Question # 1

RNA regulate the synthesis of

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Vitamis

Carbohydrate

Proteins

Lipids

Glucose and fructose are isomers

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Chain isomers

Position isomers

Functional group isomers

Metamers

One of the following is a ionic solid. Which is that?

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Fe

KBr

Diamond

Cr

As gases can adopt the shape of the container. Therefore gases have:

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different shapes

fixed shapes

no fixed shapes

definite shapes

Amino acid produce α-hydroxy carboxylic acid when treated with

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KNO₃/HBr

Zn/HCI

NaNO₂/HCI

Pd/BaSO₄

In macromolecules DP stands for

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Dissociation parameter

Dissociation polymer

Degree of polymerization

None of these

Which one of the following is not a component of environment

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Biosphere

Stratosphere

Hydrosphere

Lithosphere

During the manufacturing process of cement the temperature of the decomposition zone goes up to:

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600°C

800°C

1000°C

1200°C

For incineration temperature range is (in ^oC)

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700-800

800-900

900-1000

1000-1100

Ethyl alcohol reacts with PCL and produces:

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Haloalkane

Alkyl halide & H3PO3,

Alkyl halide & POCl3

Alkyl halides &H3PO4.

By convention, the standard heat of formation of all elements is assumed to be

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Zero

positive

Negative

Infinity

The sample being analyzed is called

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Electrolyte

Substance

Analyte

All of above

Shape of CIO₃is

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Triangular pyramidal

Tetrahedral

Triangular planar

Triangular bipyramidal

The cell which generates electricity as a result of spontaneous oxidation-reduction reaction is called

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Electrolytic cell

Nelson's cell

Galvanic cell

Down's cell

Which gasses are produced from landfills

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NH₃

H₂S

N₂

All of these

Each of the following compounds is effective as a refrigerant. The release of which one of these causes the greatest depletion of the ozone layer

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CCl₂F₂

CH₃OCH₃

CH₃CHF₂

CH₃CH₂CH₃

Splitting of spectral lines when atoms are subjected to strong electric field is called:

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Zeeman effect.

Stark effect

Photoelectric effect.

Compton effect.

Which of the following particles has longest wavelength, if they have same speed:

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Proton.

Neutron.

Electron.

Positron.

The rate of E₁reaction depends upon:

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The concentration of substrate

The concentration of nucleophile

The concentration of substrate as well as nucleophile

None of these

A carboxylic acid containing Ar group in it is called:

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Aromatic carboxylic acid

Allphatic carboxylic acid

Dicarboxylic acid

Carboxylic acid

Alcohols are named by replacing 'e' of alkane with:

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al

ene

ol

one

Acetic acid is manufactured by:

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Distillation

Fermentation

Ozonolysis

Esterification

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