1. Sugars that differ only by the stereochemistry at a single carbon (other than the anomeric carbon) are called:
A)
Enantiomers
B)
Anomers
C)
Isomers
D) Epimers
2. Absorption of UV light at 280 nm by purified proteins is
due to the amino acids:
A)
Methionine and Valine
B) Tryptophan and Tyrosine
C)
Histidine and Cysteine
D) Glycine and Lysine
3.Which
of the following is NOT a chaperone?
A)
Calnexin
B)
Hsp70
C) Cadherin
D) Calreticulin
4. The type of isomerism shown by
Fumaric acid and Maleic acid are
A) Geometrical
isomerism with maleic acid (trans-form) and Fumaric acid (cis-form)
B) Geometrical
isomerism with maleic acid (cis form) and Fumaric acid (trans-form)
C) Optical
isomerism with maleic acid (L-form) and Fumaric acid (D-form)
D) Optical isomerism with maleic acid (D-form) and Fumaric acid (L-form)
5. The protein structure involving
the interaction, orientation and organization of two or more polypeptide chains
to form a functional proteins
A)Primary
structure
B)Secondary
structure
C)Tertiary
structure
D)Quaternary structure
6. A
solution of pH 4 has been diluted by adding 40 ml of double distilled water to
10 ml of the solution. What will be the pH of the diluted solution?
A)4.5
B)
5.0
C)
3.5
D) 4.0
7.An amino acid with a non polar
side chain is
A) Asparagine
B) Alanine
C) Glutamine
D)Serine
8.Which among the following is NOT
a fibrillar protein ?
A) Elastin
B) Collagen
C) Myosin
D) Albumin
9. Question45:-The Nobel Prize
2020 winners for Chemistry
A) Louise
Gluck, Roger Penrose
B) Paul
R. Milgrom and Robert B. Wilson
C) Emmanuelle
Charpentier and Jennifer A. Doudna
D) Reinhard Genzel and Andrea Ghez
10. Which of these enzymes can be
found associated with pyrenoids ?
I.
Alpha Amylase
II.
Rubisco
III.
PEP
IV.
Citric acid synthase
A) I
B) II
C) I
and II
D) All of these
Learn
more: Topic wise Biochemistry Questions
Answers:
1. D) Epimers
2. B) Tryptophan and Tyrosine
3. C) Cadherin
4. A)
Geometrical isomerism with maleic acid (trans-form) and Fumaric acid (cis-form)
5. D)Quaternary structure
6. A)4.5
7. B)
Alanine
8. D)
Albumin
9. C)
Emmanuelle Charpentier and Jennifer A. Doudna
10. B)
II