Exams


Q:

Which of the following vitamins are water soluble?

A) Vitamins B & C B) Vitamins K, D & C
C) Vitamins A, D & K D) Vitamins A, K, B, C & D
 
Answer & Explanation Answer: A) Vitamins B & C

Explanation:

Vitamins are essential nutrients found in foods. They perform specific and vital functions in a variety of body systems, and are crucial for maintaining optimal health.

 

The two different types of vitamins are fat-soluble vitamins and water-soluble vitamins.

 

Fat-soluble vitamins :

 Vitamins A, D, E and K — dissolve in fat before they are absorbed in the bloodstream to carry out their functions. Excesses of these vitamins are stored in the liver, and are not needed every day in the diet.

 

Water-soluble vitamins :

Vitamins dissolve in water and are not stored by the body. Since they are eliminated in urine, we require a continuous daily supply in our diet. The water-soluble vitamins include the vitamin B-complex group and vitamin C.

 

Water-soluble vitamins are easily destroyed or washed out during food storage or preparation.

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Filed Under: Chemistry
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0 3783
Q:

A song always has

A) Musician B) Tymbal
C) Word D) Chorus
 
Answer & Explanation Answer: C) Word

Explanation:

Without a word in it, it can't be called as song.

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Filed Under: English
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Q:

Jaclyn buys $50 000 worth of debentures in a company. She earns 9.5% p.a. simple interest, paid to her quarterly (that is, every 3 months). If the agreed period of the debenture was 18 months: calculate the total amount collected at the end of the term.

A) 8125 B) 9125
C) 7125 D) 6125
 
Answer & Explanation Answer: C) 7125

Explanation:

total interest=1187.50*6

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Filed Under: Simple Interest
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1 3782
Q:

Nitrogen Fixation is carried out primarily by

A) Plants B) Humans
C) Consumers D) Bacteria
 
Answer & Explanation Answer: D) Bacteria

Explanation:

The process by which bacteria convert nitrogen gas (N2) into ammonia (NH3) is called Nitrogen Fixation.

 

The conversion of nitrogen from one form to another in the nitrogen cycle is carried out primarily by Nitrogen Fixing Bacteria such as Azotobacter.

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Filed Under: Biology
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Q:

What are the 2 natural numbers, sum of whose squares is 52?

A) 2, 7 B) 3, 5
C) 4, 6 D) 5, 6
 
Answer & Explanation Answer: C) 4, 6

Explanation:
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Filed Under: Square Roots and Cube Roots
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3 3780
Q:

A distinguishing feature of managerial accounting is

A) general-purpose reports B) very detailed reports
C) quarterly and annual reports D) external users
 
Answer & Explanation Answer: B) very detailed reports

Explanation:

Managerial accounting is the process of identifying, measuring, analyzing, interpreting and communicating information for the pursuit of an organization's goals. This branch of accounting is also known as cost accounting.

 

Hence, the distinguishing feature of managerial accounting is very detailed reports.

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Filed Under: Accounts Payable
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0 3778
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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6 3777
Q:

Three positions of a cube are shown below. What will come opposite to face containing '5'?

A) 1 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: A) 1

Explanation:
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Filed Under: Cubes and Dice
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