Civil Service Preliminary Paper-1 Previous Year Questions on Ecology, Biodiversity Conservation & Environmental Issues - 2012

1) What are the reasons for the people's resistance to the introduction of BT brinjal in India?
1. BT brinjal has been created by inserting a gene from a soil fungus into its genome.
2. The seeds of BT brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies.
3. There is an apprehension that the consumption of BT brinjal may have adverse impact on health.
4. There is some concern that the introduction of BT brinjal may have adverse effect on the biodiversity.

Select the correct answer using the codes given below:
(A) 1, 2 and 3 only
(B) 2 and 3 only
(C) 3 and 4 only
(D) 1,2,3 and 4


2) The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
1. The growth and survival of calcareous phytoplankton will be adversely affected
2. The growth and survival of coral reefs will be adversely affected
3. The survival of some animals that have phytoplankton larvae will be adversely affected
4. The cloud seeding and formation of clouds will be adversely affected

Which of the statements are correct?
(A) 1, 2 and 3 only
(B) 2 only
(C) 1 and 3only
(D) 1, 2, 3 and 4


3) Consider the following protected areas:
1. Bandipur
2. Bhitarkanika
3. Manas
4. Sunderbans

Which of the above are declared Tiger Reserves?
(A) 1 and 2 only
(B) 1, 3 and 4 only
(C) 2, 3 and 4 only
(D) 1, 2, 3 and 4


4) In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass?
(A) Biosphere reserves
(B) National parks
(C) Wetlands declared under Ramsar convention
(D) Wildlife sanctuaries


5) Which one of the following groups of animals belongs to the category of endangered species?
(A) Great Indian bustard, Musk Deer, Red Panda and Asiatic Wild Ass
(B) Kashmir Stag, Cheetah, Blue Bull, GIB
(C) Snow Leopard, Swamp Deer, Rhesus Monkey, Saras (Crane)
(D) Lion Tailed Macaque, Blue Bull, Hanuman Langur, Cheetah


6) The Millenium Ecosystem Assessment describes the following major categories of ecosystem services-provisioning, supporting, regulating, preserving and cultural. Which one of the following is supporting service?
(A) Production of food and water
(B) Control of climate and disease
(C) Nutrient Cycling and crop pollinator
(D) Maintenance of diversity


7) What is the difference between the antelopes Oryx and Chiru?
(A) Oryx is adapted to live in hot and arid areas whereas Chiru is adapted to live in steppes and semi-desert areas of cold high mountains
(B) Oryx is poached for its antlers whereas Chiru is poached for its musk
(C) Oryx exists in western India only whereas Chiru exists in north east India only.
(D) None of the statements (A), (B) and (C) given above is correct.


8) Which of the following can be threats to the biodiversity of a geographical area?
1 Global warming
2 Fragmentation of habitat
3 Invasion of alien species
4 Promotion of vegetarianism

Select the correct answer using the codes given below:
(A) 1, 2 and 3 only
(B) 2 and 3 only
(C) 1 and 4 only
(D) 1, 2, 3 and 4


9) Consider the following:
1. Black necked crane
2. Cheetah
3. Flying squirrel
4. Snow leopard

Which of the above are naturally found in India?
(A) 1, 2 and 3 only
(B) 1, 3 and 4 only
(C) 2 and 4 only
(D) 1, 2, 3 and 4


10) Consider the following agricultural practices:
1. Contour bunding
2. Relay cropping
3. Zero tillage

In the context of global climate change, which of the above helps/help in carbon sequestration/ storage in the soil?
(A) 1 and 2 only
(B) 3 only
(C) 1, 2 and 3
(D) None of them


11) What would happen if phytoplankton of an ocean is completely destroyed for some reason?
1. The ocean as a carbon sink would be adversely affected.
2. The food chains in the ocean would be adversely affected.
3. The density of ocean water would drastically decrease.

Select the correct answer using the codes given below:
(A) 1 and 2 only
(B) 2 only
(C) 3 only
(D) 1, 2 and 3


12) Vultures used to be very common in Indian countryside some years ago are rarely seen nowadays. This is attributed to
(A) the destruction of their nesting sites by new invasive species
(B) a drug used by cattle owners for treating their diseased cattle
(C) Scarcity of food available to them
(D) a widespread, persistant and fatal disease among them


13) How does National Biodiversity Authority help in protecting the Indian agriculture?
1. NBA checks the biopairacy and protects the indigenous and traditional genetic resources.
2. NBA directly monitors and supervises the scientific research on genetic modification of crop plants.
3 Applications for intellectual property rights related to genetic/ biological resources can not be made without the approval of NBA.

Which of the statements given above is/ are correct?
(A) 1 only
(B) 2 and 3 only 
(C) 1 and 3 only
(D) 1, 2 and 3


14) The national green tribunal act. 2010 was enacted in consonance with which of the following provisions of the constitution of India?
1 Right to healthy environment, construed as a part of Right to life under article 21
2 Provision of grants for raising the level of administration in the scheduled areas for the welfare of scheduled tribes under article 275(1)
3 Powers and functions of gram Sabah as mentioned under article 243 (A) 
Which of the statements given above is/ are correct?
(A) 1 only
(B) 2 and 3 only
(C) 1 and 3 only
(D) 1, 2 and 3


15) Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context which of the following statements correct?
1 Coconut shells, groundnut shells and rice husk can be used in biomass gasification
2 The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only
3.The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines.

Select the correct answer using the codes given below:
(A) 1 only
(B) 2 and 3 only
(C) 1 and 3 only
(D) 1, 2 and 3


16) Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning?
1 Smelting units
2 Pens pencils
3 Paints
4 Hair oils and cosmetics

Select the correct answer using the codes given below:
(A) 1, 2 and 3 only
(B) 1 and 3 only
(C) 2 and 4 only
(D) 1, 2, 3 and 4


17) Chlorofluorocarbons, known as ozone depleting substances are used
1. In the production of plastic foams
2. In the production of tubeless tyres
3. In cleaning certain electronic components
4. As pressurizing agents in aerosol cans

Which of the statements given above is/are correct?
(A) 1,2 and 3 only
(B) 4 only
(C) 1, 3 and 4 only
(D) 1, 2, 3 and 4

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