GATE Questions

Q:

For Gamma radiation, what stops its penetrating abilities?

A) Lead B) Steal
C) Concrete D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The highly energetic gamma particles can penetrate most compounds that stop by other types of radiation. However, lead, steel, or concrete can reduce the high energy of these particles, making them less penetrating.

 

Hence, Gamma radiation can be stopped by a several inches of lead or steel, or several meters of concrete.

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Q:

Which sport man is branded as "Fast Man on Earth"?

A) Milka Singh B) Usain Bolt
C) Ronaldo D) Christian
 
Answer & Explanation Answer: B) Usain Bolt

Explanation:

Usain Bolt is branded as "Fast Man on Earth".

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Q:

Energy stored in the nucleus of an atom is called

A) Nuclear energy B) Atomic energy
C) Potential energy D) Kinetic energy
 
Answer & Explanation Answer: A) Nuclear energy

Explanation:
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Q:

Which of these is ATP?

A) 3 Phosphate groups attached to chromosome attached to Adenine B) 3 Phosphate groups attached to a Ribose attached to Adenine
C) 3 Phosphate groups attached to a Ribose attached to Thymine D) None of the above
 
Answer & Explanation Answer: B) 3 Phosphate groups attached to a Ribose attached to Adenine

Explanation:

ATP is a Adenosine Triphosphate.

 

ATP is 3 Phosphate groups attached to a Ribose attached to Adenine.

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Q:

Are Alternate Exterior Angles congruent?

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

We know that,


Alternate Exterior Angles Theorem::


The Alternate Exterior Angles Theorem states that, when two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent .



Converse of the Alternate Exterior Angles Theorem ::


Converse of the Alternate Exterior Angles Theorem states that, If two lines are cut by a transversal and the alternate exterior angles are congruent, then the lines are parallel.

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Subject: Arithmetical Reasoning
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Q:

The complexity of linear search algorithm is

A) O(n2) B) O(n log n)
C) O(n) D) O(log n)
 
Answer & Explanation Answer: C) O(n)

Explanation:

The worst case complexity of linear search is O(n).

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Q:

Which sentence is Punctuated correctly?

A) The conference was only supposed to be an hour; however, it ran for nearly two and half hours. B) The conference was only supposed to be an hour, however; it ran for nearly two and half hours.
C) The conference was only supposed to be an hour. however, it ran for nearly two and half hours. D) The conference was only supposed to be an hour; however it ran for nearly two and half hours.
 
Answer & Explanation Answer: A) The conference was only supposed to be an hour; however, it ran for nearly two and half hours.

Explanation:

The correct punctuated sentence is A

The conference was only supposed to be an hour; however, it ran for nearly two and half hours.

 

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Q:

In general, which is the cause of a land breeze?

A) Pressure B) Heat
C) Temperature D) None of the above
 
Answer & Explanation Answer: C) Temperature

Explanation:

The land breeze is a coastal breeze at night blowing from the land to the ocean. It is caused by the difference in the rates of cooling of the land and of the ocean. Once again, the bigger the difference in temperature between the two, the stronger the wind.

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