2911: In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the
1. decomposer microorganisms to the surface.
2. nutrients to the surface.
3. bottom-dwelling organisms to the surface.
Which of the statements given above is/are correct ?
(a) 1 and 2
(b) 2 only
(c) 2 and 3
(d) 3 only
2912: Dry Farming in India is extensively practised in
(a) Kanara plains
(b) Deccan Region
(c) Coromandel plains
(d) Punjab plains
2913: Those who joined Mahatma Gandhi during the Champaran struggle included
(a) Vallabhbhai Patel and Vinobha Bhave
(b) Jawaharlal Nehru and Rajendra Prasad
(c) Rajendra Prasad and Anugraha Narayan Sinha
(d) Mahadev Desai and Maniben Patel
2914: During the Indian Freedom Struggle, who among the following proposed that Swaraj should be defined as complete independence free from all foreign control?
(a) Mazharul Haque
(b) Maulana Hasrat Mohani
(c) Hakim Ajmal Khan
(d) Abul Kalam Azad
2915: Which one of the following is a useful functional association between fungi and the roots of higher plants ?
(a) Biofertilizer
(b) Coralloid root
(c) Lichen
(d) Mycorrhiza