AS Associate Of Science In Environmental Science

Question 1

Which layer of the atmosphere contains the ozone layer that absorbs ultraviolet radiation?

Accepted Answer

Stratosphere

Answer

The ozone layer is located in the stratosphere, approximately 15–35 km above Earth's surface, and absorbs harmful ultraviolet radiation from the sun.

Question 2

Which of the following is a renewable energy source?

Accepted Answer

Solar power

Answer

Solar power is a renewable energy source because it is continuously replenished by the sun and will not run out on a human timescale.

Question 3

What is the primary greenhouse gas responsible for human-caused climate change?

Accepted Answer

Carbon dioxide (CO₂)

Answer

Carbon dioxide is the most significant human-emitted greenhouse gas driving climate change, primarily from the combustion of fossil fuels and deforestation.

Question 4

What is the term for an organism that breaks down dead organic matter into simpler inorganic compounds?

Accepted Answer

Decomposer

Answer

Decomposers (such as bacteria and fungi) break down dead organic matter into inorganic nutrients, recycling essential elements back into the ecosystem.

Question 5

What does the term 'carrying capacity' mean in ecology?

Accepted Answer

The maximum population size an environment can sustain indefinitely

Answer

Carrying capacity (K) is the maximum population size that an environment can sustain indefinitely given the available resources such as food, water, and space.

AS - Associate In Science Degrees Practice Test

AS - Associate In Science Degrees Practice Test

AS Associate Of Science In Environmental Science