31) What is the source of Volga River?
(A) Altai Mountain
(B) Valdai Plateau
(C) Himalayas range
(D) None of these
32) The outflow of India River is ___________
(A) Black Sea
(B) Indus Sea
(C) Arabian Sea
(D) None of these
33) Which is the largest river of Asia?
(A) Yangtze Kiang
(B) Indus
(C) Hawang Ho
(D) Ob
34) Which is the largest river of Africa?
(A) Lena
(B) Niger
(C) Congo
(D) Nile river
35) Which is the longest river of North America?
(A) Mississippi
(B) Amazon
(C) Niger
(D) Lena
36) Which is the longest river of Europe?
(A) Volga
(B) Danube
(C) Amur
(D) None of these
37) Which is the longest river of South America?
(A) Massuri
(B) Peru
(C) Congo
(D) Amazon
38) Which of the following rivers is also called yellow river?
(A) Hawang Ho River
(B) Nile River
(C) Amazon River
(D) None of these
39) Colorado is a river which flows in:
(A) USA
(B) UK
(C) Peru
(D) Brazil
40) Congo river is located in:
(A) Asia
(B) Africa
(C) Europe
(D) America