Advertisements
Advertisements
प्रश्न
What is dark reaction in photosynthesis?
उत्तर
It is the second phase of photosynthesis in which CO2 is fixed or reduced to glucose. It takes place in stroma of chloroplast. The reactions take place independent of light hence it is known as dark reaction.
It is also known as ‘Blackman’s reaction’, ‘Calvin cycle’ or C3 pathway.
APPEARS IN
संबंधित प्रश्न
Very short answer question.
Why do diurnal changes occur in osmotic potential of guard cells?
Answer the following question.
Explain the role of transpiration.
Explain the root pressure theory.
Answer the following question.
What is the significance of transpiration?
Which of the following term correctly describes the membrane which allows passage of certain substances more readily than others?
Guard cells differ from epidermal cells in having
Sketch and label - structure of stomata[ apparatus.
Sketch and label: types of guard cells
Match the columns:
| Column A (Scientist) | Column B (Theory) | ||
| (1) | Dixon and Joylly | (a) | Starch-sugar inter-conversion theory |
| (2) | Steward | (b) | Osmotic absorption theory |
| (3) | Atkins and Pristley | (c) | Non-osmotic absorption theory |
| (4) | Kramer and Thimann | (d) | Cohesion tension theory |
What are the limitations of root pressure theory?
