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.
Incinerators are used for which of the following?
Which of the following is commonly used as an adulterant for mustard seeds?
Which meteorological factor caused extraordinary cold weather in North India during January 2012?
Which of the following pollutants is biologically degradable (biodegradable)?
In the context of which of the following are the terms 'pyrolysis and plasma gasification' mentioned?
There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They can accumulate in the environment, and contaminate water and soil. 2. They can enter the food chains. 3. They can trigger the production of free radicals. Select the correct answer using the code given below:
Due to improper handling and storage of cereal grains and oilseeds, toxins known as aflatoxins are produced which are not commonly destroyed by normal cooking methods. Aflatoxins are produced by:
Which of the following are some important pollutants released by the steel industry in India? 1. Oxides of sulfur 2. Oxides of nitrogen 3. Carbon monoxide 4. Carbon dioxide Select the correct answer using the code given below:
Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use? 1. They are highly resistant to degradation in the environment. 2. They are able to accumulate in humans and animals. Select the correct answer using the code given below:
Match the pollutants with their long-term health effects using the code given below: Pollutants Effects A. Carbon monoxide 1. Damage to liver and kidney B. Oxides of nitrogen 2. Cancer C. Particulate dust 3. Respiratory diseases D. Lead 4. Central nervous system Code: A B C D
Match List-I with List-II and select the correct answer using the code given below the lists: List-I (Air Pollutant) List-II (Affected Organ) A. Asbestos dust 1. Brain B. Lead 2. Stomach / Abdomen C. Mercury 3. Lungs D. Carbon monoxide 4. Blood stream Codes:
Lead, ingested through air or food, is a hazard to health. Since the prohibition of lead addition in petrol, which of the following are sources causing lead poisoning? 1. Smelting units 2. Pens and pencils 3. Paints 4. Hair oils and cosmetics Select the correct answer using the codes given below:
Which of the following is not correctly matched? (Pollutant) - (Associated Disease)
The most toxic metal pollutant released in automobile exhaust is:
The size of respirable suspended particulate matter (RSPM) floating in the air is:
Consider the following pairs: Commonly used / consumed materials Unwanted or controversial chemicals likely to be found in them 1. Lipstick Lead 2. Soft drinks Brominated vegetable oil 3. Chinese fast food Monosodium glutamate Which of the pairs given above is/are correctly matched?
Euro norms define the permissible emission limits for a gas in motor vehicles. This gas is:
To meet Euro-II standards, what should be the sulfur content in ultra-low sulfur diesel?
In the Bhopal Gas Tragedy, leakage of which gas caused large-scale fatalities?
The cause of the Bhopal Gas Disaster was:
The name of the compound associated with the Bhopal Gas Tragedy was:
The gas that leaked from the Union Carbide factory in Bhopal was:
Which of the following statements are correct regarding radioactive pollution? 1. It causes genetic mutation in animals. 2. It disbalances different minerals present in soil. 3. It hinders blood circulation. 4. It causes cancer. Select the correct answer from the code given below:
The Chernobyl accident is related to:
In which year did the Bhopal Gas Tragedy take place?