ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

Try The MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

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ECAT Chemistry Chapter 25 Macromolecules

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Question # 1

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 2

Which of the following is the repeating monomeric unit in cellulose

Question # 3

Which one of the following is the most abundant organic substance found in nature

Question # 4

Which of the following statements is incorrect about vitamins

Question # 5

The polymers which can be re-softened again and again are caled

Question # 6

The simplest separating unit of a polymer is called:

Question # 7

Plastics are pollution problem because many plastics:

Question # 8

Which of the following polymers is used for weather resistant paints

Question # 9

Which carbohydrates is an essential constituent of plant cells?

Question # 10

For every reaction occurring in the body three is at least one type of

Question # 11

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 12

Cotton has cellulose in it:

Question # 13

The fiber which is made from acrylonitrile as monomer:

Question # 14

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 15

Purine derivative among the following bases is

Question # 16

Bakelite is obtained from phenol by reacting with

Question # 17

The temp. and pressure used for PVC polymerization is

Question # 18

Which functional group is present in glycerol tristearate

Question # 19

Which one of the following is a water soluble vitamin

Question # 20

Which of the following is not an example of addition polymer?

Question # 21

The proteins which are derived by conjugated proteins are called as

Question # 22

One of the followings is not type of polymer

Question # 23

Two or more similar monomers combine to form:

Question # 24

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:

Question # 25

In which of these processes are smell organic molecules made into macromolecules?

Question # 26

Synthetic polymer prepared from caprolactum is known is

Question # 27

Which of the following is not present in RNA?

Question # 28

Which one of the following enzymes brings about the hydrolysis of fats

Question # 29

Which of the following is not a synthetic polymer?

Question # 30

Vegetable oils are

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which one of the following statements of glucose and sucrose is incorrect?
A. Both are soluble in water
B. Both are naturally occuring
C. Both are carbohydrates
D. Both are disaccharides
2 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
3 Orlon is a polymer of
A. Tetrafluoroethylene
B. Acrylonitrile
C. Ethanoic acid
D. Benzene
4 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
5 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
6 Which one of the following is the most abundant organic substance found in nature
A. Fructose
B. Starch
C. Glucose
D. Cellulose
7 The other name of cross linked polymers is
A. Linear polymer
B. Branched polymer
C. Inter connected polymers
D. None of these
8 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
9 The substance upon which an enzyme acts is known as its
A. Domain
B. Field
C. Substrate
D. Reactant
10 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine

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