All Free General Knowledge MCQs with Answers

• A. El Alto
• B. Sucre
• C. Santa Cruz de la Sierra
• D. La Paz

Explanation: La Paz hosts Bolivia's executive and legislature; Sucre remains the constitutional capital.

• A. Christchurch
• B. Wellington
• C. Dunedin
• D. Auckland

Explanation: Wellington, at the southern tip of the North Island, is New Zealand's capital.

• A. Labasa
• B. Nadi
• C. Suva
• D. Lautoka

Explanation: Suva, on the island of Viti Levu, is Fiji's capital and largest city.

• A. Afforestation
• B. Reforestation
• C. Desertification
• D. Deforestation

Explanation: Deforestation is the large-scale clearing of forests, usually for farming, logging or settlement.

• A. Afforestation
• B. Deforestation
• C. Agroforestry
• D. Reforestation

Explanation: Afforestation creates new forest on land that was never forested, unlike reforestation which re-plants cleared forest.

• A. Coppicing
• B. Reforestation
• C. Afforestation
• D. Deforestation

Explanation: Reforestation restores tree cover on land where forest was removed.

• A. Ecosystem
• B. Biomass
• C. Biodiversity
• D. Habitat

Explanation: Biodiversity describes the richness of species and genetic variety in an area.

• A. Nitrogen
• B. Hydrogen
• C. Oxygen
• D. Carbon dioxide

Explanation: Carbon dioxide from burning fossil fuels is the largest human-caused contributor to the greenhouse effect.

• A. The ozone layer
• B. The mesosphere
• C. The troposphere
• D. The ionosphere

Explanation: The ozone layer, within the stratosphere, absorbs most of the Sun's harmful ultraviolet radiation.

• A. The stratosphere
• B. The troposphere
• C. The mesosphere
• D. The thermosphere

Explanation: The troposphere, the lowest layer, holds most water vapour and is where clouds and storms form.

• A. A desert at the poles
• B. A desert formed by shifting sand dunes
• C. A dry area on the leeward side of a mountain range
• D. A desert formed by cold ocean currents

Explanation: Air drops its moisture on the windward side of mountains; the descending air on the leeward side is dry.

• A. The Copenhagen Accord
• B. The Kyoto Protocol
• C. The Montreal Protocol
• D. The Paris Agreement

Explanation: Adopted in 2015, the Paris Agreement commits nations to limit warming, mainly through national emission pledges.

• A. 2°C
• B. 1°C
• C. 3°C
• D. 4°C

Explanation: The Paris Agreement targets holding warming well below 2°C, with efforts to limit it to 1.5°C.

• A. Thailand
• B. Indonesia
• C. Malaysia
• D. The Philippines

Explanation: Indonesia, on the Pacific Ring of Fire, has the most active volcanoes of any country.

• A. Ecuador
• B. Argentina
• C. Chile
• D. Peru

Explanation: Chile lies along the Pacific Ring of Fire and is highly prone to both volcanoes and earthquakes.

• A. Hawaii
• B. California
• C. Washington
• D. Alaska

Explanation: Alaska, at the northern end of the Ring of Fire, has many active volcanoes along the Aleutian arc.

• A. The North Island (Taupo Volcanic Zone)
• B. Stewart Island
• C. The Chatham Islands
• D. The South Island (Canterbury)

Explanation: New Zealand's North Island sits on the Pacific Ring of Fire, with the active Taupo Volcanic Zone.

• A. Mount Apo
• B. Mount Pinatubo
• C. Mount Mayon
• D. Taal Volcano

Explanation: Mount Pinatubo's 1991 eruption was one of the largest of the 20th century.

• A. A slow sinking of land
• B. A volcanic eruption
• C. A sudden shaking of the ground caused by the release of energy in Earth's crust
• D. A tidal wave

Explanation: Earthquakes are caused by the sudden release of built-up stress along faults in the crust.

• A. The shadow zone
• B. The fault line
• C. The epicentre
• D. The focus (hypocentre)

Explanation: The focus is the underground point where the rupture begins; the epicentre is directly above it on the surface.