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Question
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process Guard cells.
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Solution
Guard cells: They regulate the opening and closing of stomata and thus regulate the entry of carbon dioxide through the stomata.
RELATED QUESTIONS
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
Mention one difference between the following on the basis of what is given in bracket.
Chlorophyll and chloroplast (part of plant cell)
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A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
What aspect of photosynthesis was being tested?
Why Is Photosynthesis Important in Nature?
Choose the correct answer:
Chlorophyll is present
Write the overall chemical equation for photosynthesis.
Given below is the figure of an experimental set-up, showing a physiological act of the plants. Study and answer the following questions:
- What is the objective of this experiment?
- Name and define the process shown here.
- Why do we destarch the leaves before performing the experiment?
- How do we destarch the leaves?
- What will be the observation when we pour iodine solution over the bleached experimental leaf?
- Write a well-balanced equation for the above process.
