen and hydrogen gas.
B
They use water to produce glucose and store it as starch.
C
They store water in their leaves for use during dry periods.
D
They absorb water from the soil and release it as vapor through transpiration.
Verified step by step guidance1
Understand the process of photosynthesis: Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll. It involves the intake of carbon dioxide and water, and the release of oxygen.
Identify the role of water in photosynthesis: Water is absorbed by the roots from the soil and is transported to the leaves where it is used in the photosynthesis process to produce glucose and oxygen.
Recognize the process of transpiration: Transpiration is the process by which water absorbed by plants is evaporated into the atmosphere from the plant surface, mainly through small openings in the leaves called stomata.
Connect transpiration to the water cycle: In the water cycle, plants play a crucial role by absorbing water from the soil and releasing it back into the atmosphere as water vapor through transpiration.
Conclude the role of plants in the water cycle: Plants contribute to the water cycle by absorbing water from the soil and releasing it as vapor through transpiration, which is essential for maintaining atmospheric moisture levels.
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