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Q:

Which of the following is true of osmosis?

A) it is a type of diffusion B) movement is against water's concentration gradient
C) requires energy D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Filed Under: Biology
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Q:

From a point, 40 m apart from the foot of a tower, the angle of elevation of its top is 60°. The height of the tower is

A) 40√3 km B) 40√3 cm
C) 40√3 m D) 40√2 m
 
Answer & Explanation Answer: C) 40√3 m

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

PR is a tangent to a circle with centre O and radius 4 cm at point Q. If ∠POR = 90°, OR = 5 cm and OP = 20/3 cm, then the length of PR is:

A) 16/3 cm B) 23/3 cm
C) 25/3 cm D) 3 cm
 
Answer & Explanation Answer: C) 25/3 cm

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

Which is an example of a physical change?

A) Dissolving sugar in water B) Breaking glass
C) Melting of ice D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.

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Filed Under: General Science
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2 1689
Q:

Which of the following statements about Woodrow Wilson is true?

A) He wanted to place strict government controls on corporations. B) He overturned discriminatory laws against African Americans.
C) He advocated eliminating the income tax. D) He opposed reforms to the banking system.
 
Answer & Explanation Answer: A) He wanted to place strict government controls on corporations.

Explanation:

Woodrow Wilson was one of the major "Progressives" in American government and so 'He wanted to place strict government controls on corporations.'

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Filed Under: World History
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Q:

The world's most liveable city 2018?

A) Melbourne B) Damascus
C) Dhaka D) Vienna
 
Answer & Explanation Answer: D) Vienna

Explanation:

Vienna has become the world's most pleasant city to live in by topping the Global Liveability Index of the Economist Intelligence Unit by dislodging Melbourne, the Austrian capital.

 

While Damascus retained the last place and Dhaka, Bangladesh's capital was in second last place in the annual survey examined 140 metropolitan cities.

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Filed Under: General Awareness
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Q:

The World Music Day is celebrated across the world on

A) June 26 B) June 21
C) June 17 D) June 11
 
Answer & Explanation Answer: B) June 21

Explanation:

The World Music Day is celebrated across the world on 21 June.

 

The day is also known as 'Fete de la Musique' after a music festival that began in France in 1982.

 

This Day was first celebrated on 21st June 1982.

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Filed Under: Important Days and Years
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Q:

Which molecule is nonpolar and has a symmetrical shape?

A) NH3 B) HCl
C) H2O D) CH4
 
Answer & Explanation Answer: D) CH4

Explanation:

Among the given options, CH4 is a non polar molecule with symmetrical tetrahedral shape.

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Filed Under: Chemistry
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