Monday, April 11, 2011

IIT 2011 answers

Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose.
INSTRUCTIONS
A.  General:
 1. The question paper CODE is printed on the right hand top corner of this sheet and on the back page (page
No. 36) of this booklet.
 2. No additional sheets will be provided for rough work.
 3. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers and electronic gadgets
are NOT allowed.
 4. Write your name and registration number in the space provided on the back page of this booklet.
 5. The answer sheet, a machine-gradable Optical Response Sheet (ORS), is provided separately.
 6. DO NOT TAMPER WITH/MULTILATE THE ORS OR THE BOOKLET.
7. Do not break the seals of the question-paper booklet before being instructed to do so by the invigilators.
 8. This question Paper contains 36 pages having 69 questions.
 9. On breaking the seals, please check that all the questions are legible.
B. Filling the Right Part of the ORS:
 10. The ORS also has a CODE printed on its Left and Right parts.
 11. Make sure the CODE on the ORS is the same as that on this booklet. If the codes do not match ask for a
change of the booklet.
 12. Write your Name, Registration No. and the name of centre and sign with pen in the boxes provided. Do not
write them anywhere else. Darken the appropriate bubble UNDER each digit of your Registration No.
with a good quality HB pencil.
C. Question paper format and Marking scheme:
 13. The question paper consists of 3 parts (Chemistry, Physics and Mathematics). Each part consists of four
sections.
 14. In Section I (Total Marks: 21), for each question you will be awarded 3 marks if you darken ONLY the
bubble corresponding to the correct answer and zero marks if no bubble is darkened. In all other cases,
minus one (–1) mark will be awarded.
 15. In Section II (Total Marks: 16), for each question you will be awarded  4 marks if you darken ALL the
bubble(s) corresponding to the correct answer(s) ONLY and zero marks other wise. There are no negative
marks in this section.
 16. In Section III (Total Marks: 15), for each question you will be awarded 3 marks if you darken ONLY the
bubble corresponding to the correct answer and zero marks if no bubble is darkened. In all other cases,
minus one (–1) mark will be awarded.
 17. In Section IV (Total Marks: 28), for each question you will be awarded 4 marks if you darken ONLY the

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