Score: 0 / 25
Incorrect As: 0
Q 101: Which of the following layers absorbs most of the sun's ultraviolet radiation?
A) Dust
B) Gaseous
C) Ozone
D) Gravitational
Q 102: Which gas does a Photocopier machine produce?
A) Carbon dioxide
B) Sulphur dioxide
C) Ozone
D) None of these
Q 103: Which of the following gases is the most harmful to the ozone layer?
A) Carbon dioxide
B) Chlorofluoro carbon
C) Nitrogen oxide
D) Sulphur dioxide
Q 104: Depletion of the ozone layer is caused due to:
A) Ferrocene
B) Fullerenes
C) Freons
D) Potyhalogens
Q 105: The thinning of the ozone layer is resulting due to chlorofluorocarbons, which are used in:
A) Electric heaters and washing machines
B) Spray cans and refrigerators
C) Cigarette lighters and air conditioners
D) None of these
Q 106: Why is the Ozone important for mankind?
A) Protection from ultraviolet rays of the sun
B) It releases oxygen in the air
C) It maintains the temperature of the earth
D) It releases hydrogen in the atmosphere
Q 107: The zone of atmosphere in which ozone layer is present is
A) Mesosphere
B) Ionosphere
C) Stratosphere
D) Troposphere
Q 108: The ozone layer is at height of _________ kilometers from the surface of the Earth?
A) 10 to 20
B) 20-30
C) 30-40
D) None of these
Q 109: What is the harm from the depletion of Earth's Ozone Layer?
A) The average operation of the Earths surface will increase gradually
B) The oxygen content of the atmosphere Will decrease
C) Increased amount of UV rays will reach Earth's surface
D) Sea levels will rise as the polar ice caps will gradually melt
Q 110: What is the process of heat transfer that occurs without physical contact?
A) Conduction
B) Convection
C) Radiation
D) Evaporation
Q 111: Which of the following greenhouse gases is responsible for damaging the ozone layer?
A) Hydrogen
B) Chlorine
C) Carbon Dioxide
D) Fluorine
Q 112: The concept of Carbon Credits originated from which of the following?
A) Earth Summit, Rio de Janeiro
B) Kyoto Protocol
C) Montreal Protocol
D) Conference of Parties (COP)
Q 113: Diamond is the form of:
A) Aluminum
B) Carbon
C) Graphite
D) None of these
Q 114: The gases used in different types of welding include?
A) Nitrogen & Hydrogen
B) Helium & Argon Oxygen
C) Acetylene & Carbon
D) Dioxide Methane
Q 115: What poisonous gas is contained in the exhaust fumes from cars?
A) Ammonia
B) Coal gas
C) Carbon monoxide
D) Sulfur dioxide
Q 116: Which gas is responsible for the greenhouse effect?
A) Nitrogen
B) Oxygen
C) Carbon Dioxide
D) Helium
Q 117: Which gas is responsible for global warming?
A) Oxygen
B) Carbon Mono oxide
C) Carbon Dioxide
D) Hydrogen
Q 118: Which gas is used in fire extinguishers?
A) Nitrogen oxide
B) Carbon monoxide
C) Carbon dioxide
D) None of these
Q 119: A cooling agent that has lower temperature than water ice, is solid form of:
A) Nitrogen gas
B) Ammonia
C) Carbon dioxide
D) None of these
Q 120: Which cooling agent gas has a lower temperature than solid ice?
A) Nitrogen
B) Ammonia
C) Carbon Dioxide
D) Sulphur
Q 121: Yeast is essential in the making of bread because it produces:
A) Carbon dioxide
B) Bacteria
C) Oxygen
D) Sugar
Q 122: Dry Ice is also called:
A) Hydrogen
B) Carbon dioxide
C) Sulphur
D) None of these
Q 123: Chemical gas that causes an increased temperature of Earth
A) Climate change
B) Global warming
C) Greenhouse gas
D) None of these
Q 124: Which gas has an adverse effect on the climate?
A) Carbon Monoxide
B) Carbon Dioxide
C) Sulphur Dioxide
D) Nitrogen Dioxide
Q 125: Biogas produced as a result of anaerobic decay of organic matter consists primarily of _________ gases:
A) N2 & SO2
B) CH4 & CO2
C) O2 &N2
D) None of these
