Which element has the third most % in human body?
Which element has the third most % in human body?
A. Oxygen 65%
B. Calcium 75%
C. Hydrogen 10%
D. Carbon 18%
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The average heartbeat per minute in a normal man is _________?
The average heartbeat per minute in a normal man is _________?
A. 50
B. 70
C. 80
D. 100A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving?
A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving?A. Upward with uniform speed
B. Downward with uniform acceleration
C. In a free fall due to failure of the lift mechanism
D. None of theseWhich of the following is not a contagious disease?
Which of the following is not a contagious disease?A. Hysteria
B. Measles
C. Typhoid
D. InfluenzaStethoscope was invented by _______ ?
Stethoscope was invented by _______ ?A. Rene Laennec
B. Steven Sasson
C. Martin Cooper
D. Dave Hyatt
The stethoscope was invented in France in 1816 by René Laennec at the Necker-Enfants Malades Hospital in Paris. It consisted of a wooden tube and was monaural. Laennec invented the stethoscope because he was not comfortable placing his ear directly onto a woman’s chest to listen to her heart.Reptiles hibernate during_______?
Reptiles hibernate during_______?A. Summer
B. Winter
C. Spring
D. AutumnThe coldest region of the Earth’s atmosphere is__________?
The coldest region of the Earth’s atmosphere is__________?A. Exosphere
B. Thermosphere
C. Stratopause
D. MesopauseThe top of the mesosphere, called the Mesopause, is the coldest part of Earth’s atmosphere. Temperatures in the upper mesosphere fall as low as −101 °C (172 K; −150 °F), varying according to latitude and season.