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Worksheets

III YEARS

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

Chemicals or molecules present in the living organisms are known as ______

a)

Biomolecules

b)

Carbon

c)

Protein

d)

Macromolecules

2.

Chain having 2 amino acids linked by a peptide bond is called as ________.

a)

Dipeptide

b)

Polypeptide

c)

Polymer

d)

Collagen

3.

Collagen is the most abundant protein in

a)

Animal

b)

Plant

c)

Microbe

d)

All of these

4.

The primary structure of protein is responsible for the function of

a)

DNA

b)

RNA

c)

Protein

d)

Both DNA and RNA

5.

How many basic levels of structure of protein is present?

a)

1

b)

2

c)

3

d)

4

6.

In secondary structure of protein, how many types are present?

a)

1

b)

2

c)

3

d)

No types are present

7.

Proteins are said to be quaternary structure in structure if they have 2 or more polypeptide chains.

a)

True

b)

False

8.

Polysaccharides are also called as

a)

Glycans

b)

Glycogen

c)

Peptidoglycans

d)

Glucose

9.

Steps involved in proteomic analysis are as follows:


1. Purification of proteins

2. Separation of proteins

3. Identification of proteins

a)

True

b)

False

10.

The amino acids are the building block of protein which has a major function of

a)

Basic structure and function of cell

b)

Hereditary. Information

c)

Storage form of energy

d)

None of these

11.

Amino acids are differentiated into how many types?

a)

3

b)

5

c)

7

d)

9

12.

A disaccharide consists of 2 monosaccharide units are held together by a ___________ bond.

a)

Peptide

b)

Glycosidic

c)

Glycolipid

d)

No bond

13.

Which element is the most versatile and the most predominant in life?

a)

Carbon

b)

Nitrogen

c)

Oxygen

d)

Cabondioxide

14.

How many standard amino acids are found repeatedly in the structure of protein?

a)

10

b)

15

c)

20

d)

22

15.

The physical and Chemical properties of amino acids are due to amino, carboxyl and R functional groups.

a)

True

b)

False

16.

Haemoglobin is the perfect example of quaternary structure of protein.

a)

True

b)

False

17.

Oligosaccharides are formed by condensation of _________ monosaccharides.

a)

1-3

b)

2-9

c)

2-6

d)

3-4