Question # 1

What is the colour of rd rose in green light

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red

yellow

Black

Blue

Biochemical origin of life was discovered by

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Haidane

Muller

Oparin

Darwin

What scientist discovered that ether had anesthetic properties

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Paracelsus

Morton

Bacon

Jackson

Jaundice is a symptom of disease of

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Liver

Kidney

Thyroid

Pancreas

In a town 65% people watched the news on television , 40 % read a newspaper and 25% read a newspaper and watch ed he news on the television also. What percent of neither watched the news on neither television nor read a newspaper?

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5

10

15

20

N₂ content is kept constant in the biosphere due to:

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N_{2 fixation}

Industrial pollution

Nitrogen cycle

Absorption of N₂

A diode is?

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Functions only in one direction

Function in both the directions

Does no function at all

It gets damaged, when voltage is applied

What type of device is a 1/2 inch floppy drive?

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Storage

Software

Both a & B

None of these

what is the time required for half a radioactive substance to decay?

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Libby factor

Bisecting period

Disintegration period

Half life

In which year in Dr. Otto Hahn receive the noble prize?

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1943

1944

1942

1941

Elisha Otis is famous for invention of?

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Escalator

Elevator

Turbine

Jet engine

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