OBJECTIVE LIFE SCIENCE
BIOTECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How was biotechnology first used?
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On crops and farm animals
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On water and diseases
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On food and water
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On humans and animals
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Explanation:
Detailed explanation-1: -Earliest examples of biotechnology Wild animals were tamed to provide milk or meat or help with ploughing or guarding the farm. The dog, sheep and goat are thought to be among the first animals that were domesticated.
Detailed explanation-2: -Certainly, cheese can be considered as one of the first direct products (or by-product) of biotechnology, because it was prepared by adding rennet (an enzyme found in the stomach of calves) to sour milk, which is possible only by exposing milk to microbes (although this understanding was not there, at that time).
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