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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 25 Macromolecules

00:00
Question # 1

The temp. and pressure used for PVC polymerization is

Question # 2

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 # 3

Plastics are a pollution problem because many plastics

Question # 4

Which one of the following is a water soluble vitamin

Question # 5

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

Question # 6

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 7

Iodine value of an oil or fat may be defined as

Question # 8

A fibre which is made from acrylonitrile as monomer

Question # 9

Which of the following is a molecular diseases?

Question # 10

Nylon, 6,6 is a condensation polymer of

Question # 11

Which of the following has ester linkage?

Question # 12

Vegetable oils are

Question # 13

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 14

Soft drinks and baby feeding bottles are generally made up of

Question # 15

The proteins which are derived by conjugated proteins are called as

Question # 16

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

Question # 17

Cotton is ______% cellulose

Question # 18

Which of these polymers is a synthetic polymer?

Question # 19

Copolymer is

Question # 20

Vitamin A is present in

Question # 21

Plastics are a pollution problem because many plastics

Question # 22

Substances that render enzymes catalytically inactive are called

Question # 23

Purines include

Question # 24

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

Question # 25

Of the following which is a step growth polymer

Question # 26

Which of the following is not an example of addition polymer?

Question # 27

β-D-glucose is a monomer for

Question # 28

Monosaccharides are

Question # 29

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

Question # 30

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

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 25 Macromolecules MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 25 Macromolecules MCQ`s Test

  • F
    Farzand Shah Farzand Shah 23 - May - 2024 02 Min 04 Sec 120/120
  • S
    SHANI 25 09 - Jun - 2023 05 Min 51 Sec 120/120
  • N
    Nasreen Sardar 12 - Jun - 2023 01 Min 09 Sec 115/120
  • T
    TETO Teto 13 - Mar - 2023 01 Min 45 Sec 115/120
  • T
    Tanzeel Ur Rehman 29 - May - 2024 03 Min 20 Sec 110/120
  • A
    Ali hassan 23 - Feb - 2023 02 Min 45 Sec 105/120
  • A
    Arian Ahmed 13 - Mar - 2024 00 Min 12 Sec 100/120
  • J
    Jiya Khan 08 - Mar - 2024 03 Min 53 Sec 100/120
  • M
    Muhammad Sabtain Umar 10 - Mar - 2023 04 Min 36 Sec 100/120
  • A
    Ayan Khan 05 - Aug - 2024 03 Min 31 Sec 95/120
  • Z
    Zoha Shahabaz 12 - Mar - 2023 04 Min 47 Sec 95/120
  • T
    Tamshi Sohail 08 - May - 2024 06 Min 30 Sec 95/120
  • C
    Computer mail 09 - Feb - 2026 25 Min 40 Sec 92/120
  • A
    Alizairfan 27 - May - 2024 04 Min 23 Sec 90/120
  • G
    GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 30 - May - 2024 05 Min 09 Sec 90/120

ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Polymer formation from monomers starts by
A. Condensation reaction between monomers
B. Coordination reaction between monomers
C. Conversion of monomer to monomer ions by protons
D. Hydrolysis of monomers
2 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
3 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
4 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
5 Which one of the following enzymes brings about the hydrolysis of fats
A. Urease
B. Maltase
C. Zymase
D. Lypase
6 The reaction between fat and NaOH is called:
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Sponification
7 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
8 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products
9 (CH2O)nis general formula for
A. Monosaccharides
B. Oiligosaccharides
C. Polysaccharides
D. None of these
10 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton

Test Questions