Biomolecules Test

Result

Biomolecules Test - 18

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Which of the following describes the overall three dimensional folding of a polypeptide?

A
Primary structure

B
Secondary structure

C
Tertiary structure

D
Quaternary structure
Question 2
4 / -1

A compound with molecular mass 180 is acylated with CH₃COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is

A
2

B
5

C
4

D
6

Solution
Question 3
4 / -1

Which one of the following statements is correct?

A
All amino acids except lysine are optically active

B
All amino acids are optically active

C
All amino acids except glycine are optically active

D
All amino acids except glutamic acids are optically active.
Question 4
4 / -1

A decapeptide (mol. wt. 796) on complete hydrolysis gives glycine (mol. wt. 75), alanine and phenylalanine. Glycine contributes 47% to the total weight of the hydrolysed products. The number of glycine units present in the decapeptide is

A
3

B
4

C
5

D
6
Question 5
4 / -1

Which one of the following does not correctly match with each other?

A
Silk-polyamide

B
Lipase-enzyme

C
Butter-fat

D
Oxytocin-enzyme
Question 6
4 / -1

Which of the following is present in animals like cow, buffaloes etc. to digest compound like paper, cloth etc?

A
Urease

B
Cellulase

C
Silicones

D
Sucrose
Question 7
4 / -1

The total number of basic groups in the following form of lysine is

A
1

B
2

C
3

D
4
Question 8
4 / -1

The enzyme pepsin hydrolyses

A
proteins to amino acids

B
fats to fatty acids

C
glucose to ethyl alcohol

D
poloysaccharides to monosaccharides
Question 9
4 / -1

Give the pOH range for the isoelectric point of the amphoteric ion of an amino acid

A
5.5 to 6.3

B
2.5 to 5.0

C
7.7 to 8.5

D
9.0 to 10.7
Question 10
4 / -1

Denaturation of proteins leads to the loss of its biological activity by

A
formation of amino acids

B
loss of primary structure

C
loss of both primary and secondary structures

D
loss of both secondary and tertiary stuctures

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Biomolecules Test - 18

Result

Biomolecules Test - 18

Score

-

Rank

-

SHARING IS CARING

Question 1

Primary structure

Secondary structure

Tertiary structure

Quaternary structure

Question 2

2

5

4

6

Solution

Question 3

All amino acids except lysine are optically active

All amino acids are optically active

All amino acids except glycine are optically active

All amino acids except glutamic acids are optically active.

Question 4

3

4

5

6

Question 5

Silk-polyamide

Lipase-enzyme

Butter-fat

Oxytocin-enzyme

Question 6

Urease

Cellulase

Silicones

Sucrose

Question 7

1

2

3

4

Question 8

proteins to amino acids

fats to fatty acids

glucose to ethyl alcohol

poloysaccharides to monosaccharides

Question 9

5.5 to 6.3

2.5 to 5.0

7.7 to 8.5

9.0 to 10.7

Question 10

formation of amino acids

loss of primary structure

loss of both primary and secondary structures

loss of both secondary and tertiary stuctures

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.