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

00:00
Question # 1

Which of the following is a biodegradable polymer?

Question # 2

Naturally occurring lipids are called

Question # 3

The stroids of fungi and yeast and yeast are called:

Question # 4

Which of the following is not present in nucleotide?

Question # 5

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 6

Which is not a steroid

Question # 7

Factors affecting denaturation of proteins:

Question # 8

Vegetable oils are

Question # 9

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 10

Purine derivative among the following bases is

Question # 11

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

Question # 12

Which has maximum protein content?

Question # 13

A polymer may be

Question # 14

Which is the derived lipid?

Question # 15

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

Question # 16

Which of the following is obtained by condensation polymerization?

Question # 17

In macromolecules DP stands for

Question # 18

Monosaccharides and oligosacchradies are generally called as

Question # 19

Which carbohydrates is an essential constituent of plant cells?

Question # 20

The other name of cross linked polymers is

Question # 21

Which of these polymers is an addition polymer

Question # 22

The three dimensional folding and twisting of a polypeptide chain give rise to

Question # 23

The raw material to form nylon is

Question # 24

Which of the following fibres are made of polyamides?

Question # 25

The protein which only yield amino acids and their derivatives

Question # 26

Which one of the following is a water soluble vitamin

Question # 27

What is not true about DNA

Question # 28

The proteins which are derived by conjugated proteins are called as

Question # 29

The development of disagreeable odur in fats or oil is called

Question # 30

The disaccharide present in milk is

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Peptide bond is a key feature in
A. Polysaccharide
B. Proteins
C. Nucleotide
D. Vitamins
2 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
3 The simplest separating unit of a polymer is called:
A. Monomer
B. Dimer
C. Trimmer
D. Macromer
4 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
5 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
6 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
7 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
8 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
9 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
10 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes

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