Who discovered the Polio Vaccine?

A. Jonas salk
B. Jaber ibn hayan
C. Selman waksman
D. None of these

Fathom is the unit of measurement for__________?

A. Sound
B. Depth
C. Energy
D. Time

When Ammonia is used as a refrigerant in vapour compression cycle?

A. Cu tubing used
B. Steel tubes used
C. Both a & b
D. Material does not effect by refrigerant

Red blood cells are produced in_________?

A. Liver
B. Heart
C. Spleen
D. Bone-marrow

Which of the following is used for hearing the sound of heart and lungs?

A. Steroscope
B. Stethoscope
C. Oscillator
D. Oncolator

Ageusia is the loss of which sense?

A. Taste
B. Smell
C. Memory
D. Sight

Any disease or infection that is naturally transmissible from vertebrate animals to humans is called?

A. Zonoses
B. Zoonoses
C. Ananoses
D. Chordnoses

The solution remaining after the formation of crystals is called ___________________?

A. Mother liquor
B. Dilute solution
C. Residue
D. Both a & b

If the level of atmospheric pollution increases:

A. The length of the day will increases
B. The length of the day will decreases
C. The length of the day will remain same
D. None of these

The natural source of hydrocarbon is:___________?

A. Crude oil
B. Biomass
C. Coal
D. Carbohydrates