Download CSIR JRF/NET December 2011 Exam Question Paper and Answer Key

December 19th, 2011 by Naveen Thakur Leave a reply »

Hello people, we just uploaded the December 2011 exam Question paper of CSIR JRF/NET. :D

Subject: Life Science

You can download it from here : from help biotech

Almost every Set Is similar, we got answer key for SET-B, In SET -A,C only order of question is different but the questions are almost same so you can refer This SET too.

Here is the answer Key for Set-B of CSIR JRF/NET December exam 2011:

  1. 3
  2. 3
  3. 2
  4. 1
  5. 4
  6. 3
  7. 1
  8. 1
  9. 4
  10. 3
  11. 1
  12. 1
  13. 1
  14. -
  15. 2
  16. -
  17. 1
  18. 2
  19. 2
  20. 1
  21. 3
  22. 2
  23. 2
  24. 1
  25. 4
  26. 2
  27. 3
  28. -
  29. -
  30. 4
  31. 3
  32. 2
  33. 4
  34. 1
  35. 2
  36. -
  37. 3
  38. 2
  39. 1
  40. 4
  41. 2
  42. 4
  43. 1
  44. -
  45. 1
  46. 1
  47. 2
  48. -
  49. 3
  50. 3
  51. 4
  52. 1
  53. -
  54. 2
  55. 2
  56. -
  57. 1
  58. 4
  59. 4
  60. 2
  61. 2
  62. 3
  63. -
  64. -
  65. -
  66. 3
  67. 3
  68. -
  69. -
  70. 1
  71. 4
  72. -
  73. 2
  74. 3
  75. 1
  76. -
  77. 3
  78. 1
  79. -
  80. 4
  81. 2
  82. 3
  83. 3
  84. 1
  85. 1
  86. -
  87. 3
  88. 2
  89. -
  90. -
  91. 4
  92. 4
  93. -
  94. -
  95. -
  96. 4
  97. 2
  98. 4
  99. 2
  100. 3
  101. 1
  102. 2
  103. 2
  104. -
  105. -
  106. 3
  107. 2
  108. 4
  109. 1
  110. 3
  111. 3
  112. -
  113. -
  114. 3
  115. 4
  116. -
  117. 3
  118. 1
  119. 3
  120. 3
  121. 2
  122. -
  123. 2
  124. -
  125. -
  126. 2
  127. 2
  128. 4
  129. 2
  130. 4
  131. 1
  132. 3
  133. -
  134. 4
  135. -
  136. 3
  137. 2
  138. 3
  139. 2
  140. 4
  141. 4
  142. 3
  143. 3
  144. 1
  145. 2
download question paper and answers of SET B from here http://www.scribd.com/doc/76235801/Download-CSIR-NET-JRF-Dec-2011-Answer-Key
Answers for SET-A Submitted by Biswajoy
1-1, 2-2, 5-4, 6-4, 7-3, 8-3, 9-3, 11-3, 13-1, 15-4, 16-1, 17-3, 18-1, 19-2, 20-2, 21-4, 22-2, 23-2, 24.3, 25.4, 26.2, 27.3, 28.3, 31.2, 34.1, 40.4, 42.2, 43.4, 44.2, 46.4, 48.2, 49.3, 50.3, 51.4,  52.2, 54.2, 57.4, ,58.4, 59.4, 60.1, 61.3, 67.1, 69.2, 72.4, 75.3, 77.2,79.4, 80.4, 81.2, 82.2, 84.1, 97.4, 105.3, 111.2, 114.1, 115.2, 117.3, 125.1, 127.2, 134.3, 135.3, 143.1, 145.4
Subject: Chemical Science Set-B
Correct ans. Chemical sciences Set B:
1-3, 4-2, 9-3, 14-2, 15-1, 17-1, 18-3, 20-2, 21-2, 22-2, 23-3, 25-1, 26-2, 27-1, 28-3, 29-4, 30-3, 32-3, 33-3, 34-3, 35-1, 36-3, 38-1, 48-2, 56-4, 58-1, 61-1, 63-4, 70-4, 73-4, 74-1, 75-1, 78-3, 80-4, 82-1, 83-2, 84-4, 85-2, 88-4, 89-3, 90-1, 91-1, 92-4, 93-1, 94-2, 95-1, 101-1, 125-3,133-3, 135-3, 138-2, 141-4.
Note: We tried our best to get the correct answers, but still few answers might be wrong. Help us Find our mistakes :)
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131 comments

  1. ss12 says:

    i could not find for which subject this key is valid?

  2. manya says:

    i dnt hv set b….bt i hv key 4only dat 1/

  3. Prakriti Khajuria says:

    plzzz..upload answer key for other sets too

  4. sanjay says:

    bhai most of answers are incorrect…….

  5. Imran Mohd. says:

    There are few wrong answers also like question 138, 140, 141, 61…. plz check them

  6. bhavya says:

    lot of mistaken in key-answers….

  7. mukesh says:

    i am giving you answer of some questions

    7-1
    5-2
    73-2
    100-3
    111-3

  8. Niral says:

    please upload the naswer key of physical sciences…..

  9. rockingscientist says:

    please upload et b question paper also.

  10. rockingscientist says:

    please upload set b question paper also. thanks.

  11. I will Upload All sets as soon as posible.
    yes few answers posted of set B are inccorect, but i suggest you guys help us in making them perfect :)

  12. glory says:

    hello guys! check out this site http://vresults.com/ for the complete listing of csir result ( answer keys of dec 2011 exam)

  13. parikha says:

    please upload answer key of life sciences,set c

  14. plz upload the answer key of life science of booklet code A

  15. biswajoy says:

    if u have set A, dn plz publish d answr keys to dat asap,

  16. biswajoy says:

    set A answers
    1-4,2-2,5-4,6-4,7-3,8-3,9-3,11-3,13-1,15-4,16-1,17-3,18-1,19-2,20-2
    21-4,22-2,23-2,24.3,25.4,26.2,27.3,28.3,31.2,34.1,42.2,43.4,44.4,46.4,48.1,49.3,50.3,52.2,57.4,59.4,60.1,61.2,67.1,69.2

    i’l find sm mr and send

  17. biswajoy says:

    set A
    72.4,75.3,77.2,80.4,81.2,82.2,84.1,97.4,105.3,111.2,114.1,115.2,117.3,125.1,127.2,134.1,135.4,143.1,145.4

    plz cros chek ,i hv chckd mst f dm n postd

  18. Ankit says:

    Bhai in set B.
    Q. 75. A i.e. ATP, PEP, 3-enolpyruvyl shikkimic acid-5P, p-hydroxyphenyl pyruvic acid

    Q. 52. A i.e renin, angiotensinogen, angiotensin 1, angiotensin ii

    Q. 42. D. i.e. PSSM

    Q. 7. A 135

  19. V Rajesh says:

    Plza up load the B set question paper

  20. suresh says:

    the given key is useful only who r hving set B qn paper..means 33%perfomence

  21. heena says:

    i agree with u suresh…….can somebody upload the ans key for set c life sciences plzzzzzzzzzz….

  22. Savita says:

    Set B – Q 120-3 and Q 136-3, Q 84-1, Q 52-4, Q 61-2 are the right answers

  23. heena says:

    okkkzzzzz……

  24. jyotsana says:

    plzzzz upload answers of set c also or upload set b question paper……

  25. sushil soni says:

    set B

    for Q. 52. answer is D
    i.e. renin,angiotensinogen, angiotensin I, angiotensin II

  26. deepak says:

    plz provide answer key for set c also

  27. nikhil says:

    most of the answers are wrong given by biswajoy……..

  28. heena says:

    if anybody found the ans of set c plz mail me on my id heena.paonta@gmail.com ……plzzzzzz

  29. biswajoy says:

    guys if u hv queries 4 set A,plz mention it,so dat i may clarify again

  30. biswajoy says:

    set A, 1.1

  31. biswajoy says:

    few mr alterations and new ans in set A..79.4, 134.3,135.3

  32. Dinesh Patidar says:

    Hey guys i m posting very soon 100% sure answers only…for set A.
    if anyone wants set “A” PAPER than can follow this link:

    http://helpbiotech.blogspot.com/2011/12/csir-jrfnet-december-2011-exam-paper.html

  33. Dinesh Patidar says:

    Set~A life science
    2~2; 3~4; 4~4; 7~3; 8~3;10~1;
    11~4;12~4; 13~2; 14~3; 15~2; 17~3;18~4;19~2; 20~1,
    …………………………………………………………………….
    21~4; 22~2; 23~2; 27~3; 29~4; 30~2;
    31~2; 32~2; 33~3; 34~1; 35~3; 36~1; 39~1; 40~4; 42~2; 44~2; 45~4; 46~4;48~1; 49~3;
    50~1; 52~2; 53~1; 56~1; 58~4; 59~1;
    60~1;62~2; 63~2; 65~2; 66~2; 67~1; 69~2;
    …………………………………………………………………….
    79~2;
    111~3; ANY DOUBT..Mein Hu Na….
    117~3; My Mobile No. 09360299314
    123~2;
    127~2;
    134~3;
    135~4;
    ///////////dineshpatidar_pharma85@yahoo.com///////////

  34. PRAKASH says:

    LS Set A. Q 25- A sphingomyelin
    LS Set A. Q 40- A 4 Pterin
    LS Set A. Q 44- A 2 oxygen and nitrogen
    LS Set A. Q 48- A 2
    LS Set A. Q 51- A 4
    LS Set A. Q 54- A 2 Frogs
    LS Set A. Q 58- A 4 Ramsar convention
    LS Set A. Q 61- A 3 sexual selection

  35. heena says:

    yahan pr sab set -B k ans bata rahe hai…..hai koi jise set -C k ans pata ho………ya sab sirf copy paste kr rahe hai set- B k ans…:-) :-) :-) :-)

  36. suresh says:

    i want key answers for earth science paper can any one upload it

  37. Parwez Ahmad says:

    I m sure about set A answer

    7-3, 12-4,15-4, 18-4,20-2, 21-4,22-2, 23-2,25-4,26-2,27-3,29-4,31-2,34-1,37-2,39-1,40-4,44-2,46-4,48-2,49-3,50-1,55-4,59-1,60-1,61-3,62-2,63-2,66-2,75-3,84-1, 97-4,

  38. nutan says:

    there is sm variet

  39. nutan says:

    there is sm variety in key’s, but thnx dosto

  40. AKBAR says:

    plz upload physical science key paper of CSIR/NET dated 18/12/2011….along with a question paper…
    r else suggest me wher i can find it

  41. neems says:

    In set A….
    3rd question, about mathematical manipulation isnt the step
    x= 5 being written as X2- 25= x – 5 wrong
    so the answer shud be
    1, step (i) to (ii)
    but in every answer key its answer (4) iv to (V)

    please correct me if i am wrong

  42. L0rd CrusAd3r says:

    You are Excelent SIR :P

    Common Post this SIR :D

    You Pwned me SIR :D

  43. mukund kumar sinha says:

    there many mistake may be i will wrong bt cross check following question.. a/c ther answer should be different..
    1)4
    21)4
    23)4
    51)1
    88)1
    102)1
    109)4
    126)3
    127)1
    138)2
    140)2
    these r my can u correct me with explanation.. i will be thankfull of you…..

  44. jaji says:

    please give answer key for physical science

  45. jaji says:

    please give me answer key for physical science

  46. STV111 says:

    q 112′s answer (code A) can not be 4, it’s 2.

  47. hi this is dhana set b chemical sciences ansers 21-4,22-2,23-3,28-4,29-4,32-3,35-4,36-3,38-1,48-4,53-1,61-3,62-4,66-2,70-4,75-1,77-4,78-3,81-4,83-2,84-4,88-4,90-3,92-4,93-1,94-3,95-1,101-4,114-3,125-4,135-1,140-4,143-1,145-4 please give me ansers

    • dhana are all these answers correct? coz i will be posting them in the website.

    • Hemant Chavan says:

      Correct ans. Chemical sciences Set B:
      1-3, 4-2, 9-3, 14-2, 15-1, 17-1, 18-3, 20-2, 21-2, 22-2, 23-3, 25-1, 26-2, 27-1, 28-3, 29-4, 30-3, 32-3, 33-3, 34-3, 35-1, 36-3, 38-1, 48-2, 56-4, 58-1, 61-1, 63-4, 70-4, 73-4, 74-1, 75-1, 78-3, 80-4, 82-1, 83-2, 84-4, 85-2, 88-4, 89-3, 90-1, 91-1, 92-4, 93-1, 94-2, 95-1, 101-1, 125-3,133-3, 135-3, 138-2, 141-4.

  48. chemical science paper very easy so ansers provide in web site

  49. karnam rajendra says:

    sir/madam
    i need key mathematics
    plz send me if u have

  50. rekha singh says:

    plz give me answer key physical science set-b

  51. sekhar says:

    will you upload chemical sciences key

  52. neems says:

    hi i am sorry that my query wasnt clear enough for you to understand

    Lemme try again

    Question 3 Set A
    See the following mathematical manipulations
    (i) Let x= 5
    (ii) then x2 – 25 = x-5
    (iii) (x-5)(x=5) = x-5
    (iv)x+5= 1 (cancelling (x-5) from both side
    (v) 10 = 1 (putting x= 5)

    which of the above is wrong step
    1) (i) to (ii)
    2) (ii) to (iii)
    3) iii to iv
    4) (iv) to (v)
    shouldnt the right answer be
    1 (i) to (ii)

    rather than 4 (iv) to (v)
    because you can never write x= 5
    as x2- 25 = x-5

  53. Please upload the answer key for earth sciences

  54. lotu says:

    is it correct answers ,,it is not matching with jodhpur answers

  55. dinesh says:

    (i) x=5
    (ii) x2-25=x-5
    (iii) (x-5)(x+5)=(x-5)
    (iv)

    ans- (ii) to (iii) is it right?

    can answer keys of maths science be made available?

  56. heena says:

    i m agree with u neeems…..

  57. surendra says:

    Please upload the answer key for chemical sciences booklet A

  58. Amit Gautam says:

    Plz upload answer keys of chemical science dec 2011 paper

  59. adit says:

    Pls upload answer key for mathematical science. If any body have link for the same on other site pls provide it.

  60. rajesh says:

    earth sc solve paper set A
    Part B. Q-24-2, Q-25-2, Q-29-4, Q-32-1, Q-36-3, Q-39-4, Q-41- 4, Q-43-2, Q-44-1, Q-47-2, Q-52-1Q-1531, Q-57,4, Q-59,1, Q-60-4, Q-61-4, Q-66-3, Q-68-3, Q-69-2, Q-70,2

  61. SET A earth sc. part A q-4-4, q- 5-4, Q- 6-3, Q,9-3, Q-12-4, Q-15-1, Q-17-2, Q-20-4

  62. shubhs says:

    i agree wid u neems…even i hv checked first option…

  63. rakesh says:

    anyone know earth sci set A answer key

  64. gagan says:

    can you please provide question paper for set B of chemical sciences

  65. jana says:

    the mathematical manipulation is quite confusable.
    when x=5,then it should be X2-25=0. how it can be X2-25=x-5.
    otherwise ‘x’ value should not be given, if the aim is to find ‘x’ value from the given derivation x2-25=x-5. if you do so, the derivation will be

    x2-25=x-5
    (x-5)(x+5)=x-5
    x+5=1 (by cancelling x-5 on both the sides)
    x=1-5
    x=-4
    the given value of ‘x’ is not matching the value obtained from solving the derivation. the logic behind this question is not clear enough

  66. jana says:

    for Q12 in part-A according to me answer 1 can be correct. because a single cube itself can submerge 20% without any object over it. when we place similar cube with capacity to submerge 20%,already existing cube need additionally 80% submerging capacity to submerge completely.it can be achieved if 4cubes placed over existing cube.

  67. jana says:

    for question no 84 in B pattern,the answer can be [1]0.375.
    because,
    no of children for the given parent is=3
    possibility of male/female child is1:1
    s=[ MMM, MMF, MFM, FMM, FFM, FMF, MFF, FFF ]
    n(s)=8
    n(MMM)=1
    n(FFF)=1
    n(MMF)=3
    n(FFM)=3

    possibility of two daughters and one son=n(FFM)/n(s)
    =3/8
    =0.375

  68. jana says:

    Q92 in pattern

    5′TACCGTGGACTTGA3′ [WILD TYPE]
    5′TACCGTG ACTTGAG3′ (MUTANT TYPE)
    DUE TO DELETION OF ‘G’ FROM THE WILD TYPE , READING FRAME IS SHIFTED.
    HERE TRANSITION/ TRANSVERSION IS NOT POSSIBLE SINCE IT IS DELETION , NOT SUBSTITUTION

    HENCE IT CAN BE ‘FRAME SHIFT MUTATION’

  69. set – A
    PART- B & C
    22-1,23-3,25-1,26-2,27-3,28-3,30-1,31-4,32-4,35-4,36-2,37-4,38-4,39-3,45-3,53-1,56-4,58-1,59-4,60-2
    63-2,3,66-1,3,4,68-1,3,4,70-1,3,4, 72-1,2,73-1,3,74-4,75-3,77-1,3,78-1,3,4,79-1,81-1,2,4,84-1,4,95-1,2,3,4,100-1,2,3,102-1,3

  70. satish kumar says:

    sir,
    you have earth science answer key of jrf dec.2011

  71. Depanjan says:

    Give me chemical science set c december 2011

  72. rami says:

    i want answer key for NET maths dec 2011

  73. rajesh says:

    i am getting nearly 77 marks in csir net mathematics 2011 dec exam as i safe for net….help me

  74. rajesh says:

    dec 2011 maths key
    23-3,28-3,30-2,31-4,35-4,45-4,46-2,27-3,53-2
    61-1,65-1,2,70-2,3,71-2,3,73-1,3,74-1,2,4,76,2,77-1,3,85-1,2,3,4,99-1,2

  75. rajesh says:

    in set a maths key 61 question answer is 1.bcz if kth partial sum is 0 then the infinite sum is 0.Q-70 answer is 2,3 bcz one ofthe eigen value is 0 and remaining are positive so it is semi positive definite and the eigen values are different so it is diagonalize.

  76. rajesh says:

    in Q-71 rank is 2 and 0 is an eigen value of A answer is 2,3

  77. rajesh says:

    any one discus withe me we find correct answers….

  78. Geet Raj says:

    well for set B, life Sc, q. 5 should be option 4, because…
    x +5=1
    so, X= 1-5
    x=-4. but as given , x should be =5, so here -4 is nt equal to 5 . In addition there is no right or wrong in the option 1 as here only the value of x is given.

    again in the q.12, u cant directly say tht it wil b 4 because it is nt mentioned anywhr tht the cubes r of equal size or weight…so i think it will be infinity i.e. the option 4.

  79. s roy says:

    pls send me csir net earth science 2011 december keys of set c to yoratnamus@gmail.com

  80. Saif says:

    Plz provide physics answer key also …

  81. VIMAL CG says:

    MATHEMATICAL SCIENCE SET B
    PARTA
    2-3
    3-2
    4-4
    5-4
    6-4
    7-1
    9-3
    10-3
    15-2
    17-1
    20-1
    PART B
    22-4
    32-2
    38-4
    40-1
    46-3
    49-4
    51-4
    54-3
    PART C
    64-2,3
    65-2,3,4
    66-1,3,4
    72-3
    73-1,4
    83-ALL
    107-1,4

  82. satyanarayana says:

    please send ans key of csir mathematical science dec2011

  83. Khimya says:

    Please provide me answer key to Mathematical Science of CSIR NET held in dec 2011 of booklet code C

  84. dinesh says:

    rajesh send math ans key for booklet set-c pl

  85. shaini robin says:

    the 1,2 and 3 steps have no mistakes. but the 4th step is wrong since division with zero is not possible ( here x=5 means x-5=0 and cancelling from both sides means dividing with x-5). hence the steps 4 and 5 is wrong. thus the answer is 4th option.

  86. shaini robin says:

    dec 2011 net mathematical sciences
    setC
    partA

    4-3
    8-4
    10-3
    17-2
    19-1

    part B

    21-3
    22-3
    23-1
    25-4
    29-1
    30-4
    31-1
    32-4
    35-4
    37-2
    40-2
    42-1

  87. rahul says:

    plz send me maths dec 2011 answers

  88. bhushan says:

    please send me csir study material for mathematical science

  89. PREETI says:

    please give me csir 18 dec 2011 set A answer sheet

  90. PREETI says:

    please send me answer sheet of life sciences net exam 2011 set A

  91. PREETI says:

    send me answer sheet of csir net exam2011 june set B and 2011 december set A life sciences

  92. rohan gogoi says:

    you answer key csir net LS 2011 is not correct please check it and correct it

  93. depanjan says:

    i want answer keys for chemical sciences (set c)
    my email id is pallavi.undegaonkar@gmail.com
    thank u vry mch.

  94. kanika bisht says:

    please send ans of set c life science

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