Question

Which of the following statements is/are not true?
(A) Glycerol is a 3 carbon alcohol with 3 OH groups that serve as binding sites
(B) Waxes are esters formed between long-chain alcohol and saturated fatty acids
(C) The term protein was coined by Gerardus Johannes Mulder
(D) Agar is an indispensable polysaccharide and it is a complex polymer of glucose and sulphur-containing carbohydrates

• A. (A) and (C) only
• B. (A) and (D) only
• C. (A), (B) and (D) only
• D. (A), (C) and (D) only
• E. (D) only

Answer 1

The correct option is E (D) only

Glycerol is trihydroxy alcohol having three hydroxyl groups attached to three different carbon atoms. In waxes, both the alcohol and fatty acids are long-chained molecules and fatty acids are saturated. Gerardus Johannes Mulder described the nature of proteins. Agar is derived from red algae Gelidium and Gracilaria. In chemical terms, agar is a polymer made up of subunits of the sugar galactose. It does not contain sulphur.

So the correct answer is option E