All Free General Knowledge MCQs with Answers

• A. Eucalyptus and acacia
• B. Oak, beech and maple
• C. Teak and mahogany
• D. Pine, spruce and fir

Explanation: The taiga is dominated by needle-leaved conifers — pine, spruce and fir.

• A. The taiga (boreal forest)
• B. The tropical rainforest
• C. The temperate deciduous forest
• D. The mangrove forest

Explanation: The taiga, stretching across Russia, Canada and Scandinavia, is the largest forest biome on land.

• A. The frost line
• B. The tree line
• C. The timber belt
• D. The snow line

Explanation: The tree line (or timberline) marks the latitude or altitude beyond which trees cannot grow.

• A. Camel and oryx
• B. Penguins and seals
• C. Reindeer (caribou), polar bear and arctic fox
• D. Kangaroo and koala

Explanation: The Arctic tundra is home to reindeer (caribou), polar bears, arctic foxes and similar cold-adapted animals.

• A. Penguins and seals
• B. Arctic foxes and lemmings
• C. Walruses and musk oxen
• D. Polar bears and reindeer

Explanation: Antarctica's characteristic animals are penguins and seals; there are no polar bears in the southern hemisphere.

• A. Tundra climate
• B. Highland (alpine) climate
• C. Monsoon climate
• D. Mediterranean climate

Explanation: High mountain summits have the cold highland or alpine climate even in the tropics, because temperature falls with altitude.

• A. It changes from tundra to taiga to rainforest
• B. It changes from deserts to grasslands to forests
• C. It changes from forests to scrub to alpine meadows to bare rock and snow
• D. It stays the same at all altitudes

Explanation: Climbing a mountain passes through vegetation zones — forest, then scrub, then alpine meadows, then bare rock and permanent snow.

• A. Temperate deciduous forest
• B. Boreal forest
• C. Mediterranean woodland
• D. Tropical evergreen forest

Explanation: Tropical evergreen forests, or rainforests, keep their broad leaves green throughout the year in the hot, wet tropics.

• A. Coniferous trees such as pine and spruce
• B. Mango and neem
• C. Oak and beech
• D. Teak and rosewood

Explanation: Conifers like pine and spruce yield softwood, the main raw material for paper and matchsticks.

• A. Freshwater lakes
• B. Salty, tidal coastal waters
• C. Dry desert sands
• D. High mountain slopes

Explanation: Mangroves are salt-tolerant trees adapted to tidal mudflats and estuaries along tropical coasts.

• A. The Florida Everglades
• B. The Amazon mangroves
• C. The Niger Delta mangroves
• D. The Sundarbans

Explanation: The Sundarbans, shared by Bangladesh and India, form the world's largest mangrove forest.

• A. The rubber tree (Hevea brasiliensis)
• B. The cinchona tree
• C. The teak tree
• D. The cacao tree

Explanation: Natural rubber is tapped as latex from the rubber tree, Hevea brasiliensis, native to the Amazon.

• A. The kola tree
• B. The cacao tree
• C. The rubber tree
• D. The coffee tree

Explanation: Cocoa beans, the raw material of chocolate, come from the pods of the cacao tree.

• A. 135° E
• B. 105° E
• C. 120° E
• D. 150° E

Explanation: Each hour of time equals 15° of longitude, so UTC+8 corresponds to 120° E.

• A. 130° E
• B. 120° E
• C. 140° E
• D. 135° E

Explanation: Since one hour equals 15° of longitude, UTC+9 corresponds to 135° E.

• A. One hour
• B. Fifteen minutes
• C. Forty-five minutes
• D. Thirty minutes

Explanation: India (UTC+5:30) is thirty minutes ahead of Pakistan (UTC+5).

• A. Thirty minutes
• B. Forty-five minutes
• C. Fifteen minutes
• D. One hour

Explanation: Nepal (UTC+5:45) is forty-five minutes ahead of Pakistan (UTC+5).

• A. One hour
• B. Forty-five minutes
• C. Fifteen minutes
• D. Thirty minutes

Explanation: Nepal (UTC+5:45) is fifteen minutes ahead of India (UTC+5:30).

• A. Four hours
• B. Two hours
• C. One hour
• D. Three hours

Explanation: China uses a single time zone (UTC+8), which is three hours ahead of Pakistan (UTC+5).

• A. Four hours
• B. Three hours
• C. Two hours
• D. Five hours

Explanation: Japan (UTC+9) is four hours ahead of Pakistan (UTC+5).