What is necessary for photosynthesis?

Chlorophyll

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Sunlight

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Carbon dioxide and water

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All of the above

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Solution

The correct option is D All of the above
Photosynthesis is the making of food by plants. The essential ingredients in making this food are sunlight, the chlorophyll that is present in green plants, water and carbon dioxide in the air.
Photosynthesis is necessary not just for plants to make food for themselves, but for animals, including us eventually.
Therefore, the correct answer is option D.

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Similar questions

3 factors necessary for photosynthesis to take place :

1. Presence of sunlight
2. Presence of chlorophyll
3. Presence of water and carbon-dioxide

3. Consider the following statements,

1] The neighbouring countries of Venezuela are Colombia, Brazil and Guyana.

2] The world's highest uninterrupted waterfall, Angel Falls is a waterfall in Bolivia.

Which of the above statements is/are incorrect?

Prove with the help of an experiment that carbon dioxide is necessary for photosynthesis.

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