Question # 1

Caseinogen is

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Simple protein

Derived protein

Phosphoprotein

Rich in sulfur containing amino acids

L-asparginase is helpful in treatment of

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skin disease

blood cancer

heart failure

obstructive jaundice

Sponification is the hydrolysis of fats or oil with an:

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alkali

base

enzyme

metallic ion

The pH range of acid rain is:

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6.5 -6

8-7.5

Less than 5

7- 6.5

Which of the following is not a charbohydrate

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Nuclic acid

Starch

Glycoyen

Cellulose

solubility of carboxylic acids decreases in water with increase in molar mass because

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Bigger molecules are more polar

bigger molecules have bigger non-polar groups

bigger molecules make more hydrogen bonds

bigger molecules can form lesser hydrogen bonds/molecule

Boyle's law does not fall even:

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Temperature is extremely high.

Pressure is extremely high.

Mixture of gases is taken.

All of above.

Which of the following statement is not true?

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The pressure of a gas is due to collision of the gas molecules with the walls of the container.

The molecular velocity of any gas is proportional to the square root of the absolute temperature.

The rate of diffusion of a gas is directly proportional to the density of the gas at constant pressure.

Kinetic energy of an ideal gas is directly proportional to the absolute temperature.

During the nitration of benzene the nitrating agent is

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NO3

NO2+

NO2-

HNO3

Potable water is considered to be:

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safe for human consumption

the ground water

the Surface water

now water is due to the salt of:

In the cyclic structure of the glucose when the position of atoms on carbon 1 is called one isomer changes to other. These isomers of glucose are called:

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metamers

position isomers

cis-trans

annomers

The correct order of 2nd l.P. of C,N,O and F is

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O > F > N > C

O > N > F > C

C > N > O > F

F > O > N > C

Which one of the following elements occurs free in nature?

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N

P

As

Sb

During electrolysis, the reaction that takes place at cathode is :

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Reduction

Both (a) and (c)

Oxidation

No reaction occurs

Reaction of Grignard's reagent eith aldehyds other formaldehyde gives: Reaction of Grignard's reagent with formaldehyde gives:

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Pri-alcohol

Sec-alcohol

Ter-alcohol

Carboxylic

Easter are pleasant smelling compounds. Which ester posseses odour like pineapple

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Amylacetate

Amylbutyrate

Ethylbutyrate

Benzylacetate

Acetic anhydride is obtained form acetyl chloride by the reaction of

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P₂O₅

H₂SO₄

CH₃COONa

CH₃COCH₃

Source of organic compounds primarily is:

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Plants

Animals

Minerals

A & B

Dilatometric method is used for rate determination when

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Reactions involving change of optical

Reactions involving change of optical activity

Reactions involving small volume change

None of above

Unpleasant smell of carbylamine is obtained when chloroform and alcoholic KOH are heated with

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Any aromatic amine

Any primary amine

Any amine

Any aliphatic amine

Subsidiary quantum number specifies

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size of orbital

shape of orbital

orientations of orbitals

Nuclear stability

In a Galvanic cell, the electrons flow from

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A node to cathode through the solution

Cathode to anode through the external circuit

Anode to cathode through the external circuit

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