Question : _____ is a hormone that regulates the amount of glucose in the blood.

Option 1: Glycogen

Option 2: Thyroxine

Option 3: Oxytocin

Option 4: Insulin

Question : Helium is added to the oxygen supply of deep-sea divers because it is 

Option 1: less poisonous than nitrogen

Option 2: lighter than nitrogen

Option 3: readily miscible with oxygen

Option 4: less soluble in blood than Nitrogen at high-pressure

Question : Identify the function of plasmid DNA.

Option 1: None of the given options are correct.

Option 2: To form blood cells.

Option 3: To confer certain unique phenotypic characters to bacteria.

Option 4: To help in the formation of RNA.

Question : Directions: Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.)
Dentist : Teeth :: Dermatologist : ?

Option 1: Bones

Option 2: Blood vessels

Option 3: Blood

Option 4: Skin

Question : Which of the following is correct about cold blooded animals?

Option 1: Their blood remains cold all the time

Option 2: Their body temperature changes in accordance with the atmosphere

Option 3: Their body temperature remains constant all the time

Option 4: They kill all the animals they come across