Our body cannot make food from carbon dioxide, water and sunlight like plants because of absence of ____________.

chlorophyll

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chloroplasts

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guard cells

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stomatas

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Solution

The correct option is A chlorophyll
Our body cannot prepare food due to the absence of chlorophyll pigment. This is the only pigment that can absorb solar rays. Without solar energy, photosynthesis cannot be possible. Thus even the presence of carbon dioxide, water and sunlight for humans is not sufficient to prepare the food.

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Similar questions

Q. Plants make their own food using carbon dioxide and water in the presence of sunlight.

Q. Consider four organisms A, B, C and D. A eats only the flesh of other animals. B eats grains, vegetables, fruits, meat and fish. C can make the food itself from carbon dioxide and water in the presence of chlorophyll and sunlight. D eats only plants and their products as food. Which one of these organisms is an omnivore?

Question 3
The autotrophic mode of nutrition in plants requires:

(a) Carbon dioxide and water
(b) Chlorophyll
(c) Sunlight
(d) All of the above

I wants to know why our body cannot make food from carbon dioxide, water and minerals.

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.

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