Questions

Q:

At what temperature (in Fahrenheit) pure water freezes?

A) 0 B) 17
C) 32 D) 39
 
Answer & Explanation Answer: C) 32

Explanation:

32oFWe know that T(°F) = T(°C) × 1.8 + 3232(°F) = 0(°C)

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Q:

Which legendary cricketer has made his debut as a commentator in the opening match of World Cup 2019?

A) Sachin Tendulkar B) Saurav Ganguly
C) Virendar Sehwag D) Rahul Dravid
 
Answer & Explanation Answer: A) Sachin Tendulkar

Explanation:
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Q:

Which structure is not part of the Endomembrane System?

A) Chloroplast B) Plasma membrane
C) Nuclear envelope D) Golgi apparatus
 
Answer & Explanation Answer: A) Chloroplast

Explanation:

The endomembrane system is composed of the different membranes that are suspended in the cytoplasm within a eukaryotic cell. These membranes divide the cell into functional and structural compartments or organelles. In eukaryotes, the organelles of the endomembrane system include the nuclear membrane, the endoplasmic reticulum, the Golgi apparatus, lysosomes, vesicles, endosomes and the cell membrane, among others.

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Q:

Singbhum is famous for 

A) Coal B) Copper
C) Iron D) Aluminium
 
Answer & Explanation Answer: C) Iron

Explanation:
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Q:

A boy is swinging a ball attached to a string in a horizotal circle. If the string snaps 

A) the ball will travel towards the center of the circle and fall down B) it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
C) it will fall down at the same place where the string breaks D) None of these
 
Answer & Explanation Answer: B) it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down

Explanation:

The centripetal force having been removed the body cannot  execute the curved path

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Q:

Which of the following is the best conductor of electricity?

A) Aluminium B) Gold
C) Silver D) Copper
 
Answer & Explanation Answer: C) Silver

Explanation:

silver is the best conductor of electricity.

When compared to remaining 3 metals, as Silver having more number of free electrons in its valency shell it is the good conductor of electricity.

Conductors Thermal Conductivity @ 25degree C

Silver --- 429
Copper --- 401
Gold --- 310
Aluminium --- 250

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Q:

Thoubal Multipurpose Project has been inaugurated in which Indian state?

 

A) Bihar B) Manipur
C) Assam D) Mizoram
 
Answer & Explanation Answer: B) Manipur

Explanation:
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Q:

Which of the statements given below are correct?

 

A) Roger Federer won the Tennis 2017 French Open Men's Singles.

B) In 2018 IPL auctions, Rajasthan Royals retained Steve Smith.

C) Serena Williams won the Tennis 2017 French Open Women's Singles.

 

A) Only B B) B and C
C) A and B D) A, B and C
 
Answer & Explanation Answer: A) Only B

Explanation:
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