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Question

Which of the following are the producers that do not depend on sunlight for the preparation of food?


A

Trees

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B

Blue-green algae

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C

Shrubs

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D

Sulfur bacteria

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Solution

The correct option is D

Sulfur bacteria


All producers on Earth do not depend on sunlight. Certain sulphur bacteria seen on land and in water produce energy by breaking down chemical compounds found on land or water. This process of production of food from the chemicals is called chemosynthesis. Example of a chemoautotrophic bacteria is Beggiatoa.


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