IDAT Global Knowledge and Science 2

Question 1

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

Accepted Answer

Stratosphere

Answer

The ozone layer is located in the stratosphere, roughly 15–35 km above Earth's surface.

Question 2

The Coriolis effect causes winds in the Northern Hemisphere to deflect in which direction?

Accepted Answer

To the right

Answer

Earth's rotation deflects moving air to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

Question 3

Which international agreement, adopted in 2015, set targets for limiting global temperature rise to 1.5–2°C above pre-industrial levels?

Accepted Answer

Paris Agreement

Answer

The Paris Agreement was adopted at COP21 in 2015 and established the 1.5–2°C temperature target.

Question 4

What is the primary cause of ocean acidification observed over recent decades?

Accepted Answer

Absorption of excess atmospheric CO₂

Answer

Oceans absorb about 30% of atmospheric CO₂, which reacts with seawater to form carbonic acid, lowering pH.

Question 5

Which branch of science studies the interactions between organisms and their environments?

Accepted Answer

Ecology

Answer

Ecology examines how living organisms interact with each other and with abiotic factors in their environment.

(IDAT) International Diagnostic and Admission Test Practice Test