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Q:

Which is a difference between proteins and carbohydrates and fats?

A) Proteins are composed of monomers; carbohydrates and fats are not. B) Excess carbohydrates and fats are stored; excess proteins are not.
C) Proteins are macromolecules; carbohydrates and fats are not. D) Carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not.
 
Answer & Explanation Answer: B) Excess carbohydrates and fats are stored; excess proteins are not.

Explanation:

All proteins, carbohydrates and fats are macronutrients that we need to make living. They contribute to 90% of the dry weight of our diet. 

 

From the given options, Excess carbohydrates and fats are stored; excess proteins are not.

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Filed Under: Biology
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Q:

Generally, plants absorb dissolved nitrates from soil and convert them into

A) Ammonia B) Urea
C) Protein D) Nitrogen
 
Answer & Explanation Answer: D) Nitrogen

Explanation:

Generally, plants absorb dissolved nitrates from soil and convert them into free nitrogen.

 

  • Free nitrogen is simply molecular nitrogen (N2).

 

  • Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a triple bond.
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Filed Under: General Science
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Q:

Carbon, Diamond and Graphite are together called

A) Isomers B) Isotopes
C) Allotrope D) Isomorphs
 
Answer & Explanation Answer: C) Allotrope

Explanation:
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Filed Under: Chemistry
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Q:

In the United States the television broadcast standard is

A) NTSC B) RGB
C) PAL D) SECAM
 
Answer & Explanation Answer: D) SECAM

Explanation:
  • This voltage often remains in storage even if the set is unplugged.

 

  • Although the voltage is very high it has very low power but it can be dangerous because your body jumps if brought in contact.
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Filed Under: World Geography
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Q:

To copy cell contents using drag and drop press the

A) Shift key B) Alt key
C) End key D) Ctrl key
 
Answer & Explanation Answer: D) Ctrl key

Explanation:

Ctrl key is to be pressed To copy cell contents using drag and drop.

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Filed Under: Computer
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Q:

What is the profit or loss % when a shopkeeper bought 4 mangoes for Rs. 6 and sold them @ 4 mangoes for Rs. 4?

A) 36.333% B) 33.666%
C) 33.333% D) 36.666%
 
Answer & Explanation Answer: C) 33.333%

Explanation:

Cost of 4 mangoes = Rs. 6 

Cost of 1 mango = Rs. 6/4 = Rs. 1.5

Now, Selling Price of 4 mangoes = Rs. 4

Selling Price of 1 mango = Rs. 4/4 = Rs. 1.0

 

      • We observe that, S.P < C.P

 

Hence, the shopkeeper incurs a loss.

 

Required loss% = loss/C.P x 100

Loss = 1.5 - 1 = 0.5

C.P = 1.5

Loss% = (0.5/1.5) x 100

 = (5/15) x 100

 = 1/3 x 100

 = 100/3

 = 33.333%.

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Filed Under: Profit and Loss
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Q:

Alloy of copper and zinc is called

A) Bronze B) Gold
C) Silver D) Brass
 
Answer & Explanation Answer: D) Brass

Explanation:

alloy_of_copper_and_zinc_is_called1556100441.jpg image

 

Alloy of copper and zinc is called as Brass.

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Filed Under: Chemistry
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Q:

Buying and selling goods over the internet is called

A) Digital Marketing B) E - Commerce
C) Net Banking D) Onine Shopping
 
Answer & Explanation Answer: B) E - Commerce

Explanation:

Buying and selling goods over the internet is called E - Commerce.

 

buying_and_selling_goods_over_the_internet_is_called1553690676.png image

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Filed Under: General Awareness
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