Science
The percentage of solar energy which is not converted into food energy by the leaves of green plants in a terrestrial ecosystem is about :
options
- 1%
- 10%
- 90%
- 99%
Environment
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Answer
99%
Reason — In a terrestrial ecosystem, only about 1% of the solar energy that reaches the leaves is converted into food energy through photosynthesis. This means that nearly 99% of the solar energy is not converted into food energy by green plants.
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Related Questions
An old person is suffering from an eye defect caused by weakening of ciliary muscles and diminishing flexibility of the eye lens. If the defect of vision is ‘a’ which can be corrected by lens ‘b’, then ‘a’ and ‘b’ respectively are :
options
- Hypermetropia and convex lens
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(a) Wolf, rabbit, grass, lion
(b) Plankton, man, grasshopper, fish
(c) Hawk, grass, snake, grasshopper, frog
(d) Grass, snake, wolf, tiger
options
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Reason (R) : Decomposition of organic matter into compost is an exothermic process.
options
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Reason (R) : It looks exactly like its parents, showing very little variations.
options
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