FOOD MICROBIOLOGY
MICROORGANISMS IN FOOD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A gas that is expelled from the body by the respiratory system; producers (plants) need this gas to make food is ____
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carbon dioxide
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oxygen
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photosynthesis
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hydrogen
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Explanation:
Detailed explanation-1: -Carbon dioxide gas is used by plants for the preparation of food materials. During this food preparation process, plants take up carbon dioxide from the air and give up oxygen.
Detailed explanation-2: -Plants, like animals, take in oxygen and give out carbon dioxide during respiration.
Detailed explanation-3: -Plants do require oxygen for respiration which in return gives out carbon dioxide. Unlike animals, plants do not have any specialized structures for gaseous exchange but they have stomata (present in leaves) and lenticels (present in stems) which are involved in the exchange of gases.
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