Question : How does Hydrochloric acid help in facilitating the action of pepsin?

Option 1: Hydrochloric acid creates an acidic medium which facilitates the action of the Enzyme Pepsin.

Option 2: Hydrochloric acid helps break down Pepsin.

Option 3: Hydrochloric acid creates an alkaline medium which facilitates the action of the enzyme pepsin.

Option 4: Hydrochloric acid creates a basic medium which facilitates the action of the enzyme Pepsin.

Question : Which one of the following chemicals is associated with muscle fatigue ?

Option 1: Uric acid
 

Option 2: Acetic acid

Option 3: Pyruvic acid

Option 4: Lactic acid

Question : Pectin, which is responsible for the firmness and softness of fruits is mainly composed of which acid unit?

Option 1: Aspartic acid

Option 2: D-Galacturonic acid 

Option 3: Lactic acid

Option 4: Glutamic acid

Question : What helps make the acidic food alkaline that is coming from the stomach?

Option 1: Pepsin

Option 2: Gastric juice

Option 3: Hydrochloric acid

Option 4: Bile juice

Question : Why does one get cramps after sudden physical activity?

Option 1: The build-up of hydrochloric acid in our muscles during sudden activity causes cramps.

Option 2: The pepsin enzyme releases chemicals that lead to cramps.

Option 3: The oxygen molecules break down.

Option 4: The build up of lactic acid in our muscles during sudden activity causes cramps.