ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.#	Question	Answer
1	Which of the following polymers is used for weather resistant paints	A. Arcylic resins B. Polyvinyl acetate C. Polystyrene D. PVC
2	Enzymes are	A. Proteins B. Minerals C. Oils D. Fatty acids
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	Monosaccharides belong to the group	A. Lipids B. Fats C. Proteins D. Carbohydrates
5	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
6	Which carbohydrates is an essential constituent of plant cells?	A. Starch B. Cellulose C. Sucrose D. Vitamins
7	Which behaves as insulator for animals body?	A. Carbohydrates B. Proteins C. Fats D. Skin
8	Vegetables oils are:	A. Unsaturated fatty acids B. Glycerides of unsaturated fatty acids C. Essential oils obtained form plants D. None of these
9	Among the following polymers, the strongest molecular forces are present in	A. Elastomers B. Fibres C. Thermoplactics D. Thermosetting polymers
10	The raw material to form nylon is	A. Adipic acid B. Butadiene C. Isoprene D. Ethylene

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ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

ECAT Chemistry Chapter 25 Macromolecules

Monosaccharides belong to the group

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Orlon is a polymer of

The group linkage present in fats is

Which is a protein?

β-D-glucose is a monomer for

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

Simple sugars are :

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

A condensation polymer among the following is

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

Which polymerization is free radical machanism based

Sterols, vitamin D and terpenese belong to

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

The fiber which is made from acrylonitrile as monomer:

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

DNA has deoxyribose, a base and the third component is

Polysaccharides are also called

Teflon, styron and neoprene are all

Polymer formation from monomers starts by

There are 20 amino acids found in protein which is not the property of these amino acids

The other name of cross linked polymers is

Bakelite is obtained from phenol by reacting with

Which of the following is obtained by condensation polymerization?

Enzymes, in the living systems

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Iodine value of an oil or fat may be defined as

In which of these processes are smell organic molecules made into macromolecules?

Synthetic polymer prepared from caprolactum is known is

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ECAT Chemistry Chapter 25 Important MCQ's

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