46. Which of the following statement(s) is/are incorrect? 1. Magnesite, phosphorite and fluorite are metallic minerals. 2. NALCO is the lowest cost producer of Copper in the world 3. Together, Punjab and Haryana account for almost 65 percent of the total hydropower potential of the country.
1 and 2 Only
3 Only
1 and 3 Only
1, 2 and 3
47. PM Mitra Parks are often heard in news in context of:
Mica Production
Milk Production
Textile Industry
Nuclear Power
48. Which of the following events of Indian economy was the first to happen?
LPG reforms
Sixth Five Year Plan
Culmination of White Revolution
Beginning of Green Revolution
49. Which one of the following rivers, often heard in news, is correctly matched with its tributary:
Ganga: Penganga
Brahmputra: Ken
Krishna: Tungabhadra
Cauvery: Hasdeo
50. Which one of the following is not electromagnetic in nature?
Cathode rays
X-rays
Gamma- rays
Infrared rays