All Free Economics MCQs with Answers

• A. internal validity
• B. face validty
• C. reliability
• D. external validity

Explanation: External validity concerns whether findings from a study can be generalized to other people, settings, or the wider population.

• A. 15.8%
• B. 11.8%
• C. 10.8%
• D. 15.4%

Explanation: South America covers roughly 12% of the world’s total land area, which corresponds most closely to 11.8%.

• A. Indai
• B. Bhutan
• C. South Africa
• D. China

Explanation: China has been the world’s leading gold-producing country in recent years, while South Africa was the historical leader for much of the…

• A. Diamonds
• B. Silver
• C. Perfumes
• D. Cereals

Explanation: Kimberley is a major diamond-mining centre in South Africa, especially associated with the famous Kimberley diamond mines.

• A. Iron ore
• B. Coal
• C. Mica
• D. Copper

Explanation: India has historically been the world's leading producer of mica, particularly sheet mica used in electrical and industrial applications.

• A. USA
• B. Russia
• C. Mexico
• D. South Africa

Explanation: Mexico is the leading silver-producing country and has extensive silver mines, especially in states such as Zacatecas and Durango.

• A. Iron, gold and silver
• B. Gold, silver and lead
• C. Iron, lead and sulphur
• D. All of the above minerals

Explanation: Copper occurs naturally but is more commonly obtained from ores containing combinations of sulfur, iron, lead and associated precious…

• A. Rubber
• B. Jute
• C. Rice
• D. None of these

Explanation: Rice needs high summer temperatures and heavy, clayey or alluvial soil that can retain water and support the crop.

• A. Indonesia
• B. India
• C. Brazil
• D. None of these

Explanation: Brazil is the world's leading coffee producer, with favourable warm conditions and extensive coffee-growing regions on upland slopes.

• A. Wheat
• B. Rice
• C. Gram
• D. None of these

Explanation: Rice is a kharif crop because it is generally sown with the monsoon and harvested later in the year.

• A. Red Soil
• B. Black soil
• C. Literate soil
• D. None of these

Explanation: Black soil is deep, clayey and moisture-retentive, allowing it to support deep-rooted crops such as cotton.

• A. China
• B. Brazil
• C. India
• D. USA

Explanation: Brazil has long been the world’s leading sugarcane producer, mainly because of its vast cultivated area and strong sugar-ethanol industry.

• A. Russia
• B. China
• C. Pakistan
• D. USA

Explanation: China is the world’s largest coal producer by a wide margin, producing more coal than the United States and Russia.

• A. Australia
• B. Argentina
• C. China
• D. Cuba

Explanation: China is traditionally identified as the leading rice-producing country, supported by its large irrigated agricultural regions and high…

• A. mothers
• B. infants
• C. both a & b
• D. not a nor b

Explanation: Malnutrition increases the risk of death among both mothers and infants: it weakens maternal health and contributes to low birth weight…

• A. Sweden
• B. Australia
• C. Netherlands
• D. Switzerland

Explanation: Edam is a Dutch cheese named after the town of Edam in the Netherlands. The other countries listed are not its country of origin.

• A. Arabia Sea
• B. Mediterranean sea
• C. North West Pacific Ocean
• D. East China Sea

Explanation: The Northwest Pacific is the world's largest marine fishing ground because of its extensive continental shelves, productive currents and…

• A. 51%
• B. 62%
• C. 55.5%
• D. 58.6%

Explanation: Asia contains roughly three-fifths of the world's population, commonly expressed in older statistical tables as about 58.6%.

• A. Mustard
• B. Pepper
• C. Sald
• D. Basil

Explanation: Brassica is the botanical genus that includes mustard plants, while pepper and basil belong to different genera.

• A. United kingdom
• B. Australia
• C. China
• D. India

Explanation: China is generally the largest sheep-holding country, while Australia is a leading wool and sheep-producing country and is commonly ranked…