BPP Environmental Studies 2

Question 1

What is the ozone layer and why is it important?

Accepted Answer

A gas layer in the atmosphere that absorbs harmful UV radiation

Answer

The ozone layer is a region of Earth's stratosphere containing high concentrations of ozone that absorbs most of the Sun's harmful ultraviolet radiation.

Question 2

What is water pollution?

Accepted Answer

The contamination of water bodies by harmful substances

Answer

Water pollution occurs when harmful substances—including chemicals, waste, and pathogens—contaminate bodies of water, making it unsafe for drinking, wildlife, and recreation.

Question 3

What is a carbon footprint?

Accepted Answer

The total greenhouse gas emissions caused by an individual or activity

Answer

A carbon footprint measures the total amount of greenhouse gases, particularly CO₂, produced directly and indirectly by a person, organization, or activity.

Question 4

What is sustainable development?

Accepted Answer

Development that meets current needs without compromising future generations' ability to meet theirs

Answer

Sustainable development balances economic growth, social equity, and environmental protection to ensure resources remain available for future generations.

Question 5

What is the greenhouse effect?

Accepted Answer

The trapping of heat in Earth's atmosphere by certain gases

Answer

The greenhouse effect occurs when gases like CO₂ and methane trap heat radiating from Earth's surface, warming the planet — essential in moderation but harmful when intensified.

BPP - Bachelor’s Preparatory Programme Practice Test

BPP - Bachelor’s Preparatory Programme Practice Test

BPP Environmental Studies 2