Advertisements
Advertisements
Question
Differentiate Between:
Light reaction and Dark reaction.
Advertisements
Solution
| Light Reaction | Dark Reaction |
| (i) It fakes place in the presence of light. | It does not require light. |
| (ii) It occurs in the grana of the chloroplast. | It occurs in the stroma of the chloroplast. |
| (iii) Its products are ATP and NADPH2. | Its products are organic compounds. |
APPEARS IN
RELATED QUESTIONS
A healthy oat seeding in a pot is transferred from light to any airy but completely dark room. How would it differ from its original condition in appearance after about a week? Explain the difference.
The chemical substance used to test the presence of starch in the cell of a leaf is ______.
All life owes its existence to chlorophyll. Give reason.
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
Name any one organism that could be shown at No .5
Given alongside is the diagram of an experimental set-up:
What alteration (s) will you make in it for obtaining expected result?
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both test-tubes are kept in sunlight. Answer the questions that follow:
(a) Name the physiological process that releases the bubbles of oxygen.
(b) Explain the physiological process as mentioned above in (a).
(c) What is the purpose of keeping a snail in test-tube B?
(d) Why does test-tube B have more bubbles of oxygen?
(e) Give an example of a water plant that can be used in the above experiment.
(f) Write the overall chemical equation for the above process.
Name the following:
The site of light reaction in the cell of a leaf.
Choose the Correct Answer:
The main difference between chlorophyll ‘a’ and ‘b’ is:
Name two aquatic plants which can be used for the experiment of photosynthesis.
