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प्रश्न
Name two inorganic substances which are used by autotrophs to make food.
उत्तर
Carbon dioxide and water are the two inorganic substances used by autotrophs to make their food.
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संबंधित प्रश्न
Give a brief description of the process of synthesis of food in green plants.
Fill in the following blanks with suitable words :
Green plants use .................... and .................... to make food.
Photosynthesis converts energy X into energy Y. What are X and Y?
How do plants obtain food?
Why do plants need nitrogen? How do plants obtain nitrogen?
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
Most of the plants absorb nitrogen in one of the following forms. This is:
(a) proteins
(b) nitrates and nitrites
(c) urea
(d) atmospheric nitrogen
Autotrophic organisms include ____________.
Observe the experimental setup shown below. Name the chemical indicated as ‘X’ that can absorb the gas which is evolved as a byproduct of respiration.
