IIT JAM Previous Year Question Paper
Candidates who are going to appear in Joint Admission Test
they may get the IIT JAM Previous Year Question Paper with solution on this
page. Candidates can easily download question papers for Physics,
Chemistry, Maths etc in pdf form by clicking on links below. Applicants you can
easily find solved questions of old Model/Sample Paper of IIT JAM from here.
Aspirants If you are appearing for Joint Admission Test then
you need to solve the below provided questions to cross check their
preparation. Details regarding IIT
JAM Previous Year Question Paper are well tailored below by team of
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IIT JAM Previous Years Question Paper with Solution
Year
/ subject

2013

2014

2015

QP

QP

QP


Biological
Sciences (BL)


Biotechnology
(BT)


Chemistry
(CY)


Geology
(GG)


Mathematics
(MA)


Mathematical
Statistics (MS)


Physics
(PH)

Abbreviations:
 QP – Question Paper
 AK – Answer key
IIT JAM Question Paper with Solution
Ques. 1: Which of following statements are TRUE for
Ramachandran plot?
(A) It can be used to describe the backbone conformation of
any polypeptide residue
(B) It can be used to describe simple secondary structures
of proteins
(C) It is plotted with coordinates of Ï† and Ïˆ of a
polypeptide chain
(D) It is used to describe side chain conformation of the
amino acid residues in a polypeptide chain polymerase chain reaction
Answer: A, B, C
Ques. 2: In a large wild flower population, assume that no
new mutations occur and that no natural selection operates. What factor(s) will
affect frequency of a genotype in this population?
(A) Nonrandom mating
(B) Gene flow
(C) Outbreeding within the population
(D) Invasion of a new pathogen that kills a large number of
individuals in population
Answer: A, B, C, D
Ques. 3: Suppose is a normal subgroup of a group G. Which
one of following is true?
(A) If G is an infinite group then G/N is an infinite group
(B) If G is a nonabelian group then G/N is a nonabelian
group
(C) If G is a cyclic group then G/N is an abelian group
(D) If G is an abelian group then G/N is a cyclic group
Answer: C
Ques. 4: If a sequence {xn} is monotone and bounded, then
(A) There exists a subsequence of {xn} that diverges
(B) There may exist a subsequence of {xn} that is not
monotone
(C) All subsequences of {xn} converge to the same limit
(D) There exist at least two subsequences of {xn} which
converge to distinct limits
Answer: B
Ques. 5: A molecular
technique in which DNA sequences between two oligo nucleotide primers can be
amplified is known as
(A) Southern blotting
(B) Northern blotting
(C) Polymerase chain reaction
(D) DNA replication
Answer: C
Ques. 6: Let X be a Geom (0.4) random variable. Then P
(X=5X >= 2) = ________
Answer: 0.086 to 0.087
Ques. 7: An observer is located on a horizontal, circular
turntable which rotates about a vertical axis passing through its center, with
a uniform angular speed of 2 rad/sec. A mass of 10 grams is sliding without
friction on the turntable. At an instant when the mass is at a distance of 8 cm
from the axis, it is observed to move towards the center with a speed of 6
cm/sec. The net force on the mass, as seen by observer at that instant, is
(A) 0.0024 N
(B) 0.0032 N
(C) 0.004 N
(D) 0.006 N
Answer: C
Ques. 8: How many nucleotides are there in Ss RNA molecule
of picorna virus causing FMD?
(A) 1000
(B) 5000
(C) 8000
(D) 10000
Answer: C
Ques. 9: White light is incident normally on a glass slab.
Inside glass slab,
(A) Violet light travels faster than other colours
(B) Yellow light travels faster than other colours
(C) All colours travel with the same speed
(D) Red light travels faster than other colours
Answer: D
Ques. 10: If A and B have n elements in common, then number
of elements common to A x B and B x A is
(A) 0
(B) n
(C) 2n
(D) n2
Answer: 4
Ques. 11: Which amongst the following planets has highest
number of known satellites?
(A) Mars
(B) Uranus
(C) Venus
(D) Mercury
Answer: B
Ques. 12: The first row transition metal complexes having
tetrahedral geometry are highspin due to
(A) Î”t > P
(B) Î”t < P
(C) Î”t = P
(D) Î”t > Î”o
Answer: B
Ques. 13: Controls the way in which computer system
functions and provides a means by which users can interact with the computer.
(A) The operating system
(B) The motherboard
(C) The platform
(D) Application software
Answer: A
Ques. 14: A ____________ is approximately one billion bytes.
(A) Bit
(B) Kilobyte
(C) Gigabyte
(D) Megabyte
Answer: 3
Ques. 15: How many nucleotides are there in Ss RNA molecule
of picorna virus causing FMD?
(A) 1000
(B) 5000
(C) 8000
(D) 10000
Answer: C
Ques. 16: The pH of the solution obtained by mixing 100 ml
of a solution of pH = 3 with 400 ml of a solution of pH = 4 is
(A) 3 – log 2.8
(B) 7 – log 2.8
(C) 4 – log 2.8
(D) 5 – log 2.8
Answer: 3
Ques. 17: The power radiated by sun is 3.8 X 1026 and its
radius is 7 X 105 km. The magnitude of the Poynting vector (in W/cm2 ) at the
surface of the sun is ___________.
Answer: 6165 to 6180
Ques. 18: At room temperature, the speed of sound in air is
340 m/sec. An organ pipe with both ends open has a length L= 29 cm. An extra
hole is created at the position L/2. The lowest frequency of sound produced is
(A) 293 Hz
(B) 586 Hz
(C) 1172 Hz
(D) 2344 Hz
Answer: C
Ques. 19: In binding of oxygen to hemoglobin, a plot of the
fractional saturation of hemoglobin versus partial pressure of oxygen can best
be described as
(A) Hyperbolic
(B) sigmoidal
(C) Linear with a negative slope
(D) Linear with a positive slope
Answer: B
Ques. 20: Which of following is incorrect?
If a ≡ b (mod m) and x is an integer, then
(A) (a ÷ x) ≡ (b ÷ x) (mod m)
(B) (a + x) ≡ (b + x) (mod m)
(C) (a  x) ≡ (b  x) (mod m)
(D) ax ≡ bx (mod m)
Answer: A
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