MS MS in Environmental Science

Question 1

Which biogeochemical cycle describes the movement of carbon through the atmosphere, oceans, and living organisms?

Accepted Answer

Carbon cycle

Answer

Nitrogen cycle

Answer

Phosphorus cycle

Answer

Water cycle

Question 2

What term describes the maximum population size an environment can sustainably support?

Accepted Answer

Carrying capacity

Answer

Population density

Answer

Biotic potential

Answer

Ecological footprint

Question 3

Which international agreement, adopted in 2015, aims to limit global temperature rise to 1.5°C above pre-industrial levels?

Accepted Answer

Paris Agreement

Answer

Kyoto Protocol

Answer

Montreal Protocol

Answer

Rio Declaration

Question 4

What is the primary source of stratospheric ozone depletion?

Accepted Answer

Chlorofluorocarbons (CFCs)

Answer

Carbon dioxide

Answer

Methane

Answer

Nitrous oxide

Question 5

Which soil horizon is characterized by organic matter accumulation and is closest to the surface?

Accepted Answer

O horizon

Answer

A horizon

Answer

B horizon

Answer

C horizon

Question 6

What does the term 'eutrophication' refer to in aquatic ecosystems?

Accepted Answer

Excessive nutrient enrichment causing algal blooms and oxygen depletion

Answer

Gradual acidification from acid rain

Answer

Sedimentation reducing water depth

Answer

Salinization from evaporation