Quiz on Biomolecules

Quiz on Biomolecules

1. Haemoglobin has

Primary structure
Secondary structure
Tertiary structure
Quaternary structure

2. Which is the most abundant biomolecule on earth?

Mineral salts
Proteins
Lipids
Carbohydrates

3. In which of the following an anticodon occurs

tRNA
mRNA
rRNA
DNA

4. The fastest enzyme is

DNA gyrase
Pepsin
DNA polymerase
Carbonic anhydrase

5. Which of the following is a phospholipid?

Sterol
Cholesterol
Lecithin
Steroid

6. During acetylation of glucose it needs ,v moles of.acetic anhydride. The value of x would be
(a) 3
(b) 5
(c) 4
(d) 1

7. On oxidation with a mild oxidising agent like Br₂/H₂0, the glucose is oxidized to
(a) saccharic acid
(b) glucaric acid
(c) gluconic acid
(d) valeric acid

8. Invert sugar is
(a) a type of cane sugar
(b) optically inactive form of sugar
(c) mixture of glucose and galactose
(d) mixture of glucose and fructose in equimolar quantities

9. Which of the following compounds is found abundatly in nature?
(a) Fructose
(b) Starch
(c) Glucose
(d) Cellulose

10. Glycosidic linkage is an
(a) amide linkage
(b) ester linkage
(c) ether linkage
(d) acetyl linkage

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