Q81. Patna is situated on which river of the following ?

(A) Ganga
(B) Saryu
(C) Son
(D) Phalgu

Answer: Ganga

Q82. Main tributaries of …………….. river are Balason, Ratwa and Kankai.

(A) Bagmati
(B) Son
(C) Mahananda
(D) Gandak

Answer: Mahananda

Q83. Triveni canal has been constructed on the river

(A) Kosi
(B) Son
(C) Gandak
(D) Kamla

Answer: Gandak

Q84. Which river has the largest catchment area in Bihar ?

(A) Ganga
(B) Son
(C) Kiul
(D) Kosi

Answer: Ganga

Q85. Which river among the following does not enter Ganga from South ?

(A) Saryu
(B) Son
(C) Kiul
(D) Punpun

Answer: Saryu

Q86. Which famous railway bridge is constructed on Ganga ?

(A) Mahatma Gandhi bridge
(B) Son bridge
(C) Bagha-Chhitari bridge
(D) Rajendra bridge

Answer: Mahatma Gandhi bridge

Q87. Tel river is the tributary of which river ?

(A) Bagmati
(B) Ghaghara
(C) Gandak
(D) Kamala

Answer: Ghaghara

Q88. Name the bridge constructed over the Ganga which connects Patna to Hajipur.

(A) Mahatma Gandhi Setu
(B) Hirakud Setu
(C) Gopalgunj Bridge
(D) None of the above

Answer: Mahatma Gandhi Setu

Q89. Which statement is not true about Kakolat waterfall ?

(A) It is in Nawada district.
(B) It is not a famous tourist site.
(C) There is a natural reservoir below the fall.
(D) All of the above

Answer: All of the above

Q90. Dordha is a tributary of which of the following rivers ?

(A) Phalgu
(B) Kamla
(C) Mahananda
(D) Punpun

Answer: Punpun