5061. Most of the ozone in the atmosphere is concentrated in the_______?
✅ C. Stratosphere
Everyday Science MCQs – Page 254
5062. The shape of the external ear is due to_______?
✅ B. Elastic cartilage
5063. The temperature at which water boils depends mainly on _______?
✅ C. Air pressure
5064. Which of the following Rays are more Penetrating?
✅ C. Gamma rays
5065. Candela is the basic unit of_______?
✅ B. luminous intensity
5066. What is it called when the Earth is closest to the sun ________?
✅ A. Perihelion
5067. Which layer of the atmosphere reflects radio waves back to the earth’s surface?
✅ D. Ionosphere
5068. Segmented Worms take breath through:____?
✅ C. Moist Skin
5069. Who invented the Hot Air Balloon?
✅ A. Montgolfier
5070. The average acceleration caused by gravity per second is_______?
✅ A. 32 feet
5071. It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of_____?
✅ B. An equal and opposite pressure acts from inside
5072. The SI standard of time is based on________?
✅ E. none of these
5073. The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ______?
✅ A. Radiosonde
5074. Study of energy production in living bodies is called____?
✅ C. Bioenergetics
5075. Substance whose atoms can be split are known as _____ materials.
✅ A. Fissionable
5076. Which of the following organisms releases molecular oxygen into water?
✅ C. Phytoplankton
5077. What is Melioidosis?
✅ B. Infectious disease
5078. The contraction and expansion of the movement of the walls of the food pipe after entering the slightly digested food is known as ______ movement
✅ C. Peristaltic
5079. What are the names of the two stars in the Big Dipper used to locate Polaris?
✅ A. The Pointer Stars
5080. In the manufacture of banaspati ghee the gas used is _____?
✅ A. Hydrogen