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प्रश्न
Write the functional activity of the following structure:
Stroma
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उत्तर
Stroma: Dark reaction of photosynthesis.
संबंधित प्रश्न
Given below is an experimental setup to demonstrate a particular tropic movement in germinating seeds. Study the diagram and answer the questions that follow:
- Label the parts 1 and 2.
- Name the tropic movement shown by part 1.
- Part 1 is affected by two stimuli. Name them. Which one of the two is stronger?
- What is thigmotropism? Give one example.
- What is meant by 'Positive' and 'Negative' tropic movements in plants?
Distinguish between the following:
Photosynthesis and photophosphorylation.
What is meant by photosynthesis? Why is it so important in nature?
Match the terms of column I with those in column II:
| Column I | Column II |
| (i) Stomata closed | (a) decomposers |
| (ii) Autotrophs | (b) light reaction |
| (iii) By-products of photosynthesis | (c) animals |
| (iv) Photolysis | (d) during night |
| (v) Bacteria and fungi | (e) green plants |
| ( f) oxygen |
The production of starch, and not glucose, is often used as a measure of photosynthesis in leaves because
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
What aspect of photosynthesis was being investigated?
Name the molecules which are called assimilatory power? Why are they called so?
Choose the correct option.
A cell that lacks chloroplast does not ______.
Which one of the following is a primary producer?
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
