GEOGRAPHY MCQS SET 117

GEOGRAPHY MCQS SET 117

1161) Diesel exhaust is the main source of three highly toxic pollutants that have a widespread impact on the urban air quality and human health. Name them
A) SPM, Sulphur dioxide and Nitrogen oxides (NOx)
B) Suspended Particulate Matter(SPM), benzene
C) Sulphur dioxide, ammonia, benzene
D) Lead, NOx. C2

Answer: Suspended Particulate Matter(SPM), benzene
   
1162) Earlier, leaded petrol used to be the most widespread,
though easily preventable, source of urban air pollution in the world.
According to WHO (World Health Organization), 15-18 million children in the developing countries are already suffering from permanent brain damage due to lead poisoning.
Why is tetra-ethyl lead added to petrol?
A) It prevents engine knocking.
B) It reduces vehicular emissions.
C) It increases life of motor tyres.
D) None of the above 
Answer: It prevents engine knocking.
   
1163) According to 2006 reports of two UN agencies the World Meteorological Organization (WMO) and the UN Environment Programme (UNEP), the Earth's ozone layer over Europe, North America, Asia, South America, Africa and Australia would be back to pre 1980 level by
A) 2045
B) 2049
C) 2065
D) 2069

Answer: 2049
   
1164) SPM stands for
A) Suspended Particulate Matter
B) Standard Particles Material
C) Suspended Particles Material
D) None of the above

Answer: Suspended Particulate Matter
   
1165) This state with the largest forest cover in the country is also the second-richest in mineral deposits. Its forests are being destroyed due to effects of open-cast mining of coal, iron ore. bauxite, and copper. Name it.
A) Uttar Pradesh
B) Himachal Pradesh
C) Arunachal Pradesh
D) Madhya Pradesh

Answer: Madhya Pradesh
1166) Which of the following pollutant is not contained in the vehicular exhaust emissions?
A) Lead
B) Ammonia
C) Carbon monoxide
D) Particulate matter

Answer: Ammonia
   
1167) CFCs (Chlorofluoro Carbons) are greenhouse gases that have caused a rise of 03°C in the global temperatures in the past century. Name the CFC that is used in refrigerators.

A) Carbon dioxide
B) Freon
C) Methane
D) Ammonia

Answer: Freon
   
1168) In the world's worst nuclear accident in 1986, 31 people died, 129 others suffered acute. radiation and many thousands are expected to die prematurely as a result of exposure to radiation released from the stricken plant. Name the site of this mishap.
A) Three Mile island, USA
B) Chernobyl, Erstwhile Soviet Union
C) Bhopal, India
D) Wind scale, UK

Answer: Chernobyl, Erstwhile Soviet Union
   
1169) Name the metal contained in broken fluorescent bulbs, tube lights and dead batteries which gets transported with common municipal solid waste and can be easily swallowed, inhaled or absorbed through the skin and can cause damage to the kidneys and nervous system.
A) Copper
B) Cadmium
C) Mercury
D) Arsenic

Answer: Mercury
   
1170) Cataract blinds at least 120 million people globally every year. What is its main cause?
A) Heredity
B) Ultraviolet radiation
C) Unbalanced diet
D) Gasoline fumes

Answer: Ultraviolet radiation