Advertisements
Advertisements
प्रश्न
What is dark reaction in photosynthesis?
Advertisements
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
Describe C3 Pathway.
Very short answer question.
Why do diurnal changes occur in osmotic potential of guard cells?
What is transpiration?
Which of the following term correctly describes the membrane which allows passage of certain substances more readily than others?
Give an example of plant having both kidney and dumb-bell shaped guard cells in stomata.
Sketch and label - structure of stomata[ apparatus.
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 |
Write a short note on Structure of stomatal apparatus.
What are the limitations of root pressure theory?
In plants, active absorption usually does NOT occur when ______.
