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प्रश्न
Explain the term Photosynthetic Membrane.
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उत्तर
Photosynthetic Membrane: A bilayer of lipid molecules in which are embedded proteins that transform light’energy into chemical free energy. (Also known as the thylakoid membrane.)
संबंधित प्रश्न
Give biological reasons for the following statements : In some xerophytes leaves are modified into spines
Name the following:
The cell organelle responsible for photosynthesis.
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.
Why was the plant kept in the dark before the experiment?
Give technical term:
What does NADP stand for?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A variegated leaf (one that has green as well as white patches) will only photosynthesize in the green areas.
Choose the Odd One Out
Choose the Correct Answer:
NADP is expanded as
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Grana | (a) | Decomposers |
| (ii) | Autotrophs | (b) | Light reaction |
| (iii) | By-products of photosynthesis | (c) | Animals |
| (iv) | Photolysis | (d) | Oxygen |
| (v) | Bacteria and fungi | (e) | Stimulated by light |
| (vi) | Chloroplast | (f) | Power |
| (vii) | Oxygen and water | (g) | Raw material |
| (viii) | Sunlight | (h) | Machinery |
| (ix) | CO2 and water | (i) | End products |
| (x) | Glucose (sugar) | (j) | Workrooms |
| (xi) | Cells in the leaf | (k) | By-products. |
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
Why should the light-dependent reaction occur before the light-independent reaction?
