Questions

Q:

An ecosystem consists of

A) all the plants and animals of an area B) producers, consumers, and decomposers in a particular locality
C) a living community and its environment D) carnivores and herbivores of an area
 
Answer & Explanation Answer: C) a living community and its environment

Explanation:

A living community and its environment is what an ecosystem is.

An_ecosystem_consists_of1535781515.jpg image

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Q:

Quality of a musical note depends on

A) Fundamental frequency B) Amplitude of the wave
C) Harmonics present D) Velocity of sound in the medium
 
Answer & Explanation Answer: C) Harmonics present

Explanation:
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Q:

Designing pricing strategies and programs :

How do sellers respond to price changes of their competitors?

Answer

In the light of competition, it may be seen that competitors may initiate price changes. If the cutting off on prices does not affect the company, then the current pricing strategy itself can be continued to maintain the profitability of the company. However if the price change on one firm is affecting the other, then it can:


a.reduce the product price at par with competitors’ price or below competitors’ price


or


b. Provide added advantage to the existing product like better quality, or ‘a buy one get one free’ offer.


or


c.Provide better quality of the product at a higher price thereby not being at par with the competitors.

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Q:

Rockr, a cell phone from Motorola that uses Apple's iTunes software and stores up to 100 songs in its Flash memory, has been launched by 

A) Nokia B) Samsung
C) Motorola D) Bird
 
Answer & Explanation Answer: C) Motorola

Explanation:
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Q:

What tastes better than it smells?

Answer

Tongue. Yes tongue tastes better than it smells as it can't smell.

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Q:

The rate of flow of electric charge is measured in

A) ampere B) coulomb
C) ampere/coulomb D) ampere-coulomb
 
Answer & Explanation Answer: A) ampere

Explanation:
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Q:

Study of teeth is called

A) Pedagogy B) Ornithology
C) Orthoepy D) Odontology
 
Answer & Explanation Answer: D) Odontology

Explanation:

The study or scientific study of the structure, development, and abnormalities of the teeth is called Odontology. The science that studies teeth and their surrounding tissues, especially the prevention and cure of their diseases is called Dentology.
 

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Q:

A parallel-plate capacitor of capacitance C1is  made  using  two  gold  plates.  Another parallel-plate capacitor of capacitance C2is made  using  two  aluminium  plates  with same  plate  separation,  and  all  the  four plates  are  of  same  area.  If gand aPare respectively  the  electrical  resistivities  of gold and aluminium, then which one of the following relations is correct?

A) C1>C2 B) C2>C1
C) C1pa = C2pg D) C1 = C2
 
Answer & Explanation Answer: D) C1 = C2

Explanation:

C1= capacitance of gold plates

C2=   capacitance   of   aluminium plates

rg= Gold’s resistivity

ra= Aluminium’s resistivity

As the capacitance depends on the shape,  size  &  geometrical  placing of  the  conductors  &  the  medium between them, hence, the value of capacitance  will  be  independent  of resistivity. Therefore, C1= C2

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