Question

Give reasons for the following.
a. Can a polar bear survive in a desert? Give your viewpoints.
Or
Sanvi and Kriti wanted to test the presence of starch in boiled rice and egg white. Sanvi took the
paste of some boiled rice in a test tube and Kriti took the egg white in a test tube. They added
jodine solution to their test tube. What would be their observation and conclusion?​

Answer 1

Answer:

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Answer 2

Answer:

a.Polar Bears live in The Arctic, or the North Pole. Their habitat is one of snow and ice, with freezing waters and dark winters. ... However, the Arctic is actually classified as a desert. So if you went by these terms then yes, a Polar Bear could survive in the desert, in fact, they already do.

Explanation:

b.When we add 1-2 drops of iodine, the combination turns in the shade of blue-black. This indicates the presence of starch in the test tube A.  

In test-tube B, the starch of rice converts into sugar on digestion. Thus, the colour of iodine will not change.

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