250+ TOP MCQs on Environmental Degradation & Use of Renewable Energy – II and Answers

Basic Power Plant Questions and Answers on “Environmental Degradation & Use of Renewable Energy – II”.

1. Which of the following are the example of Municipal and industrial discharge pipes?
a) nonpoint sources of pollution
b) violations of the Clean Water Act
c) point sources of pollution
d) irrigation

Answer: c
Clarification: Point sources of pollution are the examples of Municipal & industrial discharge pipes.

2. The presence of high coliform counts in water indicate _________
a) contamination by human wastes
b) phosphorus contamination
c) decreased biological oxygen demand
d) hydrocarbon contamination

Answer: a
Clarification: The presence of high coli-form counts in water indicate contamination by human wastes.

3. How the biological oxygen demand gets affected with the increased presence of organic matter in water?
a) the oxygen demand increases
b) the oxygen demand decreases
c) the oxygen demand remains unchanged
d) none of the mentioned

Answer: a
Clarification: With the increased presence of organic matter in water, the oxygen demand increases.

4. Which of the following is a major source of groundwater contamination?
a) agricultural products
b) landfills
c) septic tanks
d) all of the mentioned

Answer: d
Clarification: All of the mentioned options are major sources of groundwater contamination.

5. Which of the following is considered as part of water use planning?
a) waste water treatment
b) water diversion projects
c) storm sewer drainage
d) all of the mentioned

Answer: d
Clarification: All the mentioned issues come under water use planning.

6. The stage in which the biological processes are used to purify water in a wastewater treatment plants is called?
a) secondary sewage treatment
b) primary sewage treatment
c) wastewater reduction
d) biochemical reduction

Answer: a
Clarification: The stage in which the biological processes are used to purify water in a wastewater treatment plants is called Secondary Sewage Treatment.

7. Groundwater mining in coastal areas can result into _________
a) increase in the salinity of groundwater
b) decrease in the toxicity of groundwater
c) decrease in the salinity of groundwater
d) increase in the water table

Answer: a
Clarification: Groundwater mining in coastal areas can result into an increase in the salinity of groundwater.

8. Which of the following is not an important characteristic of the Green Revolution?
a) mechanized agriculture
b) hybrid seeds
c) slash and burn
d) monoculture

Answer: c
Clarification: Slash & Burn isn’t an important characteristic of the Green Revolution.

9. The three primary soil macronutrients are _________
a) carbon, oxygen and water
b) copper, cadmium and carbon
c) potassium, phosphorus and nitrogen
d) boron, zinc and manganese

Answer: c
Clarification: Potassium, phosphorus, and nitrogen are the three primary soil macronutrients.

10. Which of the following are negative effects on the soil and water due to conventional, mechanized farming practices?
a) soil compaction
b) reduction in soil organic matter
c) soil erosion
d) all of the mentioned

Answer: d
Clarification: All the mentioned impacts are the negative effects on the soil & water due to conventional, mechanized farming practices.