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

The monomeric units of starch is/are

Question # 2

The raw material to form nylon is

Question # 3

Which one of the following statements of glucose and sucrose is incorrect?

Question # 4

Which of the following is a steroid

Question # 5

Which one of the following elements is not present in all proteins

Question # 6

Cotton has cellulose in it:

Question # 7

Which of the following has ester linkage?

Question # 8

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

Question # 9

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 10

Which of these polymers is a synthetic polymer?

Question # 11

Teflon, styron and neoprene are all

Question # 12

In fructose the possible optical isomers are

Question # 13

Natural rubber is a polymer of

Question # 14

Sterols, vitamin D and terpenese belong to

Question # 15

Which is not an enzyme

Question # 16

β-D-glucose is a monomer for

Question # 17

The number of amino acids found in proteins that a human body can synthesize is

Question # 18

The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called

Question # 19

Vegetable oils are

Question # 20

Vegetables oils are:

Question # 21

The metal present in blood is

Question # 22

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 23

Oxidation reduction is done by

Question # 24

Molar mass of high molecular w.f. polymers ranges from:

Question # 25

Plastics are a pollution problem because many plastics

Question # 26

Which teat is not given by both glucose and fructose

Question # 27

When a nitrogeneous base combine with a sugar it is called

Question # 28

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

Question # 29

Which of the following is a molecular diseases?

Question # 30

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Enzymes are
A. Proteins
B. Minerals
C. Oils
D. Fatty acids
2 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glyccerides of saturated fatty acids
D. Essential oils obtained from plants
3 Protein are classified into
A. Simple protein
B. Complex protein
C. Derived proteins
D. All of these
4 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
5 The main structure features of proteins is
A. An ester linkage
B. An ether linkage
C. The peptide linkage
D. All
6 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
7 Vitamin A is present in
A. Liver
B. Milk
C. Green vegetables
D. All
8 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
9 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
10 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer

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