Saturday, 16 August 2014

General Science Q & A part - 4


31. Consider the following statements.
         1. The boundaries of a National Park are defined by legislation.
        2. A Biosphere reserve is declared to conserve a few specific species of flora and fauna.
        3.In  a Wildlife Sanctuary, limited  biotic interference is permitted.
Which  of the  above statement is/are correct?
            (a)    1 only                 (b) 2 and 3 only
(c) 1 and 3 only         (d) 1, 2 and 3   

32. A pesticide which chlorinated hydrocarbon is sprayed on a food crop. The food chain is Food crop-Rate-snake –Hawk. In this food chain., the highest concentration of the pesticide would accumulate in which one of the following?
(a) Food crop                     (b) Rat
(c) Snake                            (d) Hawk

33 With reference to soil conservation, consider the following practices.          
1. Crop rotation
2.Sand fences
3. Terracing
4. Wind breaks
Which  of the above are considered appropriate methods for soil conservation in India?
(a) 1, 2 and 3 only                          (b) 2 and 4 only
(c) 1, 3 and 4 only                           (d) 1, 2, 3 and 4

34. An objective of the National Food Security Mission is to increase the production of certain crops through area expansion and productivity enhancement in a sustainable manner in the identified district of the country . What are those crops?
(a) Rice and Wheat only
(b) Rice, wheat and Pulses only
© Rice, wheat, Pulses and oil seeds only
(d)Rice, Wheat, pulses, oil seeds and vegetables

35. The United Nations Framework Convention on climate Change (UNFCCC) is an international treaty drawn  at
(a) United Nations Conference on Environment , Stockholm, 1972
(b)Un Conference on environment and Development, Rio de Janerio, 1992
(c ) World  Summit on sustainable Development,Johannesburg, 2002
(d)UN  Climate Change Conference, Cophenhagen, 2009

36. Which bacterial strain, developed from natural isolates by genetic manipulation, can be used for treating oil spills?
(a) Agrobacterium                         (b) Clostridium
(c)Nitrosomonas                             (d) Pseudomonas

37. India is party to the Ramsar Convention and has declared many areas as Ramsar Sites. Which of the following statements best describes as to how we should maintain these sites in the context of this convention?
(a)  Keep all the sites completely inaccessible to man so that they will not be exploited
(b)Conserve all sites through ecosystem approached and permit tourism and recreation only
(c) Conserve all sites through ecosyste approach for a period without any exploitation, with specific criteria and specific period for each site, and they allow sustainable use of them for future generations.
(d) Conserve all the sites through ecosystem approach and allow their simultaneous sustainable use

38. Due to their extensive rice cultivation, some regions may be contributing to global warming . To what possible reason/ reasons is this attributable?
1. The anaerobic cause the emission of methane.
2. When nitrogen based fertilizers are used, nitrous oxide is emitted from the cultivated soil.
Which of the statements given above is/are correct?
            (a)    1 only                     (b) 2 only
(c) Both 1 and 2          (d) Neither 1 nor 2

39. Sustainable  development is described as the development that meets the needs of the present, without compromising the ability of future generations, to meet their own needs. In this perspective, inherently the concepts of sustainable development is intertwined with which of the following concepts?
(a) Social Justice and Empowerment
(b) Inclusive growth
(c)Globalisation
(d) Carrying capacity

40. Consider  the following pairs:

Protected area
Well-known for
1.
Bhitarkanika, Orissa
Salt water Crocodile
2.
Desert National Park,
Great Indian Bustard Rajasthan
3.
Eravikulam, Kerala
Hoolak Gibbon

 Which of the pair given above is/ are correctly  matched?
            (a)    1 only           (b)  1 and 2 only
(c) 2 only             (d) 1, 2 and 3

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