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Q:

Every ecosystem must have

A) Autotrophs B) Heterotrophs
C) Both A & B D) photosynthesizers
 
Answer & Explanation Answer: A) Autotrophs

Explanation:

Every ecosystem must have Autotrophs.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
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4 2516
Q:

Who was the last Emperor of Rome ?

A) Nero B) Ceaser
C) Romulus Augustulus D) Julius
 
Answer & Explanation Answer: C) Romulus Augustulus

Explanation:
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Filed Under: World History

1 2516
Q:

What is the Capital of Namibia?

A) Windhoek B) Mogadishu
C) Utrecht D) Mombasa
 
Answer & Explanation Answer: A) Windhoek

Explanation:

Windhoek is the Capital of Namibia.

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Filed Under: World Geography
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Q:

Who is the first Chief Election Commissioner of India?

A) Kalyan Sundaram B) Sukumar Sen
C) V.S. Ramadevi D) T.N. Seshan
 
Answer & Explanation Answer: B) Sukumar Sen

Explanation:

Sukumar Sen, a civil servant who served as the first Chief Election Commissioner of India from 21 March 1950 to 19 December 1958.

 

Who_is_the_first_Chief_Election_Commissioner_of_India1557483367.jpg image

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Filed Under: Indian Politics
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2 2516
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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Filed Under: Physics
Exam Prep: Bank Exams

0 2515
Q:

Which lenses should be used to correct the defect of astigmatism?

A) Convex lens B) Bifocal lens
C) Concave lens D) Cylindrical lens
 
Answer & Explanation Answer: D) Cylindrical lens

Explanation:

Astigmatism is a common vision condition that causes blurred vision. It occurs when the cornea is irregularly shaped or sometimes because of the curvature of the lens inside the eye.

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Filed Under: Physics
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9 2514
Q:

What occurs once in a minute twice in a moment?

Answer

Here the letter 'M' appears once in Minute and twice in a MoMent.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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5 2514
Q:

Which of the following can be kept in memory when the DB2 configuration parameter KEEPFENCED is enabled?

A) SQLDAS after their cursor is closed. B) Referential integrity maps after a join.
C) Stored procedure processes after they are run. D) Tables after they have been read into the buffer pool.
 
Answer & Explanation Answer: C) Stored procedure processes after they are run.

Explanation:
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Filed Under: IBM Certification

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