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

Which of the following is a biodegradable polymer?

Question # 2

Naturally occurring lipids are called

Question # 3

The clotting time of blood is increased due to the deficiency of

Question # 4

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

Question # 5

A nucleoside may be

Question # 6

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 7

Two vitamins absorbed from intestine along with fats are

Question # 8

Which is not an enzyme

Question # 9

The substance upon which an enzyme acts is known as its

Question # 10

Glyptal polymer is obtained from glycerol on reacting with

Question # 11

Which is not a steroid

Question # 12

Which of the following has ester linkage?

Question # 13

Monosaccharides are

Question # 14

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

Question # 15

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

Question # 16

What is the most common catalyst used in hydrogenation of oils

Question # 17

Polyester resins have special use in:

Question # 18

Which has maximum protein content?

Question # 19

Bakelite is a product formed form

Question # 20

Protein may have

Question # 21

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

Question # 22

An oil or fat with no double bond have iodine number:

Question # 23

A fibre which is made from acrylonitrile as monomer

Question # 24

Which of the following has magnesium?

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

The main structure features of proteins is

Question # 29

The disaccharide present in milk is

Question # 30

The prosthetic group in glycoprotein is

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide
A. Phosphate group
B. Deoxy ribose sugar
C. Uracil base
D. Adenine base
2 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
3 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
4 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
5 Which of the following has ester linkage?
A. Nylon
B. Bakelite
C. Terylene
D. PVC
6 The main structure features of proteins is
A. An ester linkage
B. An ether linkage
C. The peptide linkage
D. All
7 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
8 Which of the following statements is incorrect about vitamins
A. Often function as coenzymes
B. Molecules contain at least one ring structure
C. Are often synthesized by the body
D. Are polyfunctional compounds
9 Two vitamins absorbed from intestine along with fats are
A. A, D
B. A, B
C. A, C
D. D, B
10 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
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number

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