Civil Service Preliminary Paper-1 Previous Year Solved Questions for the year 2014

21) The scientific view is that the increase in global temperature should not exceed 2 °C above pre-industrial level. If the global temperature increases beyond 3 °C above the pre-industrial level, what can be its possible impact/impacts on the world?
1. Terrestrial biosphere tends toward a net carbon source
2. Widespread coral mortality will occur.
3. All the global wetlands will permanently disappear.
4.Cultivation of cereals will not be possible anywhere in the world.

Select the correct answer using the code given below.
(a) 1 only
(b) 1 and 2 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4


22) What are the benefits of implementing the ‘Integrated Watershed Development Programme’?
1. Prevention of soil runoff
2. Linking the country’s perennial rivers with seasonal rivers
3. Rainwater harvesting and recharge of groundwater table
4. Regeneration of natural vegetation

Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 2, 3 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4



23) Which of the following statements is / are correct regarding vegetative propagation of plants?
1. Vegetative propagation produces clonal population.
2. Vegetative propagation helps in eliminating the virus.
3. Vegetative propagation can be practiced most of the year.

Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3



24) Consider the following international agreements:
1. The International Treaty on Plant Genetic Resources for Food and Agriculture
2. The United Nations Convention to Combat Desertification
3. The World Heritage Convention

Which of the above has / have a bearing on the biodiversity?
(a) 1 and 2 only
(b) 3 only,
(c) 2 and 3 only
(d) 1, 2 and 3



25) Consider the following statements regarding ‘Earth Hour’ :
1. It is an initiative of UNEP and UNESCO.
2. It is a movement in which the participants switch off the lights for one hour on a certain day every year.
3. It is a movement to raise the awareness about the climate change and the need to save the planet.

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



26) Which one of the following is the correct sequence of a food chain?
(a) Diatoms-Crustaceans-Herrings
(b) Crustaceans-Diatoms-Herrings
(c) Diatoms-Herrings-Crustaceans
(d) Crustaceans-Herrings-Diatoms



27) There is some concern regarding the nano particles of some chemical elements that are used by the industry in the manufacture of various products. Why?
1. They can accumulate in the environment, and contaminate water and soil.
2. They can enter the food chains.
3. They can trigger the production of free radicals.

Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3


28) Which of the following have coral reefs?
1. Andaman and Nicobar Islands
2. Gulf of Kachchh
3. Gulf of Mannar
4. Sunderbans

Select the correct answer using the code given below.
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4



29) In India, the problem of soil erosion is associated with which of the following?
1.Terrace cultivation
2. Deforestation
3. Tropical climate’

Select the correct answer using the code given below.
(a) I and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3



30) Consider the following pairs :
Wetlands : Confluence of rivers
1. Harike Wetlands : Confluence of Beas and Satluj/Sutlej
2. Keoladeo Ghana National Park :Confluence of Banas and Chambal
3. Kolleru Lake :Confluence of Musi and Krishna
Which of the above pairs is/are correctly matched?
(a) 1 only
(b) 2 and 3 only
(e) 1 and 3 only
(d) 1, 2 and 3


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