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 causes acid rain?
Acid rain is caused by environmental pollution due to which of the following?
Which of the following environmental pollutants are responsible for 'acid rain'?
Which acid is present in acid rain?
'Acid rain' contains which of the following?
'Knock-knee syndrome' is caused by–
Which of the following are found as pollutants in the drinking water in some parts of India? 1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5. Uranium Select the correct answer using the code given below:
In which metropolitan city of India was the highest annual per capita solid waste generated (at the time of the question)?
Which of the following rivers of Uttar Pradesh was declared a 'biological disaster' due to environmental pollution?
As per the Solid Waste Management Rules, 2016 in India, which one of the following statements is correct?
With reference to bio-toilets used by the Indian Railways, consider the following statements: 1. The decomposition of human waste in the bio-toilets is initiated by a fungal inoculum. 2. Ammonia and water vapour are the only end products of this decomposition which are released into the atmosphere. Which of the statements given above is/are correct?
The component(s) of acid rain is/are–
Which one of the following is not a mechanical device/method for the control of air pollution?
With reference to the 'Bio-Decomposer and Spray Programme of the Delhi Government', which of the following statements is/are correct? 1. Free bio-decomposer solution is provided to farmers to help convert crop stubble into manure. 2. The bio-decomposer solution is prepared using several fungi. Select the correct answer from the code given below:
In the cities of our country, which of the following atmospheric gases are normally considered in calculating the value of Air Quality Index? 1. Carbon dioxide 2. Carbon monoxide 3. Nitrogen dioxide 4. Sulphur dioxide 5. Methane Select the correct answer using the code given below:
Which of the following factors/causes generate benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished wooden furniture 5. Using products made of polyurethane Select the correct answer using the code given below:
With reference to the WHO Air Quality Guidelines, consider the following statements: 1. The 24-hour mean of PM2.5 should not exceed 15 μg/m3 and annual mean should not exceed 5 μg/m3. 2. In a year, the highest levels of ozone pollution occur during periods of inclement weather. 3. PM10 can penetrate the lung barrier and enter the bloodstream. 4. Excessive ozone in the air can trigger asthma. Which of the statements given above are correct?
In which year was the National Clean Air Programme (NCAP) launched by the Central Government?
What is the purpose of the 'PRANA' portal?
Which of the following is/are responsible for acid rain?
Acid rain is caused by air pollution due to–
Smog is essentially caused by the atmospheric presence of-
The ceramic disc of a catalytic converter that converts carbon monoxide emitted from vehicles into carbon dioxide is coated with-
Which of the following is/are the main air pollutant(s) in metropolitan cities?
In which year was the Air (Prevention and Control of Pollution) Act enacted?