51. Which one is the longest river in Tamil Nadu
(A) Kaveri
(B) Bhavani
(C) Thamirabarani
(D) Cheyyar
52. Mullaperiyar dispute is between Tamilnadu and
(A) Karnataka
(B) Odisha
(C) Kerala
(D) Andhra Pradesh
53. Botanical Survey of India is located in Tamil Nadu at
(A) Chennai
(B) Madurai
(C) Coimbatore
(D) Salem
54. The Pandyan king who consolidated and expanded the Pandya kingdom up to Kaveri was
(A) Sendan Cheliyan
(B) Sundara Pandyan
(C) Koon Pandyan
(D) Kadunkon
55. The first ruler of the Chola dynasty who kept strong navy was
(A) Rajaraja the Great
(B) Rajendra I
(C) Rajadhiraja I
(D) Rajendra II