world economic industry trade agriculture section 2 MCQ Questions & Answers Detailed Explanation

Answer: (b)

Answer: (b)

Port Hedland in Western Australia is the world’s largest mining port. It is one of the largest iron ore loading ports in the world and the largest in Australia. It is also the busiest bulk export ports in the world.

Answer: (c)

Ukai reservoir is situated in Surat. Tawa reservoir is situated in Tava of Hoshangabad.

Answer: (a)

Maracaibo is an oil-port of Venezuela as it has oil rich basis.

Answer: (d)

Demographic transition (DT) refers to the transition from high birth and death rates to lower birth and death rates as a country or region develops from a pre-industrial to an industrialized economic system.

The theory was proposed in 1929 by the American demographer Warren Thompson, who observed changes, or transitions, in birth and death rates in industrialized societies over the previous 200 years.

Most developed countries have completed the demographic transition and have low birth rates; most developing countries are in the process of this transition.

Answer: (a)

• Copper mineral located in Katanga.
• Diamond mineral located in Kimberley.
• Gold mineral located in Witwatersrand. The Witwatersrand Gold Rush was a gold rush in 1886 that led to the establishment of Johannesburg, South Africa. It was part of the Mineral Revolution.
• Silver located in Butte.