1) Which of the following Biomolecules simply refers to as “Staff of life”?
(a) Lipids
(b) Proteins
(c) Vitamins
(d) Carbohydrates
Sol: (d) Carbohydrates.
2) Which of the following is the simplest form of carbohydrates?
(a) Carboxyl groups
(b) Aldehyde and Ketone groups
(c) Alcohol and Carboxyl groups
(d) Hydroxyl groups and Hydrogen groups
Sol: (b) Aldehyde and Ketone groups.
3) Which of the following monosaccharides is the majority found in the human body?
(a) D-type
(b) L-type
(c) LD-types
(d) None of the above
Sol: (a) D-type.
4) Which of the following is the most abundant biomolecule on the earth?
(a) Lipids
(b) Proteins
(c) Carbohydrates
(d) Nucleic acids.
Sol: (c) Carbohydrates.
5) Which of the following are the major functions of Carbohydrates?
(a) Storage
(b) Structural framework
(c) Transport Materials
(d) Both Storage and structural framework
Sol: (d) Both Storage and structural framework.
6) Which of the following is the general formula of Carbohydrates?
(a) (C4H2O)n
(b) (C6H2O)n
(c) (CH2O)n
(d) (C2H2O)n COOH
Sol: (c) (CH2O)n.
7) Which of the following is the smallest carbohydrate – triose?
(a) Ribose
(b) Glucose
(c) Glyceraldehyde
(d) Dihydroxyacetone
Sol: (c) Glyceraldehyde.
8) Which of the following is a reducing sugar?
(a) Dihydroxyacetone
(b) Erythrulose
(c) Glucose
(d) All of the above
Sol: (d) All of the above.
9) Which of the following is an example of Epimers?
(a) Glucose and Ribose
(b) Glucose and Galactose
(c) Galactose, Mannose and Glucose
(d) Glucose, Ribose and Mannose
Sol: (b) Glucose and Galactose
10) Which of the following has reducing properties?
(a) Mucic acid
(b) Glucaric acid
(c) Gluconic acid
(d) Glucuronic acid
Sol: (d) Glucuronic acid.
11) Molisch test is used for _________.
(a) Lipids
(b) Proteins
(c) Mucoproteins
(d) Flavoproteins
Sol: (c) Mucoproteins.
12) What is Turanose?
(a) 7-methyl sugar
(b) A deoxy sugars
(c) Non reducing disaccharide
(d) Reducing disaccharides of glucose and fructose
Sol: (d) Reducing disaccharides of glucose and fructose
13) Which of the following does not have sulphuric acid groups?
(a) Heparin
(b) Kerato sulfate
(c) Hyaluronic acid
(d) Chondroitin sulfate
Sol: (c) Hyaluronic acid.
14) Digitonin is a _________.
(a) Lipid
(b) Protein
(c) Glycoside
(d) Alkaloid
Sol: (c) Glycoside.
15) Which of the following is the simplest carbohydrate?
(a) Gulose
(b) Glucose
(c) Dihydroxyacetone
(d) Glyceraldehyde
Sol: (d) Glyceraldehyde.
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