Q.


Assertion A : Amylose is insoluble in water.
Reason R : Amylose is a long linear molecule with more than 200 glucose units.
In the light of the above statements, choose the correct answer from the options given below.

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a

A is not correct but R is correct.

b

Both A and R are correct and R is the correct explanation of A.

c

A is correct but R is not correct.

d

Both A and R are correct and R is NOT the correct explanation of A.

answer is D.

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Detailed Solution

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Amylose is a water soluble component which constitutes about 15-20% of starch. Chemically amylose is a long unbranchedchain with 200-1000 α-D-(+)-glucose units held together by C1– C4 glycosidic linkage.
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Therefore, the assertion is false but the reason is true.

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Assertion A : Amylose is insoluble in water.Reason R : Amylose is a long linear molecule with more than 200 glucose units.In the light of the above statements, choose the correct answer from the options given below.