Questions

Q:

What measures Air pressure?

A) Barkometer B) Bolometer
C) Spectrometer D) Barometer
 
Answer & Explanation Answer: D) Barometer

Explanation:

Air Pressure can be defined as the pressure of air in the earth's atmosphere. It reaches a maximum of about 100,000 Pa near sea level and decreases as altitude increases.

The barometer is an instrument which is used for measuring Air pressure.

 

Physics instruments and their uses:

 

Barkometer  - - - Tanning liquors used in tanning leather

Bolometer  - - - Electromagnetic radiation

Spectrometer - - -  Properties of light.

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Q:

Most Explosive Type of Volcano is

A) The Cinder Cone B) Rhyolite caldera complexes
C) Shield Volcanoes D) The Basault Volcanoes
 
Answer & Explanation Answer: B) Rhyolite caldera complexes

Explanation:
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Q:

Electromagnetic waves are transverse in nature is evident by

A) Reflection B) Polarisation
C) interference D) Diffraction
 
Answer & Explanation Answer: B) Polarisation

Explanation:
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Q:

The process of bones increasing in width is known as

A) appositional growth B) closing of the epiphyseal plate
C) concentric growth D) long bones reaching adult length and width
 
Answer & Explanation Answer: A) appositional growth

Explanation:
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Q:

Which describes the correct pairing of DNA bases?

A) guanine - cytosine B) adenine - cytosine
C) guanine - thymine D) thymine - cytosine
 
Answer & Explanation Answer: A) guanine - cytosine

Explanation:

The correct pairing of DNA bases among the given options is guanine - cytosine.

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Q:

The largest word class in English?

A) Nouns B) Verbs
C) Prepositions D) Adjectives
 
Answer & Explanation Answer: A) Nouns

Explanation:

Nouns form the largest word class, and verbs the second-largest in English.

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Q:

The word OPERA means what in Italian?

A) Word B) Work
C) Energy D) Force
 
Answer & Explanation Answer: B) Work

Explanation:
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Q:

Who among the following economists gave the concept of "economies of scale". Which says "many goods and  services can be produced more cheaply in long series"?

A) Edward C.Prescott B) Amartya Sen
C) Gray S.Becker D) Paul Krugman
 
Answer & Explanation Answer: D) Paul Krugman

Explanation:
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