NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

BIO MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Its a natural polymer
A
Starch
B
Polylactic acid
C
Nylon
D
Low density polyethylene
Explanation: 

Detailed explanation-1: -Starch is a natural polymer that is made up of hundreds of glucose molecules, similarly natural rubber is a polymer obtained from the latex of a rubber tree.

Detailed explanation-2: -Examples of naturally occurring polymers are silk, wool, DNA, cellulose and proteins.

Detailed explanation-3: -Starch is also a member of basic food groups called carbohydrates and it is found in grains, cereal and potatoes. Starch is a polymer of the monosaccharide glucose. The molecules of starch consist of 2 kinds of glucose polymers namely amylopectin and amylose which are the main components of starch in most plants.

Detailed explanation-4: -Starch is a natural, renewable resource for millions of Europeans.-Starch Europe. Starch is a fundamental link in the value chain between agriculture and thousands of end products in both food and non-food applications. Starch is the most important carbohydrate in the human diet.

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