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 disaccharide present in milk is

Question # 2

Peptide bond is a key feature in

Question # 3

Which of the following is a biodegradable polymer?

Question # 4

Glycine at pH7 has the structure

Question # 5

Cotton is ______% cellulose

Question # 6

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 7

The reaction between fat and NaOH is called:

Question # 8

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

Question # 9

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 # 10

Bakelite is a product formed form

Question # 11

In fructose the possible optical isomers are

Question # 12

Which one of the following is not an example of chain growth polymer?

Question # 13

The group linkage present in fats is

Question # 14

The prosthetic group in glycoprotein is

Question # 15

Glycogen is stored in

Question # 16

The polymers which can not be re-softened again and again are called

Question # 17

Which property is not present in lipids?

Question # 18

DNA has deoxyribose, a base and the third component is

Question # 19

Protein are classified into

Question # 20

The monomeric units of starch is/are

Question # 21

Which is not a steroid

Question # 22

Nylon, 6,6 is a condensation polymer of

Question # 23

Vegetable oils are

Question # 24

Natural rubber is a polymer of

Question # 25

Which of the following has ester linkage?

Question # 26

The protein which only yield amino acids and their derivatives

Question # 27

Which of the following is not present in RNA?

Question # 28

The fiber which is made from acrylonitrile as monomer:

Question # 29

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

Question # 30

Cotton has cellulose in it:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 There are 20 amino acids found in protein which is not the property of these amino acids
A. They are allα-amino acids
B. They are all optically active
C. They have high decomposition point
D. They are water soluble
2 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
3 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
4 The disaccharide present in milk is
A. Sucrose
B. Maltose
C. Lactose
D. Cellobiose
5 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
6 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
7 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
8 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene
9 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
10 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase

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