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प्रश्न
Read the following sentences about photosynthesis:
- Sunlight, carbon dioxide, chlorophyll and water are necessary.
- Oxygen is absorbed.
- Leaves carry out photosynthesis.
- Proteins are made during photosynthesis.
Choose the correct pair of sentences that are true to photosynthesis.
विकल्प
(iii) and (iv)
(i) and (iii)
(ii) and (iv)
(i) and (iv)
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उत्तर
(i) and (iii)
Explanation:
Oxygen is released during photosynthesis. Carbohydrates (glucose) are made during photosynthesis not proteins.
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संबंधित प्रश्न
What is meant by photosynthesis? Why is it so important in nature?
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.
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.
Is there any control in this experiment? If so, state it.
Name the membrane that connects thylakoid of one granum With the other granum.
Respiration is said to be the reversal of photosynthesis.
Complete the following sentence with appropriate word:
A dark reaction is a __________ reaction.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The raw materials for photosynthesis include water and CO2.
Write the functional activity of the following structure:
Stroma
Chlorophyll in a leaf is required for ______.
In leaves, the food is stored in the form of ______.
