2351: Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of
1. Its escape into the outer strato-sphere.
2. The photosynthesis by phyto-plankton in the oceans.
3. The trapping of air in the polar ice caps
Which of the statements given above is/are correct?
(a) 1 and 2
(b) 2 only
(c) 2 and 3 only
(d) 3 only
2352: Which dynasty was well-known for excellent village administration?
(a) Pandyas
(b) Pallavas
(c) Cholas
(d) Chalukyas
2353: The most controversial provision in the 42nd Constitution Amendment was:
(a) Supremacy of Parliament
(b) Enumeration of ten Fundamental Duties
(c) Term of Lok Sabha and Legislative Assemblies
(d) Primacy to the Directive Principles over the Fundamental Rights
2354: Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?
1. Construction of dams and barrages on rivers.
2. Increase in the population of crocodiles in rivers.
3. Getting trapped in fishing nets accidentally.
4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers.
Select the correct answer using the code given below :
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
2355: Which one of the following statements does correctly defines the term "drain theory" as propounded by Dadabhai Naoroji?
(a) That the resources of the country were being utilised in the interest of Britain
(b) That a part of India's national wealth or total annual product was being exported to Britain for which India got no material return
(c) That the British Industrialists were being given an opportunity to invest in India under the protection of the imperial power
(d) That the British goods were being imported to the country making it poorer day by day