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Home
Biomolecules Test - 8
Biomolecules Test - 8
Result
Biomolecules Test - 8
/
Score
-
Rank
Time Taken:
-
Question
1/10
4 / -1
Which of the following is a heterocyclic amino acid?
Correct
Wrong
Skipped
A
Glycine
Correct
Wrong
Skipped
B
Alanine
Correct
Wrong
Skipped
C
Phenylalanine
Correct
Wrong
Skipped
D
Tryptophan
Question
2/10
4 / -1
Which amino acid has imidazole ring?
Correct
Wrong
Skipped
A
Alanine
Correct
Wrong
Skipped
B
Leucine
Correct
Wrong
Skipped
C
Tyrosine
Correct
Wrong
Skipped
D
Histidine
Question
3/10
4 / -1
Helical structure of protein is stablilised by
Correct
Wrong
Skipped
A
peptide bond
Correct
Wrong
Skipped
B
hydrogen bond
Correct
Wrong
Skipped
C
van der Waals' force
Correct
Wrong
Skipped
D
dipole association
Question
4/10
4 / -1
The α-amino acid which does not give purple colour in the ninhydrin test is
Correct
Wrong
Skipped
A
proline
Correct
Wrong
Skipped
B
glycine
Correct
Wrong
Skipped
C
lysine
Correct
Wrong
Skipped
D
aspartic acid
Question
5/10
4 / -1
The secondary structure of a protein refers to
Correct
Wrong
Skipped
A
α-helical backbone
Correct
Wrong
Skipped
B
hydrophobic interactions
Correct
Wrong
Skipped
C
sequence of α-amino acids
Correct
Wrong
Skipped
D
fixed configuration of the polypeptide backbone
Question
6/10
4 / -1
Protein gives blue colour with
Correct
Wrong
Skipped
A
benedict reagent
Correct
Wrong
Skipped
B
iodine solution
Correct
Wrong
Skipped
C
ninhydrin
Correct
Wrong
Skipped
D
biurete
Question
7/10
4 / -1
Zwitter ion is formed by
Correct
Wrong
Skipped
A
aniline
Correct
Wrong
Skipped
B
acetanilide
Correct
Wrong
Skipped
C
benzoic acid
Correct
Wrong
Skipped
D
glycine
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Solutions
Question
8/10
4 / -1
The amino acid which is not optically active is
Correct
Wrong
Skipped
A
lactic acid
Correct
Wrong
Skipped
B
serine
Correct
Wrong
Skipped
C
alanine
Correct
Wrong
Skipped
D
glycine
Question
9/10
4 / -1
Which functional group participates in disulphide bond formation in proteins?
Correct
Wrong
Skipped
A
Thiolacetone
Correct
Wrong
Skipped
B
Thiol
Correct
Wrong
Skipped
C
Thioether
Correct
Wrong
Skipped
D
Thioester
Question
10/10
4 / -1
Which amino acid has phenyl — OH group?
Correct
Wrong
Skipped
A
Lysine
Correct
Wrong
Skipped
B
Arginine
Correct
Wrong
Skipped
C
Proline
Correct
Wrong
Skipped
D
Tyrosine
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
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