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प्रश्न
Photosynthesis is considered as a process supporting all life on earth.
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उत्तर
This process produces food and releases oxygen, both of which are necessary to maintain life on earth.
संबंधित प्रश्न
Give biological explanations for Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered.
Name the following:
Three organisms that cannot prepare their own food by photosynthesis.
How do non-green plants such as fungi and bacteria obtain their nourishment?
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Explain the term Phosphorylation.
Name the following:
The process by which plants produce their food.
Give technical term:
Name the tissue that transports manufactured starch from the leaves to all parts of the plant.
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. |
To which directional stimuli do
- roots respond
- shoots respond?
Plants utilize only ______% of the absorbed water for photosynthesis and the other activities.
