Question # 1

Monosaccharides and oligosacchradies are generally called as

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Crystals

Sugars

Liquids

Non-sugars

The temp. and pressure used for PVC polymerization is

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10°C and 10 atm

20°C and 20 atm

52°C and 9 atm

100°C and 10 atm

The monomeric units of starch is/are

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Glucose

Fructose

Glucose and fructose

Mannose

Which one of the following is a water soluble vitamin

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D

K

A

Ascorbic acid (Vic C)

Plastics are a pollution problem because many plastics

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Are made from petroleum

Are very inflammable

Burn to produce toxic fumes

Decompose to produce toxic products

Bakelite is a product formed form

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Reaction of formaldehyde with phenol

Reaction of polyethylene with phenol

Reaction of polypropylene with acid

It is a natural product

Which of the following is the repeating monomeric unit in cellulose

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Sucrose

Maltose

Cellobiose

Glucose

Which of the following is a constituent of nylon?

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Adipic acid

Styrene

Teflon

None of these

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

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Carbohydrates

Lipids

Fatty acids

Proteins

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

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Thermoplastic

Thermosetting

Both a and b

None

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

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Zero

100%

50%

Minimum

Which of the following has magnesium?

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Carbonic anhydrase

Haemocyanin

chlorophyll

Vitamin B₁₂

Which of the following enzymes brings about the hydrolysis of fats?

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Urease

Maltase

Zymase

Lypase

Which of the following is an example of ketohexose?

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Mannose

Galactose

Maltose

Fructose

The development of disagreeable odur in fats or oil is called

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Fragrance

Perfume

Rancidity

Smell

Which of the following is a molecular diseases?

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Allergy

Cancer

German measles

Sickle cell anemia

The proteins which are derived by conjugated proteins are called as

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Simple protein

Complex protein

Derived protein

None

The raw material to form nylon is

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Adipic acid

Butadiene

Isoprene

Ethylene

Cotton has cellulose in it:

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96%

97%

98%

99%

Orlon is a polymer of

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Tetrafluoroethylene

Acrylonitrile

Ethanoic acid

Benzene

When a nitrogeneous base combine with a sugar it is called

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Ribose

Nucleotides

Nucleoside

None

C₆H₁₂O₆ is molecualr formula of:

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Glucose

Dextrose

Fructose

All of these

The disaccharide present in milk is

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Sucrose

Maltose

Lactose

Cellobiose

Which teat is not given by both glucose and fructose

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Give yellow ppt of CHl₃with alkaline aqueous iodine

With 2, 4-DNPH give yellow ppt of hydrazone

Evolve H₂gas with Na metal

Oxidised with [Ag(NH₃)₂]⁺i.e. Tollen's reagent

Which of these polymers is a synthetic polymer

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Animal fat

Starch

Cellulose

Polyester

Enzymes, in the living systems

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Provide energy

Provide immunity

Transport oxygen

Catalyze biochemical processes

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

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They are allα-amino acids

They are all optically active

They have high decomposition point

They are water soluble

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

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Carbon

Hydrogen

Nitrogen

Sulphur

The other name of cross linked polymers is

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Linear polymer

Branched polymer

Inter connected polymers

None of these

Sterols, vitamin D and terpenese belong to

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Simple lipids

Complex lipids

Derived lipids

None

One of the followings is not type of polymer

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Homopolymer

Copolymer

Heteropolymer

Terpolymer

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ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers

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