Questions

Q:

Which of the following statements is Incorrect?

A) Atomic size increases from top to bottom B) All the elements of a group have same valency
C) Isotopes of the same elements are placed in the same group D) Atomic radius generally decreases from left to right
 
Answer & Explanation Answer: C) Isotopes of the same elements are placed in the same group

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Filed Under: Chemistry
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Q:

Ice floats on water because its density is

A) more than water B) zero
C) less than water D) same as water
 
Answer & Explanation Answer: C) less than water

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Filed Under: Chemistry
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Q:

What did Edward Jenner pioneer?

A) Vaccination B) Electrocution
C) Dialysis D) Open heart surgery
 
Answer & Explanation Answer: A) Vaccination

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Filed Under: General Science
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Q:

What does PDA stand for?

A) Personal Data Assistant B) Personal Digital Assistant
C) Prime Data Assistant D) Prime Digital Assistant
 
Answer & Explanation Answer: B) Personal Digital Assistant

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Filed Under: General Awareness
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Q:

Which country in the month of November 2015 was ranked no.1 men's team for the first time in FIFA rankings?

A) Nigeria B) Belgium
C) Russia D) Portugal
 
Answer & Explanation Answer: B) Belgium

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Q:

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

A) 89/7 B) 89/21
C) 88/21 D) 88/7
 
Answer & Explanation Answer: D) 88/7

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Q:

World Environment Day is observed on

A) February 28 B) May 16
C) June 05 D) September 12
 
Answer & Explanation Answer: C) June 05

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Filed Under: Important Days and Years
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Q:

Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be

A) 30 ohm B) 10 ohm
C) 5 ohm D) 20 ohm
 
Answer & Explanation Answer: A) 30 ohm

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Filed Under: Physics
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