Question : Leukaemia or blood cancer is characterised by abnormal increase of the

Option 1: Red Blood Cells

Option 2: White Blood Cells

Option 3: Blood platelets

Option 4: Blood plasma

Question : Which of the following is not a function of calcium in our body?

Option 1: It plays an important role in blood clotting.

Option 2: It helps the digestive system.

Option 3: It is associated with healthy bones and teeth.

Option 4: It helps muscles to contract.

Question : Which of the following can degrade detritus into simpler inorganic substances?

Option 1: Lichens

Option 2: Fungal enzymes

Option 3: Algae

Option 4: Phytoplankton

Question : Karl Landsteiner is known for the discovery of which one of the following?

Option 1: Crescograph

Option 2: Radioactivity

Option 3: Blood group

Option 4: X-rays

Question : Which one of the following is not transmitted via blood transfusion ?

Option 1: Hepatitis

Option 2: Typhoid

Option 3: HIV

Option 4: Malaria