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प्रश्न
The oxygen liberated during photosynthesis by green plants comes from:
(a) glucose
(b) water
(c) carbon dioxide
(d) chlorophyll
उत्तर
(b) water
During photosynthesis, the water molecule is split into hydrogen and oxygen.
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संबंधित प्रश्न
Where do plants get each of the raw materials required for photosynthesis?
Which of the following is an autotroph?
Green plant or Man?
Apart from sunlight and chlorophyll, what other things are required to make food by photosynthesis?
How do plants obtain food?
The process in plants which converts light energy into chemical energy.
Organisms that can prepare their own food.
How do guard cells regulate opening and closing of stomatel pores?
When carrying out the starch test on a leaf, why is it important to boil the leaf in alcohol?
(a) to dissolve the waxy cuticle
(b) to make the cells more permeable to iodine solution
(c) to remove the chlorophyll
(d) to stop chemical reactions in the cells.
Distinguish between: Autotrophic nutrition and Heterotrophic nutrition.
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
This experimental set up is used to prove essentiality of which of the following requirements of photosynthesis?
