Comprehensive collection of questions from Environment & Ecology asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
Which of the following is an air pollutant gas generated as a result of the combustion of fossil fuels?
'Fly ash' is a polluting combustion by-product obtained from burning-
Which of the following is a major cause of air pollution?
The main component of CNG is–
Which of the following air pollutants is most harmful?
Which of the following air pollutants can adversely affect blood circulation and cause death?
Which of the following metals pollutes the air due to burning of petrol in vehicles?
Which of the following air pollutants dissolves in blood hemoglobin much more readily than oxygen?
Which of the following is a secondary pollutant?
The colourless gas emitted from motor cars and cigarettes due to incomplete combustion is-
Which one of the following is a major pollutant gas emitted from motor vehicles?
The formation of photochemical smog is a result of reaction among which of the following?
Which powerful irritant affecting the eyes is present in smog/smoke?
Under normal conditions, the gas that causes pollution in the atmosphere is-
Which one of the following is produced during the formation of photochemical smog?
Combustion of coal, petrol, diesel etc. is the primary source of-
Which one of the following is not a secondary pollutant?
With reference to mercury pollution, consider the following statements: 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal power plants cause mercury pollution. 3. There is no known safe level of exposure to mercury. How many of the above statements are correct?
Conventional energy sources are-
Match List-I with List-II and select the correct answer using the codes given below: List-I List-II A. Minerals 1. Rainfall B. Solar energy 2. Methane and carbon dioxide C. Biogas 3. Exhaustible D. Deforestation 4. Inexhaustible
In which of the following regions of India have geothermal energy sources not been found?
Assertion (A): Coal-based thermal power stations contribute to acid rain. Reason (R): Oxides of carbon are emitted when coal burns. Code:
What target of solar power capacity did the Government of India set to achieve by the year 2022?
The Secretariat of the International Solar Alliance (ISA) is currently located at which of the following places?
Consider the following statements: 1. Gujarat has the largest solar park in India. 2. Kerala has a fully solar-powered international airport. 3. Goa has the largest floating solar photovoltaic project in India. Which of the statements given above is/are correct?