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 : Blood fails to clot while flowing in the blood vessel because of the presence of 

Option 1: Heparin

Option 2: Prothrombin

Option 3: Haemoglobin

Option 4: Hirudin

Question : Which of the following statements is/are true about currency notes?

i. They do not have intrinsic value.

ii. They can be called fiat money.

iii. They are not legal tenders.

Option 1: Only ii

Option 2: Only i

Option 3: Only i and ii

Option 4: Only ii and iii

Question : Christmas factor is involved in:

Option 1: Blood Coagulation

Option 2: Excretion

Option 3: Digestion

Option 4: Respiration

Question : Which of the following is a fibrous protein?

Option 1: Haemoglobin

Option 2: Albumin

Option 3: Keratin

Option 4: Enzymes