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प्रश्न
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?
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उत्तर
The student wanted to show that sunlight is necessary for photosynthesis. / The role of sunlight in photosynthesis is being investigated.
संबंधित प्रश्न
Give biological reasons for the following statements : In some xerophytes leaves are modified into spines
Choose the correct answer:
The process of photosynthesis occurs by _________
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Explain, why respiration is said to be a reversed process of photosynthesis?
Explain the term Phosphorylation.
Complete the following sentence with appropriate word:
Xanthophyll is ______ coloured pigment.
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. |
During photosynthesis, ________ is produced and stored in the leaf.
Give an example for micronutrients.
Mention four factors required for photosynthesis?
