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प्रश्न
Identify true statement regarding light reaction of photosynthesis.
पर्याय
Splitting of water molecule is associate with PS I.
PS I and PS II involved in the formation of NDPH+ H+.
The reaction center of PS I is Chlorophyll a with absorption peak at 680 nm.
The reaction center of PS II is Chlorophyll a with absorption peak at 700 nm.
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उत्तर
PS I and PS II involved in the formation of NDPH+ H+.
संबंधित प्रश्न
Suppose we compare the leaf with a factory, match the items in Column A with those in Column B.
| Column A | Column B | ||
| Left | Factory | ||
| 1 | Cells in the leaf | a | Raw materials |
| 2 | Chloroplast | b | Power |
| 3 | Sunlight | c | Machinery |
| 4 | Oxygen and water | d | End product |
| 5 | Carbon dioxide and water | e | By product |
| 6 | Glucose | f | Workroom |
Long answer question.
In order to carry out photosynthesis, what are the substances that a plant must take in? Also mention their sources.
Long answer question.
What is the role of chlorophyll in photosynthesis?
Long answer question.
Do plants need oxygen? If so, what is its source?
Tick the most appropriate answer.
Plants have these for the exchange of gases.
Attempt any TWO of the following:
Describe ‘any two’ factors affecting the rate of photosynthesis.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Photosynthesis requires enzymes.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Photosynthesis stops at a temperature of about 35°C.
Two groups (A & B) of bean plants of similar size and same leaf area were placed in identical conditions. Group A was exposed to the light of wavelength 400-450 nm & Group B to light of wavelength of 500-550 nm. Compare the photosynthetic rate of the 2 groups giving reasons.
When there is plenty of light and a higher concentration of O2, what kind of pathway does the plant undergo? Analyse the reasons.
Draw and label the structure of oxysomes.
Process of photosynthesis is ______.
Photorespiration is favoured by :
Photosynthetic organisms occur at different depths in the ocean. Do they receive qualitatively and quantitatively the same light? How do they adapt to carry out photosynthesis under these conditions?
In tropical rain forests, the canopy is thick and plants growing below receive filtered light. How are they able to carry out photosynthesis?
Why does the rate of photosynthesis decrease at higher temperatures?
The optimum temperature for the process of photosynthesis is ______.
