Proteins MCQs with Answers

Hello students, our next topic for the MCQ is ‘PROTEINS’. Proteins are the part of human diet and it is found in food. The proteins are long chain molecules and it is made up of amino acid. All amino acid have similar basic structure. They have amino group, carboxyl group and sidechain. We have enzymes in the digestive system that break down proteins.

The following MCQ will provide you more information about ‘Proteins’.

 

MCQ.1):The molecules that yields amino acid upon hydrolysis are known as ………………………………………….

a)Proteins

b) DNA

c) RNA

d) Ribosome

 

MCQ.2):The ……………………………..Of a protein molecule may range from two to several thousands.

a)Nucleotide

b)Enzyme

c) Amino acids

d)None of these

 

MCQ. 3): Protein molecule contains ………………………………………….

a)Oxygen

b)Carbon dioxide

c)Nitrogen

d)Both a) and c)

 

MCQ.4):The proteins are the basis for the major structural components of …………………………………………..

a)Permanent tissue

b) Plant tissue

c)Animal tissue

d)Meristem stem

MCQ.5):The proteins which give single amino acid only upon hydrolysis is called as ……………………………………….

a)Simple proteins

b)Conjugated proteins

c)Derived proteins

d)All of above

 

MCQ.6):The simple protein which is in Blood is …………………………………..

a)Ovolbumin

b)Lactalbumin

c)Serumbumin

d)Legumelin

 

MCQ.7):In the protein classification, the globular proteins are …………………. In water.

a)Soluble

b)Unsaturated

c)Saturated

d)Insoluble

 

MCQ.8):The nucleoproteins of conjugated protein contains following EXCEPT?

a)Nucleic acid

b)Nitrogen

c)Phosphorous

d)Hydrochloric acid

 

MCQ.9):The protein that combined with amino sugars, Sugar acids and present in ………………………………….

a)DNA

b)Saliva

c)Legume

d)Bones

 

MCQ.10):The ….…………………… of milk is a phosphoprotein.

a)Casein

b)Ovovitellin

c)Tendomucoid

d)Mucin

 

MCQ.11):The following statement about protein structure is True or False:

‘The protein structure depends upon the spatial arrangement of polypeptide chains’.

a)False

b) True

 

MCQ.12):The amino acids of protein are linked with one another through ……………………. Bonds.

a)Cystic

b)Elastin

c) Melittin

d)Peptide

 

MCQ.13):Stable arrangement of amino acid residues give rise and twisted resulting in α-helix or pleated is a ……………………………………….

a)Tertiary structure

b)Secondary structure

c)Primary structure

d)None of these

 

MCQ.14):In the beta sheet of secondary structure, polypeptide chain proceed in the same direction amino to carboxyl is ………………………….

a)Antiparallel

b)Horizontal

c)Parallel

d)Antihorizontal

 

MCQ.15):Which of the following is nutritional deficiency which impairs protein maturation?

a)Tendons

b)Scurvy

c)Sophistication

d)Integrity

 

MCQ.16):When few of amino acid of protein are joined by various peptide linkage then it is called as ……………..

a)Monopeptides

b)Dipeptides

c)Tripeptides

d)Oligopeptide

 

MCQ.17):The amino acid sequence of protein in a polypeptide chain is known as …………………….

a)Primary structure

b)Tertiary structure

c)Secondary structure

d)Quaternary structure

 

MCQ.18):The protein which are simple and conjugated proteins is ……………….

a)Ornamental

b)Acidic

c)Derived

d)Basic

 

MCQ.19):In the tertiary structure, helices, sheets, bends, turns, and loops these are assemble to form …………………..

a)Domains

b)Recessive

c)Sachein

d)Scally

 

MCQ.20):The protein precipitation at isoelectric pH and precipitates is called as ………………………….

a)Gelatin

b)Viscosity

c)Coagulation

d)Flocculum

 

 

Answer

1)a) Proteins

2)c) Amino acids

3)d) Both a) and c)

4)c) Animal tissue

5)a) Simple proteins

6)c) Serumbumin

7)d) Insoluble

8)d) Hydrochloric acid

9)b) Saliva

10)a) Casein

11)b) True

12)d) Peptide

13)b) Secondary structure

14)c) Parallel

15)b) Scurvy

16)d) Oligopeptide

17)a) Primary structure

18)c) Derived

19)a) Domains

20)d) Flocculum


Updated: August 12, 2021 — 11:34 am

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