The radiant energy having lowest energy is?

A. Gamma rays
B. Uv rays
C. Visible light
D. Radio waves

Permissible noise level at Residential area during night time is:

A. 45 db
B. 55 db
C. 75 db
D. 80 db

Vitamin E reduces the requirement of _________ .

A. Iron
B. Zinc
C. Selenium
D. Magnesium

Where would you find a Eustachian Tube?

A. In the brain
B. In the lung
C. In the ear
D. In stomach

Percentage of water in a tomato is__________?

A. 94%
B. 90%
C. 47%
D. None of these

Heavy mechanical complex use a large amount of water for_________?

A. Cooling
B. Freezing
C. Washing
D. Mixing

Heat of sun reaches the earth by ___________?

A. Convection
B. Radiation
C. Conduction
D. None of these

The number of facial bones in a human body ________?

A. 15
B. 14
C. 22
D. 26

The process by which air flows from one location in the atmosphere to another is called __________?

A. Convection
B. Radiation
C. Conduction
D. Electromagnetic induction

During which process does heat transfer occur because of density differences__________?

A. Convection
B. Radiation
C. Conduction
D. None of these