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Class XII Biology Microbes in Human Welfare 1

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Question 1

We can demarcate a facultative parasite as one which

Question 2

Bt-gene occurs in :

Question 3

A bacterium divides every 35 minutes. If a culture containing 10⁵ cells per ml is grown for 175 minutes, what will be the cell concentration per ml after 175 minutes?

Question 4

Dough kept overnight in warm weather becomes soft and spongy because of

Question 5

In cheese manufacturing, the microorganisms are used for

Question 6

Cheese is prepared from

Question 7

Pickles and sauerkraut share a common inoculum, which is

Question 8

Blue-green algae used as food resource as

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Dec 26NEET & AIIMS