All Free General Knowledge MCQs with Answers

• A. Fog
• B. Morning dew from oases
• C. Seasonal rivers
• D. Underground glaciers

Explanation: Dense coastal fog, formed over the cold Benguela Current, sustains much of the Namib's life.

• A. The Tassili n'Ajjer
• B. The Namib Sand Sea
• C. The Wadi Rum Protected Area
• D. The Lut Desert

Explanation: The Namib Sand Sea is the UNESCO-listed dune field whose ecology depends on ocean fog.

• A. The Sahara Desert
• B. The Arabian Desert
• C. The Namib Desert
• D. The Kalahari Desert

Explanation: Sossusvlei's towering red dunes are an iconic part of the Namib.

• A. The Namib Desert
• B. The Sahara Desert
• C. The Karoo Desert
• D. The Kalahari Desert

Explanation: The Kalahari spans Botswana and reaches into neighbouring Namibia and South Africa.

• A. Substantial areas of it are semiarid rather than true desert
• B. It is entirely covered by sand dunes
• C. It receives more than 1,000 mm of rain annually
• D. Every part of it is a true climatic desert

Explanation: Much of the Kalahari is semiarid savanna, not true desert.

• A. The Zulus
• B. The San peoples
• C. The Berbers
• D. The Maasai

Explanation: The San have lived as hunter-gatherers in the Kalahari for thousands of years.

• A. The Syrian Desert only
• B. The Thar Desert
• C. The Gobi Desert
• D. The Arabian Desert

Explanation: The Arabian Desert covers most of the Arabian Peninsula.

• A. Oman
• B. Yemen
• C. Jordan
• D. Saudi Arabia

Explanation: Saudi Arabia holds the greatest portion of the Arabian Desert, including the Empty Quarter.

• A. A sea along the edge of an ocean, partly enclosed by land, islands, or peninsulas
• B. A sea with no coastline at all
• C. A shallow lake connected to the ocean by a river
• D. A sea that is completely landlocked

Explanation: Marginal seas sit at the ocean's edge and are partially fenced in by coastlines, islands, or peninsulas.

• A. A large inlet of the sea extending deep into the land
• B. A coastal body of water partly enclosed by land and opening into a larger water body
• C. A narrow channel between two seas
• D. A fully enclosed inland sea

Explanation: A bay is an indentation of the coastline that remains open to a larger sea or ocean.

• A. A sea with no land boundary
• B. A strait between two oceans
• C. A large inlet of the sea extending into the land, though naming conventions vary
• D. A small lake near the coast

Explanation: A gulf is a big sea inlet pushing into land; the bay/gulf distinction is partly conventional.

• A. The Red Sea
• B. The Caribbean Sea
• C. The Mediterranean Sea
• D. The Sargasso Sea

Explanation: The Sargasso Sea is bounded not by land but by surrounding ocean currents.

• A. The North Atlantic Ocean
• B. The Indian Ocean
• C. The South Pacific Ocean
• D. The Arctic Ocean

Explanation: The Sargasso Sea lies in the North Atlantic, encircled by its major currents.

• A. Continental coastlines
• B. Undersea mountain ridges
• C. Surrounding ocean currents
• D. Island chains on all sides

Explanation: Unlike other seas, the Sargasso Sea's limits are set by the currents of the North Atlantic gyre.

• A. Sea lettuce
• B. Irish moss
• C. Kelp
• D. Sargassum

Explanation: The sea gets its name from the free-floating sargassum weed abundant in its waters.

• A. The Mediterranean Sea
• B. The Red Sea
• C. The Black Sea
• D. The Caspian Sea

Explanation: The Mediterranean sits at the junction of the three continents.

• A. The Pacific Ocean
• B. The Atlantic Ocean
• C. The Arctic Ocean
• D. The Indian Ocean

Explanation: Its only natural outlet to an ocean is the Strait of Gibraltar into the Atlantic.

• A. The Strait of Malacca
• B. The Strait of Hormuz
• C. The Strait of Gibraltar
• D. The Bosporus

Explanation: Gibraltar links the Mediterranean with the Atlantic between Spain and Morocco.

• A. The Corinth Canal
• B. The Panama Canal
• C. The Kiel Canal
• D. The Suez Canal

Explanation: The Suez Canal cuts through Egypt, joining the Mediterranean to the Red Sea.

• A. Sicily
• B. Sardinia
• C. Cyprus
• D. Crete

Explanation: Sicily is the Mediterranean's biggest island, ahead of Sardinia and Crete.