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

Cotton is ______% cellulose

Question # 2

The disaccharide present in milk is

Question # 3

When a nitrogeneous base combine with a sugar it is called

Question # 4

Plastics are a pollution problem because many plastics

Question # 5

The main structure features of proteins is

Question # 6

A polymer may be

Question # 7

The proteins which are derived by conjugated proteins are called as

Question # 8

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

Question # 9

Factors affecting denaturation of proteins:

Question # 10

Which functional group is present in glycerol tristearate

Question # 11

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

Question # 12

Which is a protein?

Question # 13

Polyester resins have special use in:

Question # 14

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

Question # 15

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

Question # 16

Which of the following is an example of ketohexose?

Question # 17

Which of the following brings about the conversion of starch into maltose

Question # 18

The simplest separating unit of a polymer is called:

Question # 19

Protein are classified into

Question # 20

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

Question # 21

Vitamin A is present in

Question # 22

Protein may have

Question # 23

Monosaccharides are

Question # 24

C6H12O6 is molecualr formula of:

Question # 25

Simple sugars are :

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Which of the following is not present in nucleotide?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer
2 Molar mass of high molecular w.f. polymers ranges from:
A. 1000 to 10000
B. 10000 to 100000
C. 100000 to 1000000
D. 1000 to 100000000
3 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
4 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
5 Which of these polymers is a synthetic polymer?
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
6 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
7 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
8 Iodine value of an oil or fat may be defined as
A. The number of grams of iodine taken up by 1 g of the oil or fat
B. The number of grams of iodine taken by 10 g of the oil or fat
C. The number of grams of iodine taken by 100 g of the oil or fat
D. None of the above
9 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
10 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure

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