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The fruit jucis turms bitter in taste if...

The fruit jucis turms bitter in taste if they are kept in open place for sometime, because of

A

Bacteria of the atomsphere react with the juice

B

Fermentation of the juice by yeast

C

Some internal factors

D

All the above three statements are correct

Text Solution

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The correct Answer is:
B
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Rahul is a ten year old boy. He had purchased a packet of potato chips more than a month ago. Rahul opened the packet at the time but could eat only some of the potato chips from it. He then kept the open packet containing remaining potato chips on his book rack. He wanted to eat the remaining potato chips today. Just when Rahul was about to put these potato chips into his mouth, his elder sister Pavni, who is a student of class X entered the room. She found that these potato chips were giving unpleasant smell. When she put one potato chip in her mouth, it hat so unpleasant taste. Pavni took away the packet from Rahul and did not allow him to eat these potato chips. She threw away the potato chips into a dustibin. (a) What is given to the condition in which potato chips kept open for a considerable time give out unpleasant smell and taste? (b) Which chemical reaction is responsible for the soilage of potato chips kept exposed by Rahul for a considerable time? (c) What produces the unpleasant smell as well as unpleasant taste in potato chips? Explain. (d) With which gas the plastic bags containing potato chips are filled and then sealed by manufactures? How does it help? (e) What values are displayed by Pavni in this episode?

ERRORLESS -MICROBES IN HUMAN WELFARE-Microbes In Human Welfare
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