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प्रश्न
Complete the following sentence with appropriate word:
4OH ——> _____ + O2
उत्तर
4OH ——> 2H2O + O2
APPEARS IN
संबंधित प्रश्न
The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow
(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.
Briefly explain the following terms: Photophosphorylation
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Leaf and Liver [form in which glucose is stored]
Match the terms of column I with those in column II:
| Column I | Column II |
| (i) Stomata closed | (a) decomposers |
| (ii) Autotrophs | (b) light reaction |
| (iii) By-products of photosynthesis | (c) animals |
| (iv) Photolysis | (d) during night |
| (v) Bacteria and fungi | (e) green plants |
| ( f) oxygen |
Choose the correct answer:
Which one of the following is the best reason for leaving a plant in a dark place before carrying out experiments on photosynthesis?
Name the following:
The first form of food substance produced during photosynthesis.
Identify the false statements and rewrite them correctly by changing the first or last word only.
Immediate product of photosynthesis is glucose.
Identify the false statements and rewrite them correctly by changing the first or last word only.
Algae are autotrophs.
The site of light reaction in the cells of a leaf is ______.
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.
Why was the plant kept in the dark before the experiment?
Explain the Term Calvin Cycle.
Give technical term:
Which process is the ultimate source of energy for all living organisms?
Give technical term:
What does ATP abbreviate for?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Radiant energy is converted into chemical energy by photosynthesis.
Choose the Correct Answer:
Compensation point means the condition:
Choose the correct option.
In presence of high concentration of oxygen, RuBP carboxylase converts RuBP to ______.
Choose the correct option.
The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
During photosynthesis, ________ is produced and stored in the leaf.
The green pigment present in the plant is ______.
Higher Order Thinking Skill.
Imagine that student A studied the importance of certain factors in photosynthesis. He took a potted plant and kept it in dark for 24 hours. In the early hours of the next morning, he covered one of the leaves with dark 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?
- Why was the plant kept in the dark before the experiment?
- How will you prove that starch is present in the leaves?
- Name the raw materials needed for photosynthesis.
