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प्रश्न
What is meant by the photolysis of water?
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उत्तर
The splitting of water molecules into two-component ions by light is known as photolysis of water.
(Photo = Light, lysis = Breaking).
H2 —> H+ + OH–
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संबंधित प्रश्न
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 |
A plant is kept in a dark cupboard for 48 hours before conducting any experiment on photosynthesis in order to
What is the importance of photosynthesis in the life of the following:
Green plants
Oxygen given out during photosynthesis comes from water. Explain this statement.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The dark reaction of Photosynthesis is light-independent.
Write the functional activity of the following structure:
Chloroplasts
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. |
Oxygen is used for the synthesis of protein and fertilizers.
The role of chlorophyll is to absorb light from the sun.
In leaves, the food is stored in the form of ______.
