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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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Q:

How does a Unicellular Organism reproduce?

A) Cell division B) Cell reproduction
C) Cell synthesis D) Fragmentation
 
Answer & Explanation Answer: A) Cell division

Explanation:
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Q:

Asterias (Star fish), Echinus (Sea urchin), Antedon (Sea Lily) are all examples of which Phylum?

A) Echinodermata B) Annelida
C) Platyhelminthes D) Arthropoda
 
Answer & Explanation Answer: A) Echinodermata

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Q:

Monosaccharide which is responsible for the sweet taste of fruit?

A) Glucose B) Fructose
C) Mannose D) Ribose
 
Answer & Explanation Answer: B) Fructose

Explanation:

Fructose or Levulose is the monosaccharide that is responsible for the sweet taste of fruit. 

 

Monosaccharides are the simplest of all sugars, contain at least three carbon atoms, and are the building blocks of all carbohydrates.

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Q:

Which category of compound is most concentrated energy source?

A) Fats B) Starch
C) Proteins D) Vitamins
 
Answer & Explanation Answer: A) Fats

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Q:

Which cell disorder in our body is responsible for colour blindness?

A) WBC B) Cone cell
C) Rod Cell D) Neuron
 
Answer & Explanation Answer: B) Cone cell

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Q:

Where the mature sperm are produced?

A) Scrotum B) Vas deferens
C) Prostate gland D) Testes
 
Answer & Explanation Answer: D) Testes

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Q:

Mangroves are plants that have

A) Modified Roots B) Modified Stems
C) Respiratory Roots D) Respiratory Stems
 
Answer & Explanation Answer: C) Respiratory Roots

Explanation:
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