Q 01/05

How many countries does the Mekong flow through?

A) 6

B) 7

C) 8

D) 9

Answer · why

A) 6

China, Myanmar, Laos, Thailand, Cambodia and Vietnam.

Q 02/05

What is the Mekong officially called in China?

A) Yarlung

B) Lancang

C) Salween

D) Nu Jiang

Answer · why

B) Lancang

The name comes from the Lao kingdom of Lan Xang, though the characters can be read as turbulent green river.

Q 03/05

On which high plateau does the Mekong rise?

A) The Deccan

B) The Tibetan

C) The Yunnan-Guizhou

D) The Khorat

Answer · why

B) The Tibetan

Its headwaters are protected in the Sanjiangyuan reserve, alongside those of the Yellow River and Yangtze.

Q 04/05

What is the estimated length of the Mekong?

A) 4,909 km

B) 5,500 km

C) 6,300 km

D) 7,000 km

Answer · why

A) 4,909 km

Its drainage basin covers about 795,000 square kilometres.

Q 05/05

Where does the Mekong rank among the world's longest rivers?

A) Ninth

B) Twentieth

C) Fifth

D) Twelfth

Answer · why

D) Twelfth

It is the third-longest in Asia.