TOP 30 General Science (Day – 1) Questions For OSSSC Forest Guard/Forester/LSI Exam…

Physics – 10 Questions

Chemistry – 10 Questions

Biology – 10 Questions

All Questions are Based on One-Liner Format , This Type of Format Helps You For Quick Revision without Loss of your Time . Let us Start ….

Physics – 10 Questions

 Anemometer is used to measure – wind velocity
 Which one of the following has the highest value of specific heat – water
 The device used for locating submerged objects under sea is.- sonar
 The metal whose electrical conductivity is more, is – silver
 What happens to a liquid, when the vapour pressure equals the atmospheric pressure – The
liquid boils
 In nuclear reactor, heavy water is used as – moderator
 Tear gas used by the police to disperse the mob contains – chlorine
 Water boils at a lower temperature on the hills because – there is a decrease in air pressure on
the hills
 Why do brids not have respiratory trouble at the time of flying at high altitude – They have extra
air sacs  The temperature which has the same reading on both Fahrenheit and Celsius scales is – –40°

Chemistry – 10 Questions

 The main constituent of natural gas is – Methane
 Domestic cooking gas consists mostly of – liquified butane and isobutane
 Chemically ‘Quick Silver is known as – Mercury
 Extensively used nitrogenous fertilizer is – Urea
 The metal, used to galvanise iron to protect it from rusting is – Zinc
 Which of the following gases is mixed with oxygen for breathing by divers in aqualungs – Nitrogen
 What particles move around the nucleus of an atom and are negatively charged – Electrons
 Among the following, which is always found in free-state in nature – Gold
 Hardest allotrope of carbon is – diamond
 The depletion of ozone layer is due to – chloro fluoro carbon

Biology – 10 Questions

 Which vitamin helps in blood coagulation – Vitamin-K
 A substance that stimulates the production of antibodies when introduced into a living organism
is known as— antigen
 ‘Darwin finches’ refer to a group of – Birds
 The tissue in man where no cell division occurs after birth is – nerves
 The source of oxygen generated during photosynthesis is : – water
 Fluorine – is an elements is associated with teeth disorder
 Ketone bodies is an abnormal constituent of urine
 Lymphocytes – cells produces antibodies
 The Vitamin which helps in clotting of blood is : – Vitamin K
 At very high altitude, the Red Blood Corpuscles in the human body will : – increase in size

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