71. Ganges, Brahmaputra, Mahanadi, Cauvery, Narmada, Godavari and Krishna are extensive areas of A. Inland fisheries B. Estuarine fisheries C. Coastal fisheries D. Deep sea fisheries ✅ The correct answer is option A.
72. The Portuguese possessions Goa, Daman and Diu were liberated in _______. A. 1961 B. 1971 C. 1981 D. 1951 ✅ The correct answer is option A.
73. Hampi is in A. Andhra Pradesh B. Tamil Nadu C. Karnataka D. Sri Lanka ✅ The correct answer is option C.
75. Diamond mine are being worked at _____. A. Hazaribagh, Jharkhand B. Kolar, Karnataka C. Neyveli, Tamil Nadu D. Panna, Madhya Pradesh ✅ The correct answer is option D.
76. Which one of the following soil types of India is rendered infertile by the presence of excess iron? A. Desert sand B. Alluvial C. Podzolic D. Lateritic ✅ The correct answer is option D.
77. In the agricultural resources, cereals comprise A. rubber, oil seeds, groundnut B. cotton, Jute, hemp C. tea, coffee, cocoa D. rice, wheat, millets ✅ The correct answer is option D.
78. The system or shifting cultivation in the north eastern region of India is called A. Jhuming B. Bewar C. Taungya D. Ladang ✅ The correct answer is option A.
79. The Himalayas are formed of parallel fold range a of which the oldest range is A. the Shiwalik Range B. the Lesser Himalayas C. the Great Himalayan Range D. the Dhaula Dhar Range ✅ The correct answer is option C.
80. Operation Flood refers to A. Blue revolution B. Green revolution C. White revolution D. All the three ✅ The correct answer is option C.