The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it?

An abnormally great desire for food, excessive eating is called?

A. Dysphagia
B. Bulimia nervosa
C. Phagia
D. None of the above

Atomic power plant works on the principle of?

A. fission
B. fusion
C. thermal combustion
D. combined effect of all the above three

What is the name of the gas used in an air conditioner?A. Ammonia
B. Nitrous oxide
C. Freon
D. CO2

 

AIDS virus is______________________A. Single-stranded RNA
B. Single-stranded DNA
C. Double-stranded RNA
D. Double-stranded DNA

Ageusia is the loss of which sense?

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

Ageusia is the loss of taste functions of the tongue, particularly the inability to detect sweetness, sourness, bitterness, saltiness, and umami (meaning “pleasant/savory taste”). It is sometimes confused with anosmia – a loss of the sense of smell.