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 : Identify an application in which solar cells are not used.

Option 1: Radio

Option 2: Space probes

Option 3: Lift system

Option 4: Artificial satellites

Question : EEG is used to detect the functioning  of

Option 1: Heart

Option 2: Lung

Option 3: Kidney

Option 4: Brain

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.)
Telescope : Distant Objects :: Microscope : ?

Option 1: Big Objects

Option 2: Tiny Objects

Option 3: Very Large Objects

Option 4: Heavy Objects

Question : Radiommunoassay (RIA) is a therapy used

Option 1: to cure lung cancer

Option 2: to cure AIDS

Option 3: to cure fractures in bones

Option 4: to detect antibodies and hormones present in the blood samples