Prelims Marathon – Environment – Natural Resource degradation and management – August- 15 -2022

Which of the following statements is/are correct regarding the impact of mining activities on the environment?
1. Mine drainage can modify water pH and temperature and make the groundwater acidic.
2. It destroys landscapes which in turn lead to soil erosion and destruction of agricultural land.
3. It does not impact species in areas of excavation and piling of mine wastes.
Select the correct answer using the codes given below:

Which of the following indoor air pollutants and its source is/are correctly matched?
1. Volatile Organic Compounds (VOCs) – perfumes and hair sprays.
2. Polyvinyl Chloride (PVC) – window frames and indoor plumbing.
3. Formaldehyde – from carpets and insulation foam.
Select the correct answer using the codes given below:

India has high incidences of high deaths due to water related diseases. Consider the following statements about water borne diseases:
1. Japanese encephalitis is majorly found in the urban regions of India.
2. Filariasis and Malaria is spread by parasites that breed in contaminated water bodies.
Which of the above statements is/are true?

Consider the following statements about the Particulate Matter:
1. It is a complex mixture of solid and gaseous pollutants, only caused by manmade activities.
2. Sulphates and organic compounds are its major components.
Which of the above given statements is/are not correct?

Which of the following compounds are present in the chemical composition of Fly Ash?
1. Aluminum silicate
2. Silicon dioxide
3. Calcium oxide
4. Sulfur oxide
Select the correct answer using the codes given below:

Which of the following is/are considered as point sources of water pollution?
1. Factories
2. Sewage treatment plants
3. Oil tankers
4. Acid deposition
5. Livestock feedlots
Select the correct answer using the codes given below:

Which of the following terms associated with the plastic pollution have been correctly defined?
1. Plastiglomerate: It is formed when plastic trash melts and fuses together with natural materials as sand and basalt.
2. Plastisphere: It is a term used to refer to ecosystems that have evolved to live in human-made plastic environments.
3. Microdebsis: Plastic debris when it is larger than 20 mm.
Select the correct answer using the codes given below:

Consider the following pairs related to the different techniques:
1. Bio Venting : ex situ method of treating soils contaminated by petroleum hydrocarbons.
2. Bioleaching : use of micro organisms in extraction of metals from their ores.
3. Bio Reactors : ex situ technique of treating groundwater contaminants.
Which of the above given pairs is/are correctly matched?