3206: Mulching the soil is a process whereby:
(a) Big pieces of soil are broken down into smaller pieces
(b) The field is irrigated at regular intervals
(c) Transplanting of seedlings take place
(d) Loose material, dung, etc. are laid on the ground to prevent excessive evaporation or erosion of the soil
3207: Stiglitz Commission established by the President of the United Nations General Assembly was in the international news. The commission was supposed to deal with
(A) Expansion of the United Nations Security Council in the present global scenario
(B) Global terrorism and prepare a global action plan for the mitigation of terrorism
(C) The challenges posed by the impending global climate change and prepare a road map
(D) The workings of the global financial systems and to explore ways and means to secure a more sustainable global order
3208: If water pollution continues at its present rate, it will eventually
(a) stop water cycle
(b) prevent precipitation
(c) make oxygen molecules unavailable to water plants
(d) make nitrate unavailable to water plants
3209: Match List-I (Institute) with List-II (Located At) and select the correct answer using the codes given below the Lists :
List-I List-II
(Institute) (Located At)
A. Indian Institute of Geomagnetism 1. Coimbatore Institute
B. International Research Centre for Powder Metallurgy and New Materials 2. Mumbai Advanced
C. Salim Ali Centre for Ornithology and Natural History 3. Jabalpur
D. Tropical Forestry Research Institute 4. Hyderabad
Codes:
A B C D
(a) 2 3 1 4
(b) 1 4 2 3
(c) 2 4 1 3
(d) 1 3 2 4
3210: Genetic code is made up by the four-letter alphabet forming the pairs:
(a) A--C, C--A, T--G, G--T
(b) A--G, G--A, C--A, T--C
(c) T--G, G--T, A--C, C--A
(d) A--T, T--A, C--G, G--C