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प्रश्न
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?
विकल्प
To remove chlorophyll from the leaves.
To increase the release of CO2 by the leaves.
To remove starch from the leaves.
To stop synthesis process in the leaves.
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उत्तर
To stop synthesis process in the leaves.
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संबंधित प्रश्न
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis occurs in underground organs as well as in aerial ones.
Which one chemical reaction occurs during photosynthesis?
Give some adaptations in green leaf photosynthesis.
Explain the term Phosphorylation.
Name the following:
Source of oxygen given out in photosynthesis.
Complete the following sentence with appropriate word:
4OH ——> _____ + O2
Choose the correct option.
In maize and wheat, the first stable products formed in bundle sheath cells respectively are ________.
The raw materials for photosynthesis are ______ and ______.
An organism A which cannot move from one place to another makes a simple food B from the substances C and D available in the environment. This food is made in the presence of green-colored substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. Does this food give a blue-black color with iodine solution?
a. What is
- organism A
- food B?
- food H?
b. What are C and D?
c. Name green-colored substance E and organ F.
d. What is the process G?
