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प्रश्न
What are autotrophs? Give one example of autotrophs.
उत्तर
The organisms that prepare their food themselves are known as autotrophs. Green plants are autotrophs.
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संबंधित प्रश्न
Plants take carbon dioxide from the atmosphere mainly through their:
Name the organelle of plant cells in which photosynthesis occurs.
what are the by-products of photosynthesis ?
How does carbon dioxide from the air enter the leaves of a plant to be used in photosynthesis?
Two similar green plants are kept separately in oxygen free containers, one in dark and the other in continuous light. Which one will live longer? Give reasons.
What will happen to the rate of photosynthesis on a plant under the following circumstances?
(i) cloudy day in morning but bright sunshine in the afternoon
(ii) no rainfall in the area for a considerable time.
(iii) gathering of dust on the leaves
What is photosynthesis?
List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process.
Match Group (A) with Group (B)
| Group A | Group B |
| (a) Autotrophic nutrition | (i) Leech |
| (b) Heterotrophic nutrition | (ii) Paramecium |
| (c) Parasitic nutrition | (iii) Deer |
| (d) Digestion in food vacuoles | (iv) Green plant |
Two green plants are kept separately in oxygen free containers, one in the dark and other in sunlight. It was observed that plant kept in dark could not survive longer. Give reason for this observation.
