Environmental Geology and Sustainability MCQs Questions & Answers

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Learn and practice multiple-choice questions (MCQs) with answers related to Environmental Geology and Sustainability. These resources are available for Geological engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Environmental Geology and Sustainability chapter is particularly important for students studying Geological engineering. Page-3 section-1

Each section contains 100 MCQs on Environmental Geology and Sustainability .

What type of waste is most hazardous to the geological environment?

A) Municipal solid waste B) Radioactive waste C) Construction debris D) Agricultural waste

Discuss

Answer & Solution

Answer: Option B

Solution:

Radioactive waste poses long-term contamination risks due to radiation.It requires careful geological disposal methods to avoid environmental damage.

What geological feature often indicates a high risk of landslides?

A) Flat plain B) Steep slopes C) River delta D) Coastal beach

Discuss

Answer & Solution

Answer: Option B

Solution:

Steep slopes have gravitational stress making them prone to landslides.Proper slope management is necessary to reduce risks.

Which process is used to stabilize soils susceptible to erosion?

A) Irrigation B) Mulching and planting vegetation C) Compaction only D) Sand blasting

Discuss

Answer & Solution

Answer: Option B

Solution:

Planting vegetation and mulching protect soil by reducing runoff and wind erosion.These are effective soil conservation techniques.

Which gas contributes to ozone layer depletion and is a concern in environmental geology?

A) Carbon dioxide B) Methane C) Chlorofluorocarbons (CFCs) D) Nitrogen

Discuss

Answer & Solution

Answer: Option C

Solution:

CFCs break down ozone molecules in the stratosphere.This depletion increases harmful UV radiation reaching Earth.

What is an eco-friendly method to manage mining waste?

A) Open dumping B) Landfilling with liners and covers C) Dumping in rivers D) Burning

Discuss

Answer & Solution

Answer: Option B

Solution:

Landfilling with proper liners prevents leachate contamination.Covering reduces air and water pollution, making it eco-friendly.

What is the main goal of reclamation in disturbed land areas?

A) Increase soil compaction B) Restore vegetation and soil quality C) Remove all rocks D) Increase construction

Discuss

Answer & Solution

Answer: Option B

Solution:

Reclamation aims to restore the land�s natural state after mining or construction.This includes replanting vegetation and improving soil conditions.

Which of the following is NOT a geological indicator of past environmental pollution?

A) Heavy metal deposits in sediment B) Fossil fuel layers C) Contaminated groundwater D) Elevated radon levels

Discuss

Answer & Solution

Answer: Option B

Solution:

Fossil fuel layers are natural deposits formed millions of years ago.They do not indicate pollution caused by recent human activity.

What is the role of buffer zones in environmental geology?

A) Zone for future mining B) Protective area to reduce environmental impacts C) Zone for urban development D) Place for waste dumping

Discuss

Answer & Solution

Answer: Option B

Solution:

Buffer zones separate sensitive ecosystems from development.They reduce impacts like pollution and habitat disturbance.

Which soil property is critical in assessing landslide susceptibility?

A) Plasticity index B) Porosity C) Angle of internal friction D) Grain size

Discuss

Answer & Solution

Answer: Option C

Solution:

Angle of internal friction measures soil shear strength.Lower friction angles indicate higher landslide risk.

How do wetlands contribute to environmental sustainability?

A) Increase urban flooding B) Filter pollutants and recharge groundwater C) Increase soil erosion D) Reduce biodiversity

Discuss

Answer & Solution

Answer: Option B

Solution:

Wetlands act as natural filters removing pollutants.They also help recharge groundwater and support biodiversity.

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Environmental Geology and Sustainability MCQs Questions & Answers | Geological Engineering