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 : During hibernation state, the frog respires through which of the following?

Option 1: Only heart

Option 2: Only lungs

Option 3: Only skin

Option 4: Both lungs and skin

Question : Which of the following brings back deoxygenated blood from different parts of the human body to the heart?

Option 1: Veins

Option 2: Arteries

Option 3: Nerves

Option 4: Lungs

Question : Which of the following tests helps in diagnosis of cancer ?

Option 1: Urine test

Option 2: Blood test

Option 3: Biopsy

Option 4: X-Ray

Question : A blood clot is formed because of the presence of certain cells in the blood called:

Option 1: chondrocytes

Option 2: erythrocytes

Option 3: platelets

Option 4: lymphocytes