Questions

Q:

Which of the following elements is a metalloid?

A) arsenic B) boron
C) antimony D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

A metalloid is any chemical element which has properties in between those of metals and nonmetals, or that has a mixture of them.

The six commonly recognised metalloids are

boron,

silicon,

germanium,

arsenic,

antimony, and

tellurium.

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Filed Under: Chemistry
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Q:

At what temperature do pathogenic bacteria grow best in food?

A) 5 to 15 degrees Celsius B) 15 to 25 degrees Celsius
C) 20 to 45 degrees Celsius D) 40 to 65 degrees Celsius
 
Answer & Explanation Answer: C) 20 to 45 degrees Celsius

Explanation:

The Bacteria that causes Food Borne illness are called Food Borne Pathogens. Most of the pathogens are mesophilic in nature, optimum temperature may be around 20-45 degree celsius. This range of temperatures is often called the "Danger Zone." Dry foods do not support the growth of bacteria.

 

In order to kill pathogenic bacteria you need temperatures above 74ºC. Temperature is the easiest factor to control in order to prevent bacterial growth.

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Filed Under: Biology
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Q:

Which describes the correct pairing of DNA bases?

A) guanine - cytosine B) adenine - cytosine
C) guanine - thymine D) thymine - cytosine
 
Answer & Explanation Answer: A) guanine - cytosine

Explanation:

The correct pairing of DNA bases among the given options is guanine - cytosine.

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Filed Under: Biology
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Q:

Identify the sentence in which an adverb clause is used.

A) Many of the team members were inexperienced players who were playing in their first championship game. B) Although rain was drenching the players the players still finished the game.
C) The game was played under the bright lights so that the players could see well enough to hit the ball. D) All of the above
 
Answer & Explanation Answer: B) Although rain was drenching the players the players still finished the game.

Explanation:

'Although rain was drenching the players the players still finished the game' is the correct sentence in which an adverb clause is underlined. This adverb clause starts with a subordinating conjunction 'although' and contains a subject 'rain' and the verb is 'was drenching'. The adverb clause changes the verb 'finished' in the main clause.

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Filed Under: English
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Q:

What is the defining right of a representative democracy?

A) the right to vote B) the right to freedom of speech
C) the right to petition the government D) the right to freedom of religion
 
Answer & Explanation Answer: A) the right to vote

Explanation:

The defining right of a representative democracy is the ability to vote for representatives to make decisions on their behalf.

 

 What_is_the_defining_right_of_a_representative_democracy1557485298.jpg image

 

In democratic government, elections are held regularly, in which voters vote for someone who will serve in the levels of local, state, and federal government.

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Filed Under: Indian Politics
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Q:

Which of the following describes loyalists?

A) They thought Patriots were too radical B) They decided to fight against the British
C) They wanted to return to Britain D) They supported British taxation
 
Answer & Explanation Answer: A) They thought Patriots were too radical

Explanation:

They thought Patriots were too radical is the statement which describes loyalists correctly.

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Filed Under: Indian History
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Q:

If a+b+c = 6 and ab+bc+ca = 1, then the value of bc(b+c) + ca(c+a) +ab(a+b) +3abc is

A) 33 B) 66
C) 55 D) 23
 
Answer & Explanation Answer: B) 66

Explanation:
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Q:

Consider the following statements relating to Coal India Limited:1. It is designated as a 'Maha Ratna'company under the Ministry of Coal.2. It is the single largest coal producing company in the world.3. The Headquarters of Coal India Limited is located at Ranchi Jharkhand.
Which of the statements given above is/are correct?

A) 1 only B) 1 and 2only
C) 2 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: B) 1 and 2only

Explanation:

Headquarters Kolkata, West Bengal, IndiaCoal India Limited (CIL) is an Indian state-controlled coal mining company headquartered in Kolkata, West Bengal, India and the largest coal-producing company in the world and a Maharatna company.

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Filed Under: Indian Geography
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