question_answer

Which of the following is correct statement? [AIPMT 2001]

A) Starch is polymer of \[\alpha \]-glucose

B) Amylose is a component of cellulose

C) Protiens are composed of only one type of amino acid

D) In cyclic structure of fructose, there are four carbons and one oxygen atom

Correct Answer: A

Solution :

[a] Starch is also known as amylum which occurs in all green plants. A molecule of starch is built of a large number of a-glucose ring joined through oxygen-atom.