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

Troposphere

Answer

Mesosphere

Answer

Thermosphere

Question 2

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

Accepted Answer

To the right

Answer

Southward

Answer

Northward

Answer

To the left

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

Kyoto Protocol

Answer

Montreal Protocol

Answer

Copenhagen Accord

Question 4

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

Accepted Answer

Absorption of excess atmospheric CO₂

Answer

Increased methane emissions

Answer

Runoff of agricultural fertilizers

Answer

Warming of deep ocean currents

Question 5

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

Accepted Answer

Ecology

Answer

Taxonomy

Answer

Physiology

Answer

Genetics

Question 6

The United Nations was founded in 1945 primarily to replace which earlier international organization?

Accepted Answer

The League of Nations

Answer

The Commonwealth of Nations

Answer

The Concert of Europe

Answer

The Non-Aligned Movement

Question 7

In chemistry, which type of bond involves the sharing of electron pairs between atoms?

Accepted Answer

Covalent bond

Answer

Ionic bond

Answer

Hydrogen bond

Answer

Metallic bond