Geography

K2 is also known as Mount Godwin-Austen, named after the surveyor Henry Godwin-Austen who explored the region. The other options refer to different peaks or are incorrect.

The Niger River is commonly referred to as the 'Oil River' because it flows through the oil-rich Niger Delta region in Nigeria, which is a major oil-producing area. This nickname is not associated with the Yangtze or Indus Rivers.

A port's strategic significance is primarily due to its access to major maritime routes, which facilitates trade, military presence, and economic influence. Isolation from markets or having a limited hinterland reduces a port's strategic importance, making options B and C incorrect. Option D is incorrect as option A correctly identifies the key attribute.

Warsak Dam is constructed on the Kabul River near Peshawar in Pakistan. This dam is primarily used for hydroelectric power generation and irrigation.

Nanga Parbat is the highest peak in the Himalayas range located in Pakistan, standing at 8,126 meters. It is well-known as the ninth highest mountain in the world and is often called the 'Killer Mountain' due to its challenging climbing conditions.

K2 is also known as Mount Godwin-Austen, named after the surveyor Henry Godwin-Austen who explored the area. The other options are names of different peaks or incorrect.

The Kishanganga Dam is constructed on the Kishanganga River, which is a tributary of the Chenab River. Therefore, the correct answer is Chenab, not Jhelum.

The length of the border between Pakistan and China is approximately 595 kilometers, making option C the correct answer. This border is known as the Khunjerab Pass region, connecting Gilgit-Baltistan in Pakistan with Xinjiang in China.

Anchar Lake is a well-known lake located in Jammu and Kashmir, India. The other options refer to different districts not associated with Anchar Lake.

Africa is historically referred to as the "Dark Continent" due to the limited knowledge Europeans had about its interior during the 19th century. This nickname reflects historical context rather than any current characteristic.