Question 1
Which of the following statements about the autotrophs is incorrect?
(a) They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll.
(b) They store carbohydrates in the form of starch.
(c) They convert carbon dioxide and water into carbohydrates in the absence of sunlight.
(d) They constitute the first trophic level in food chains.
(c) They convert carbon dioxide and water into carbohydrates in the absence of sunlight.
Autotrophs are the organisms who make their own food. They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll. They store carbohydrates in the form of starch. The leaves of a plant make sugar (carbohydrates) during the process of photosynthesis.