Nigeria is the most populous and oil-rich country in Africa.

Correct Option: C

Nigeria is the most populous and oil-rich country in Africa.

United States of America, India, China, Brazil and Canada were the first five major producers of the timber in 2006. As per the International Tropical Timber Organization, Annual Review and Assessment of the World Timber Situation 2010, USA, Canada and Brazil were the first three producers of sawn wood in the world.

Correct Option: A

United States of America, India, China, Brazil and Canada were the first five major producers of the timber in 2006. As per the International Tropical Timber Organization, Annual Review and Assessment of the World Timber Situation 2010, USA, Canada and Brazil were the first three producers of sawn wood in the world.

Mongla is the main sea port in the Bagerhat District of south-western Bangladesh. The port is situated at the confluence of the Pashur River and the Mongla River. It lies about 100 km north of the Bay of Bengal and is very near to Sundarbans.

Correct Option: B

Mongla is the main sea port in the Bagerhat District of south-western Bangladesh. The port is situated at the confluence of the Pashur River and the Mongla River. It lies about 100 km north of the Bay of Bengal and is very near to Sundarbans.

India happens to be the largest producer of mica blocks in the world. India produces about 90 per cent of the world's mica. India accounts for 60 per cent of mica embarking in international trade.

Correct Option: B

India happens to be the largest producer of mica blocks in the world. India produces about 90 per cent of the world's mica. India accounts for 60 per cent of mica embarking in international trade.

Trans-Siberian Railway is a network of railways connecting Moscow with the Russian Far East and the Sea of Japan. En route it passes through the cities of Perm, Yekaterinburg, Omsk, Novosibirsk, Krasnoyarsk, Irkutsk, Chita and Khabarovsk to Vladivostok via southern Siberia.

Correct Option: A

Trans-Siberian Railway is a network of railways connecting Moscow with the Russian Far East and the Sea of Japan. En route it passes through the cities of Perm, Yekaterinburg, Omsk, Novosibirsk, Krasnoyarsk, Irkutsk, Chita and Khabarovsk to Vladivostok via southern Siberia.