Solution of the UPSC Civil Services (Preliminary) Examination 2012 – GS Paper 1

71. Government of India encourages the cultivation of ‘sea buckthorn ‘. What is the importance of this plant?
1. It helps in controlling soil erosion and in preventing desertification.
2. It is a rich source of biodiesel.
3. It has nutritional value and is well-adapted to live in cold areas of high altitudes.
4. Its timber is of great commercial value.
Which of the statements given above is/are correct?
[A]1 Only
[B]2, 3 & 4 Only
[C]1 & 3 Only
[D]1, 2, 3 & 4

1 & 3 Only
Sea- Buck Thorn
1. Seabuckthorn is a medicinal plant found in the Himalayan region. Our country holds tremendous potential in respect of Seabuckthorn fruit production and diverse varieties which have health-promoting properties and can play a crucial role in preventing soil erosion and help nitrogen fixation in cold and desert areas.
2. This is the most important environmental benefit of the Seabuckthron.
3. Seabuckthorn fruit grows in the cold deserts of Ladakh region of Jammu and Kashmir, Lahul-Spiti in Himachal Pradesh and some parts of Arunachal Pradesh.
Please note that as of now, it has not been established that Seabuckthorn oil is a “Rich” source of Biodiesel. It was studied as a good option / cadidate for the manufacture of biodiesel. The major use of seabuckthorn oil is in medicinal and food use. In my view, statement 2 is incorrect. Then, its a shrub, how it’s timber can be used and in what purpose?
National Mission on Seabuckthorn can be accessed here

72. Which of the following is the chief characteristic of ‘mixed fanning?
[A]Cultivation of both cash crops and food crops
[B]Cultivation of two or more crops in the same field
[C]Rearing of animals and cultivation of crops together
[D]None of the above

Rearing of animals and cultivation of crops together
In Indian context Mixed farming is the livestock production such as bovine stock, cattle and buffaloes, with which agriculture is integrated. Correct answer is C, UPSC framed the question poorly. They could put bit smarter question.

73. A particular State in India has the following characteristics:
1. It is located on the same latitude which passes through northern Rajasthan.
2. It has over 80% of its area under forest cover.
3. Over 12% of forest cover constitutes Protected Area Network in this State.
Which one among the following States has all the above characteristics?
[A]Arunachal Pradesh
[C]Himachal Pradesh

Arunachal Pradesh
As per the State of Indian Forests Report 2011, in Arunachal Pradesh, the recorded forest area is 61.55% of its Geographical area. The protected areas here constitute 11.68% area of the state. The total forest cover of Arunachal Pradesh is 68,019 km², which is 81.22% of its area. So the correct answer is Arunachal Pradesh.

74. Consider the following crops of India :
1. Cowpea
2. Green gram
3. Pigeon pea
Which of the above is/are used as pulse, fodder and green manure?
[A]1 & 2 Only
[B]2 & 3 Only
[C]1 & 3 Only
[D]1,2 & 3

1,2 & 3
Green manure crops or legumes like cowpea, horse gram and green gram improves precipitation-use efficiency during off -season. Cow Pea is Lobia. Lobia as a green manure puts in nitrogen, builds organic matter, smothers weeds and controls nematodes. Pieon Pea (Tur/ Arhar) is also extensively used as geen manure. Pulse and Fodder are all of them. So correct answer is 1, 2 & 3.

75. Consider the following factors
1. Rotation of the Earth
2. Air pressure and wind
3. Density of ocean water
4. Revolution of the Earth
Which of the above factors influence the ocean currents?
[A]1 & 2 Only
[B]1, 2, 3
[C]1 & 4
[D]2, 3 & 4

1, 2, 3
The Rotation of Earth (Coriolis Force), forces acting via winds, temperature and salinity differences influence the ocean currents. Correct answer 1, 2 & 3.

76. Consider the following protected areas;
1. Bandipur
2. Bhitarkanika
3. Manas
4. Sunderbans
Which of the above are declared Tiger Reserves?
[A]1 & 2 Only
[B]1, 3 and 4 Only
[C]2, 3 and 4 only
[D]1,2, 3 & 4

1, 3 and 4 Only
Bhitarkanika is not a tiger reserve

77. Consider the following statements :
1. The duration of the monsoon decreases from southern India to northern India.
2. The amount of annual rainfall in the northern plains of India decreases from east to west.
Which of the statements given above is / are correct?
[A]1 Only
[B]2 Only
[C]Both 1 & 2
[D]Neither 1 nor 2

Both 1 & 2
Both are correct statements.

78. Which one of the following is the characteristic climate of the Tropical Savannah Region?
[A] Rainfall throughout the year
[B]Rainfall in winter only
[C]An extremely short dry season
[D]A definite dry and wet season

A definite dry and wet season
Tropical Savannah has a definite dry and wet season. The wet summer season lasts 6-8 months and during these days, there is plenty of rainfall. Winter lasts for 4-6 months and there might be no rains in winter. This winter is the dry season in which there are frequent forest fires.

79. In which one among the following categories of protected areas in India are local people are not allowed to collect and use the biomass?
[A]Biosphere Reserves
[B]National Parks
[C]Wetlands declared under Ramsar Convention
[D]Wildlife Sanctuaries

National Parks

80. Consider the following kinds of organisms:
1. Bat
2. Bee
3. Bird
Which of the above is/ an pollinating agent/agents?
[A]1 & 2 only
[B]2 Only
[C]1 and 3 only
[D]1, 2 & 3

1, 2 & 3
All are pollinating agents.

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  • jace

    sir, cut off- is it is combined or for Paper I only?

    • GKToday

      @ jace,

      Cut off is combined, there is no individual cut off.

  • prash

    sir, i am a great fan of gktoday.. thank u very much for ur efforts to make information transparent, free and authentic..
    i had a doubt regarding cut off.. 168-170 is a combined cut-off of paper I and II or GS alone..
    it cant b so less for combined or so much for GS alone.. ppl , including me, think that it might go somewhere between 200-210..
    plz clarify the same..
    thank u sir..

  • ravi

    for qn case of cnstinal amendmt bill both houses have equal authority

  • Sai Akhilesh

    Q.No. 64

    Single window policy is introduced prior to this policy. It is not anew initiative.

  • Avishek

    For Q13 – BT Brinjal one ..statement 1 is incorrect as the gene used is not that of soil fungus but of soil bacteria :) ….as there is no option containing 2 3 4 ….so ans has to be 3 and 4 only.

  • ravikvarma

    score ranging from 215 to 230…according to gktoday is 217…is it in a comfortable margin?

  • Avishek

    For Q71 – Seabuckthorn — its also used as biodiesel..though its use as of now is limited, but then it has great potential. Searching in google for Seabuckthorn as biodiesel……reveals many websites that says about it …so correct option should be D – all 1,2,3,4 . Seabuckthorn timber also has great value . Source : google :)

  • thiyam surjakumar singh

    im greatly delighted with your work sir
    thank you for your great work

  • Vikas

    Thank you Sir..most accurate

  • Kamal

    Thanks a ton for the keys.!!

    The cutoff 168-170 you are expecting is the combined marks of paper 1 & 2 right?

  • sukumaran

    in q 13 bt brinjal gene from bacterium

  • Tigin kalistus

    Is the ‘cutoff marks’as predicted here is for ‘Paper-1’ or combined? I presume it is for combined but then cannot fathom out the criteria adopted in arriving at such a low cuttoff, if it is so.

  • anwer

    the cutoff is for 1st paper only and for both paper combined.please clarify

  • Gayathri


    I would like to know if the cut off mentioned above(165-170) is the sum of both the papers. And also is there any separate cut off marks for each paper?

    Please do reply.

  • Johnny Prince

    Having doubt in the 86th Qn.. The Snow Leopard does exist naturally in the mountain ranges of Kashmir, Sikkim and Arunachal Pradesh.. Kindly correct me if I’m wrong.

  • mynk.ngm

    sirji this cut off is for GS1 and 2 combined right.. else im afraid only the paper setters and few others will make it..

  • saurabh

    In question 13, gene from soil bacterium Bacillus thuringiensis is used and not soil fungus. Option A seems to be incorrect.

  • viswanadhas

    Hi , is 170 an individual cutoff or combined ? If combined is there are min cut off on each paper. Plz advice. Thx

  • killer

    in gram sabha question they substituted ‘minor minerals ‘ with ‘any minerals’….itna specific …

  • amit13226

    As per ministry report,
    Coastal wetland area is smaller than inland.please confirm which data is to be followed.

  • saurabh

    In Q.57, NBFCs provide microfinance which promotes inclusive growth. Statement 1 seems to be correct too.

  • saurabh

    Q. 28, 1 & 3 both are correct. Since air is more dense close to the earh it can hold more heat than upper altitudes where air is thinner.

  • Amit kumar

    qn:-95….I think DPSP also contain

    art 44:-uniform civil code for the citizens
    then what should be the answer of qn. 95.

  • Avishek

    There r many articles which have written about possible effects on biodiversity of Bt brinjal…and the langauge of statement 4 – there is SOME concern that bt brinjal MAY have adverse—– ….so statement 4 cannot be rules out . About the report of expert committee, yes they have said it, but there r numerous other reports, most recently buy greenpeace which says about adverse effects on biodiversity. Statement 2 ..about TERMINATOR SEEDS not fully correct ..check this link please –

  • hemant

    can u plz tell me, wht would be the cutt of list for ias pre and csat

  • Jitendra Gupta

    Hi Sir,

    Thanks for your excellent support to the aspirants.

    One favor I would like to ask. In the view of this year’s pattern of GS Paper-I, It needs a very good understanding of the topics for the best guess. If you could provide section-wise quiz like dividing Modern History in periods, or dividing Geography of India in Physical Geo, Human Geo, Climatology & atmospheric variations etc., it will help us in concentrating on the very topic and a better assessment of the preparation.


  • Adnan

    thank you very much sir. please make pdf available within a single link instead of 10

  • Nanda

    Kudoos gktoday for answering all then questions with explanations . & waiting for the pdf to d/w ..

  • dharmesh

    how can someone read so many standard UPSC csat exam questions at one go directly from internet, it can only be worth yo read if there be a pdf version provided of question with answer to read them later nor from internet directly and can be print if required. providing so many questions to read from net is not yet worthy when exams are still offline and internet not have that much reach you must provide pdf version of questions with answers

  • sundaravathanan

    checking your key was like discussing question paper with a friend :) thanks a lot!!

  • Sidharth

    Will there be individual cur-off for each paper? If yes, what will be the cut-off for paper 1 and also for Paper 2

  • neeraj

    sir i think i will get 149 marks in aptitude but in gk i think it is not more than 35
    what should i do
    pls help me

  • Anurag

    Will GKtoday upload the solutions for CSAT too…… Please do it as your answers are the most authentic ones…..Anxiously waiting fr the CSAT solutions, do post soon ….and many many thanks for the informative solutions of GS Section. Thank You..

  • nishant

    Dear Admin
    I am very much thankful for giving such a beautiful insights to clear our confusion..As for me now I see that I get 60 marks in paper-1 and I think I will get 150 in 2nd paper.which makes it 210..Do I have chance and should I start preparing? Is it true that UPSC has separate cut-off for both papers..PLZ let me know if any …

  • Mukesh kumar ray

    Sir, my series is (c) prelims 2012 plz send me solved question..

  • viptip

    BT seads are terminator

  • samm

    hey bro
    i think u will be selected
    as ur total is approx 184
    and i knew a person who got same marks in previous year and got selected
    and this would be happen same in this year
    so start prepare for mains
    wish u all the best

  • shobhit777

    Thanks for the great job…..are sure of the answers you provided for Sufi, Lead Poisoning and RBI question. Most of the other keys are showing different answers. Pls Reply….

  • Hgiue_980

    Question 57: Could you please clarify why permitting NBFC to do banking is not an Inclusive Governance? Thanks

  • Hgiue_980

    Question 65: The option 2 states, withdrawal of money ONLY after the Appropriation Bill is passed. What about the VOTE ON ACCOUNT, which allows to withdraw even before the Appropriation Bill is passed? Please clarify. Thanks

  • Hgiue_980

    Question 95: Why Article 44 is not included in the answer? Thanks

  • dileep


    (Reg: Question No: 28)

    Could you please elaborate why you rejected 3rd statement? Many articles on internet have given that 3rd statement is also correct. Would be grateful if you could provide further support to your answer.

  • sandy123

    A piece of info….. this year more than 5.50 lacs candidates registered for CSP….dunno how many actually appeared….talked to UPSC today…..last year this was 4.7 lacs….so wats the take on cutoff ?

  • vats

    why is banking by nbfc not included in inclusive governance?isnt the recent recommendations by the Y.H Malegam committee, a reference in this regard, as the NBFC -MFI is thought to provide financial inclusion?

  • kesari.meena00


    PAPER-1 46
    PAPER-2 125


  • samm

    how can we find our marks in this paper
    can we send rti for it…..


    Sir,i would like to get prelis 2nd paper questions.Is there any seat conservation for s/c?

  • aman

    why pdf download is not available?
    pls provide

  • sushma Pandey

    sir, i am preparing for panchayat secretary ,which will
    be held within next week.Kindly send some very
    important & detailed article under our constitution for
    panchayat & Rural development.Kindly send and guide me
    soon .

    with regards,

  • rashi

    sir did u provide notes for entire gs pre and mains both if yes how can i get it i am preparing for upsc 2014 give me ur num so tht if any query i can talk to u

  • sk

    Its very helpful to go through specially for me where I can continue even in my work free time. Thanks a lot.