ANSWER THE FOLLOWING QUESTIONS
1. Why do insectivorous plants need to feed on insects when they can synthesise their own food?
2. Why does a piece of chapathi taste sweeter after it is chewed for some time?
3. The normal temperature of human body is 37° C. But most of the time we measure, it is not exactly 37° C. Why?
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Answer:(1- The insectivorous plants grow in soil which do not contain sufficient nitrogen mineral. These plants (e.g. pitcher plant) are green and carry out photosynthesis to obtain a part of the food required by them. ... So, insectivorous or carnivorous plants feed on insects to obtain the nitrogen needed for their growth.
(2-Saliva uses an enzyme called Amylase to break the starch down into sweet and simpler to use sugar. That's why if you chew chapathi a long time, it will taste sweeter.
(3-Because clinical thermometer is used to measure body temperature, and the body temperature of a living human cannot dip below 35 degrees or rise above 42 degrees. It is there to prevent back-flow of mercury so that the mercury level stays in place for long enough for the person to read..
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