Q41. The longest period of prenatal development is the
[A] Fetal period
[B] Embryonic period
[C] Germinal period
[D] None
Q42. The filament of an electric bulb is made of
[A] nichrome
[B] tungsten
[C] iron
[D] graphite
Q43. Which planet is made up of thick white and yellowish clouds of sulfuric acid?
[A] Mars
[B] Uranus
[C] Neptune
[D] Venus
Q44. What structure separates the thoracic cavity from the abdominal cavity?
[A] Lungs
[B] Heart
[C] Diaphragm
[D] Liver
350+ General Science Quiz Questions & Answers
Q45. Which of the following foods does not support bacterial growth?
[A] Refried beans
[B] Cooked rice
[C] Raw carrots
[D] Sauted onions
Q46. The bodies that glow during the night sky are known as:
[A] Constellation
[B] Celestial bodies
[C] Meteroid
[D] Asteroids
Q47. The Ozone Layer restricts from
[A] Ultraviolet Radiation
[B] X-Rays and Gamma Rays
[C] Infrared Rays
[D] Radio waves
Q48. The cross section of a chisel is usually
[A] Hexagonal
[B] Circular
[C] Rectangular
[D] Octagonal
Q49. Heavy water is
[A] tritium oxide
[B] PH7
[C] rain water
[D] deuterium oxide
Q50. Which of the following is the lowermost layer of the Atmosphere?
[A] Mesosphere
[B] Thermosphere
[C] Exosphere
[D] Troposphere