Q:

Elisa test is employed to diagnose

A) HIV	B) Cancer
C) Tuberculosis	D) Polio

Answer & Explanation Answer: A) HIV

Explanation:

ELISA - Enzyme-Linked Immuno Sorbent Assay.

test11528447143.jpg image

An ELISA test may be used to diagnose: HIV, which causes AIDS.

An ELISA also called EIA, is a test that detects and measures antibodies in your blood. Antibodies are proteins that your body produces in response to harmful substances called antigens.

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Q:

Which of the following was most probably the first metal to be used in India?

A) copper	B) Gold
C) Siver	D) Iron

Answer & Explanation Answer: A) copper

Explanation:

The earliest historic evidences of use of metal are of Chalcolithic Age or Stone-Copper Age, which covered the period from 1800 - 800 BC. This period was by the use of Copper as well as stone.

Hence, the first metal to be used in India is Copper.

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Q:

Which world organization uses commonly the letters UNCTAD instead of its whole name?

A) UN Conference on Trade And Development	B) UN Conference on Trading And Deposits
C) UN Chambers on Trading And Development	D) UN Conference on Trade And Downpayments

Answer & Explanation Answer: A) UN Conference on Trade And Development

Explanation:

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Filed Under: World Organisations

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Q:

Which one of the following groups have quantities that do not have the same dimensions

A) pressure, stress	B) velocity, speed
C) force, impulse	D) work, energy

Answer & Explanation Answer: C) force, impulse

Explanation:

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Filed Under: Physics

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Q:

Most bacteria reproduce by

A) budding	B) binary fission
C) fragmentation	D) mitosis

Answer & Explanation Answer: B) binary fission

Explanation:

Most bacteria is reproduce by binary fission.

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Q:

Oath taken by medical graduates is given by-

A) Theophrastus	B) Aristotle
C) Darwin	D) Hippocrates

Answer & Explanation Answer: D) Hippocrates

Explanation:

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Filed Under: Biology
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Q:

Which statement about electrons and atomic orbitals is NOT true?

A) An orbital can contain a minimum of two electrons	B) An electron has the same amount of energy in all orbitals
C) An atom’s lowest energy level has only two orbitals	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Yes, all the given statements are NOT true about electrons and atomic orbitals.

True statements are ::

An orbital can contain a maximum of two electrons.

An atom’s lowest energy level has only one orbital.

An electron has different amount of energies in all orbitals.

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Filed Under: Chemistry
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Q:

Salinity in Ocean water decreases when

A) evaporation is more	B) wind velocity is high
C) rainfall is heavy	D) humidity is high

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