GATE Questions

Q:

Which of the following has the shortest wavelength?

A) Gamma rays B) Radio waves
C) Microwaves D) Infrared rays
 
Answer & Explanation Answer: A) Gamma rays

Explanation:

Gamma rays has the shortest wavelength and radio waves has the longest wavelength.

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Q:

Which of the following is an example of plagiarism?

A) A student is expected to write a book report about a book that his teacher has assigned. The student doesn't want to read the book and is bored with the subject. He visits websites that provide reviews and book reports and he copies from each of the diffe B) A writer decides that he wants to create an Internet website to generate ad revenue. Instead of writing his own articles, he visits twenty other websites that have articles on the topic in which he is interested. He copies each of the articles, changes th
C) When a writer reuses a mix of word, phrases, and ideas from a source without indicating which words and ideas have been borrowed and/or without properly citing the source. D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Duplicating the content or Copying words or ideas from someone else WITHOUT giving credit is called Plagiarism.

Plagiarism can be a violation of copyright laws and can be considered cheating.

  

Types of Plagiarism :: 

 

1. Direct Plagiarism

 

2. Mosaic Plagiarism

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Q:

The mass of a mole of NaCl is the

A) 58.44 gm/mol B) 57.25 gm/mol
C) 56.31 gm/mol D) 59.14 gm/mol
 
Answer & Explanation Answer: A) 58.44 gm/mol

Explanation:

To get the mass of a mole of NaCl, we need to add the molar atomic weights of the individual elements i.e, Na and Cl

Atomic weights of Na = 22.99 gm/mol  Cl = 35.45 gm/mol

 

Now, mass of a mole of NaCl = 22.99 + 35.45 = 58.44 gm/mol.

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Q:

The flow of thermal energy is called

A) Heat B) Current
C) Voltage D) Potential
 
Answer & Explanation Answer: A) Heat

Explanation:

The flow of thermal energy due to differences in their temperatures is called Heat.

The_flow_of_thermal_energy_is_called1558527324.png image

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2 1406
Q:

Which of the following statements about DNA replication is false?

A) The enzyme that catalyzes DNA replication is DNA polymerase. B) Unwinding of the DNA molecule occurs as hydrogen bonds break.
C) The process is known as semiconservative replication because one old strand is conserved in the new molecule. D) Replication occurs as each base is paired with another exactly like it.
 
Answer & Explanation Answer: D) Replication occurs as each base is paired with another exactly like it.

Explanation:
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Q:

The former cricketer/cricketers who was/were inducted into the ICC Cricket Hall of Fame 2018 in Dublin, Ireland

A) Claire Taylor B) Ricky Ponting
C) Rahul Dravid D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Former captains Rahul Dravid of India, Ricky Ponting of Australia and retired England Women wicketkeeper-batter Claire Taylor were inducted into the ICC Cricket Hall of Fame 2018 during a glittering ceremony in Dublin, Ireland.

 

Former Team India captain Rahul Dravid has become the fifth Indian cricketer after Anil Kumble, Sunil Gavaskar, Bishan Singh Bedi and Kapil Dev to be inducted into the ICC Hall of Fame.

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Q:

What natural factors contribute to global climate?

A) Forest Fires B) Solar Activity
C) Melting Permafrost D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Global warming is the increase in the earth’s average temperature due to release of several greenhouse gases to the atmosphere by humans. Global warming is affecting many parts of the world.

 

Natural Causes include :

1. Solar Activity

2. Melting Permafrost

3. Forest Fires 

 

Human made causes include :

1. Deforestation

2. Overpopulation

3. Landfills

4. Mining

5. Fertilizer Use

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Q:

A person who pretends to be what he is not?

A) Posthumous B) Glutton
C) Imposter D) Rogue
 
Answer & Explanation Answer: C) Imposter

Explanation:

A person who pretends to be what he is not is an Imposter.

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