Question : 'ELISA' test is employed to diagnose :

Option 1: Polio virus

Option 2: AIDS antibodies

Option 3: Tuberculosis bacterium

Option 4: Cancer

Question : EEG is used to detect the functioning  of

Option 1: Heart

Option 2: Lung

Option 3: Kidney

Option 4: Brain

Question : X-rays can be used

Option 1: for cutting and welding of metals.

Option 2: to detect heart diseases.

Option 3: to detect defects in precious stones and diamonds.

Option 4: to detect gold under the earth.

Question : Which blood group is present in a universal donor?

Option 1: Blood group B

Option 2: Blood group AB

Option 3: Blood group A

Option 4: Blood group O

Question : The virus of AIDS affects the growth of ______

Option 1: haemoglobin

Option 2: RBCs in blood

Option 3: T cells in the blood

Option 4: grey cells in the brain