Questions

Q:

Energy is measured in units called

A) Newtons B) Watts
C) Joules D) Ohm/mtr
 
Answer & Explanation Answer: C) Joules

Explanation:

Energy is measured in units called Joules.

 

Joule is unit of work or energy in the International System of Units (SI) which is equal to the work done by a force of one newton acting through one metre.

 

1 Joule  =  107 ergs or 0.7377 foot-pounds.

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Q:

The parliament of Great Britain is housed in which of these buildings?

A) Palace of Westminster B) The town of London
C) Buckingham palace D) Old Bailey
 
Answer & Explanation Answer: A) Palace of Westminster

Explanation:
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Q:

The Largest country of the World by Geographical Area is

A) China B) United States of America
C) Russia D) Australia
 
Answer & Explanation Answer: C) Russia

Explanation:

Russia is the Largest country of the World by Geographical Area.

 

Top 10 largest countries of the World :

1. Russia

2. Canada

3. United States of America

4. China

5. Brazil

6. Australia

7. India

8. Argentina

9. Kazakhstan

10. Algeria

 

When all 10 of the world's largest countries are taken together, they total 49% of the earth's entire 149 million square kilometres of land.

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Q:

The transport phenomenon occurs only in _____ state of a gas and is ______

A) Non-equilibrium, irreversible B) Non-equilibrium, reversible
C) equilibrium, irreversible D) equilibrium, reversible
 
Answer & Explanation Answer: C) equilibrium, irreversible

Explanation:

The transport phenomenon occurs only in equilibrium state of a gas and is irreversible.

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Q:

Rearrange CITCAR into a word?

A) Cartic B) Ritcar
C) Arctic D) Airtic
 
Answer & Explanation Answer: C) Arctic

Explanation:

After all possiblle rearrangements, the only word with a meaning is ARCTIC fro the given given letters.

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Q:

How many valence electrons are in carbon?

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

Explanation:

The main group number for an element can be found from its column on the periodic table. For example, carbon is in group 4 and has 4 valence electrons. Oxygen is in group 6 and has 6 valence electrons.

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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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Q:

A disaccharide is formed by the chemical bonding of

A) two monosaccharides B) two polysaccharides
C) one monosaccharide and one polysaccharide D) All the above
 
Answer & Explanation Answer: A) two monosaccharides

Explanation:

Disaccharides are formed when two monosaccharides join together by the dehydration synthesis reaction resulting in a glycosidic bond between the two monosaccharide molecules. The reaction produces water as a side product.

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