Question # 1

A reduction of 20% in the price of rice enables a person to buy 3.5 kg more rice for Rs. 385. The original price of rice par kg is?

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Rs. 25

Rs.22.5

Rs. 27.5

Rs. 20

Which became the first noble laureate in chemistry?

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Jacobus Hendricus van't Hoff

Sinclair Lewis

William Butler yeats

John Galsworthy

Streptococcus infection cause all of the following EXCEPT?

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Tetanus

Scarlet Fever

Rheumatic fever

Impetigo

KMnO₄ can be used as a/an?

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Fertiliser

insecticide

disinfectant

pesticide

What are antibodies made of?

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Glucose

Fats

Proteins

None of these

Dynamo is a device used to transformation of mechanical energy into?

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Electrical energy

Heat energy

Mechanical

Sound energy

What is the chemical name of vitamin B-5?

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Pantothenic acid

Retinol

Pyridoxine

Ergocalciferol

What is the value of knee voltage of silicon diode?

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0.3 V

0.33 V

0.7 V

1.1 V

The capacitance, in force- current analogy, is analogous to-

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Momentum

Velocity

Displacement

Mass

Which of these is not an enzyme natural of artificial, that is used for medicinal or research purposes?

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Ribonuclease

Urease

Stomach gastrin

L -asparaginase

A program written using binary codes is called?

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Machine language

World language

Binary language

Basic language

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