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Question
The leaves of a plant first prepare food A by photosynthesis. Food A then gets converted into food B. What are A and B?
Solution
Food A is glucose and food B is starch.
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RELATED QUESTIONS
Name two inorganic substances which are used by autotrophs to make food.
In addition to carbon dioxide and water, state two other conditions necessary for the process of photosynthesis to take place.
What are autotrophs? Give one example of autotrophs.
How does carbon dioxide from the air enter the leaves of a plant to be used in photosynthesis?
The cells which surround a stomatal pore.
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.
Which of the following events does not occur in photosynthesis?
(a) conversion of light energy into chemical energy
(b) reduction of carbon dioxide to carbohydrates
(c) oxidation of carbon to carbon dioxide
(d) absorption of light energy by chlorophyll
Water absorption through roots can be increased by keeping the potted plants:
(a) in the shade
(b) in dim light
(c) under the fan
(d) covered with a polythene bag
Which of the following is most appropriate for aerobic respiration?
Oxygen liberated during photosynthesis comes from
