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प्रश्न
Which one chemical reaction occurs during photosynthesis?
पर्याय
Carbon dioxide is reduced and water is oxidised
Water is reduced and carbon dioxide is oxidised
Both carbon dioxide and water are oxidised
Both carbon dioxide and water are reduced
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उत्तर
Carbon dioxide is reduced and water is oxidised
संबंधित प्रश्न
Formalin, Iodine, DDT, Lime
Name the following:
The category of organisms that prepare their own food from basic raw materials.
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
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.
Describe step by step, how the candidate proceeded to test the leaf for the presence of starch?
Choose the Odd One Out
The role of chlorophyll is to absorb light from the sun.
Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called ______.
The raw materials for photosynthesis are ______ and ______.
Plants inhale and exhale continuously through the ______.
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?
