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