Question : Which one of the following organs converts glycogen into glucose and purifies the blood?
 

Option 1: Liver

Option 2: Kidney

Option 3: Lungs

Option 4: Spleen

Question : The main function of insulin in the human body is
 

Option 1: To maintain blood pressure

Option 2: To help in digestion of food

Option 3: To control the level of sugar in the body

Option 4: To check the level of iodine in the body

Question : The cells which are responsible for the production of antibodies are:

Option 1: red blood cells

Option 2: neutrophils

Option 3: lymphocytes

Option 4: platelets

Question : The buffer action of blood is due to the presence of:

Option 1: HCl and NaCl

Option 2: Cl^- and CO₃^2-

Option 3: Cl^- and HCO^-₃

Option 4: HCO₃^- and H₂CO₃

Question : Directions: Select the word pair that best represents a similar relationship to the one expressed in the pair of words given below.
(The words must be considered meaningful English words and must not be related to each other based on the number of letters/consonants/vowels in the word.)
Blood : Red

Option 1: Stone : Hard

Option 2: Dry : Wet

Option 3: Music : Guitar

Option 4: Finger : Toe