SRMEEE Answer Key and Solutions We will soon release the answer key for SRMEE 2011 SRMEEE 2010 Answer Key VERSION - A PHYSICS, CHEMISTRY, M Part 1.
We will soon release the answer key for SRMEE 2011
SRMEEE 2010 Answer Key
VERSION – A
PHYSICS, CHEMISTRY, M Part 1 – Physics
1. A body starts from rest and moves with a uniform
acceleration of 6 ms-2……
Ans : 21 m
Dimensions are not same for the pair Ans : Power and strain
If L, C, R denote the inductance, capacitance and resistance respectively, …
Ans : M°L°T3I°
Pick out the stranger in the group Ans : Magnetic moment
A scooter is going round a circular road of radius 200 m at a speed of 20 ms-1 ….
Ans : 0.1 rad s-1
In some region, the gravitational field is zero… Ans : Must be constant
Two spheres of mass m and M are situated in air and the gravitational force between them .
Ans : f
8. The ratio of the lengths of two wires a and b of
same material is 1 : 3 ..
Ans : 1:27
9. Bernoulli’s theorem is based on the principle of
conservation of
Ans : Energy
10. The ring of radius 1 m and mass 15 kg is rotating
about its diameter ..
Ans : 2343.7 J rHEMATICS & BIOLOGY]
11. The total energy of a body executing simple
harmonic motion is E..
Ans : 8E 9
12. Pick out the stranger
Ans : newton-meter
Note : If considered as troque, will be a vector
13. A tunnel has been dug through the centre of the
earth and a ball is ….
Ans : 42 minute
14. Entropy of the universe tends to be
Ans : Maximum
15. Heating of water at atmospheric pressure is
considered under the .
Ans : Isobaric
16. A Carnot engine working between 200 K and
500 K has a work output of 900 J…
Ans : 1500 J
17. A heavenly body is receding from Earth such that
the fractional change in .
Ans : 2c
Note : No matter can move even at a speed of
light
18. The penetration of light into the region of
geometrical shadow is called
Ans : Diffraction
19. A man is 160 cm tall and his eyes are 15 cm
below the top of his head….
Ans : 80 cm
o
20. Light of wavelength 5000 A in air has
wavelength in glass …
Ans:3333 A
21. A charge Q is placed at the centre of the line
joining two equal charges q…..
Ans : ^ 4
22. A capacitor is kept connected to a battery and a
dielectric slab is inserted between ..
Ans : Work is done at the cost of the battery
23. When two identical capacitors are in series, they
have 4 |mF capacitance …
30. When cathode rays enter into a uniform magnetic
field perpendicular to the direction of…..
Ans : Circular
31. The pulleys and strings shown in figure are
smooth and of negligible mass….
Ans : 45°
32. In the Boolean expression, which gate be
expressed as Y = A • B ?
Ans : NAND gate
33. The current gain of the transistor in the common
base mode is 0.9….
Ans : 9
Ans : 8 |mF 34. If the base and the collector of a transistor are in
forward bias, then ..
24. A cell of emf 4 V and internal resistance 0.2 W is
connected with the resistance of …. Ans : All of these
Ans : 3.6 V
1
25. At certain place, horizontal component is -=
V3
times the vertical component ..
Ans : 60°
26. In a tangent galvanometer, a current of 0.2 A
produces a deflection of 30°.
Ans : 0.6 A
27. If we consider electrons and protons of the same
wavelength, they will have the same .
Ans : Momentum
28. The momentum of a proton is
2.5 x 10-29 kg ms-1.
Ans : 1.14 x 1013 Hz
Note : Must be photons and not protons
29. On the bombardment of neutron with boron, an a particle is emitted..
Ans : 3Li7
35. The refractive index of the material of a prism is
2. What is the maximum possible .
Ans : 60°
Part 2 – Chemistry
36. Which one is diamagnetic molecule / ion ?
Ans : o2-
37. Which of the following is called a polyamide ?
Ans : nylon
38. How many moles of magnesium phosphate
Mg3(PO4)2 will contain 0.25 mole of…..
Ans : 3.125 x 10-2
39. A pressure cooker reduces cooking time for food
because .
Ans : boiling point of water involved in cooking in increased
40. Consider the reaction CaCO3(g) CaO(s) +
CO2(g) in closed container at ….
Ans : remains unaffected
41. 25 ml of a solution of barium hydroxide on
titration with a 0.1 molar solution ..
Ans : 0.07
42. Which of the following is not a homogeneous
mixture ?
Ans : milk
43. An ionic compound has a unit cell constituting A
ions at the corners of a cube…..
Ans : AB3
44. Benzene and toluene form nearly ideal solutions.
At 20°C, the vapour pressure .
Ans : 50
45. The number of moles of ions given on complete
ionization of 1 mole ….
Ans : 4
46. During the extraction of copper, the impurity
(FeS) is removed as slag ….
Ans : FeSiO3
47. All monosaccharides _______________ Tollens’
reagent.
Ans : reduce
48. Calculate AH (in joules) for C(graphite) ® C(diamond)
from the following data:
Ans : 1900
49. In the following reaction ; A and B respectively
are
Ans : C2H4,alc.KOH/A
What is X in the following nuclear reaction ? Ans : g ray (gamma ray)
The number of chiral centers in (±) glucose is Ans : 4
Action of NaNO2 with dilute HCl on ArNH yields Ans : cyclohexanol
What are the units of equivalent conductivity of a solution ?
Ans : mho.cm2.equiv-1
54. The Incorrect statement among the following is
Ans : The second ionization potential of Mg is greater than the second ionization potential of
Na.
55. When a quantity of electricity is passed through
CuSO4 solution, 0.16 g of copper gets ….
Ans : 56 cm3
56. A distinctive and characteristic functional group
of fats is .
Ans : an ester group
57. The highest magnetic moment is shown by the
transition metal .
Ans : 3d5
58. Assertion A : Sb2S3 is not soluble in yellow
ammonium sulphide
Reason R : The common ion effect due to S2-ions reduces the stability of Sb2S3
Ans : both A and R are false statements
Potassium soaps are Ans : soft soaps
The IUPAC name of CH3 – CH2 – COO – COCH3 is
Ans : ethanoic propanoic anhydride
C6H6 + CCl4 A°3 > X H2° > Z Ans : C6H5 – CO-C6H5
Decrease in ionic size in a period is observed in Ans : Both (a) and (b)
63. Which of the following is not a chromophore ? 74. If the mean of a set of observations xi, X2, …
Ans : -NH2
Which is used as food preservative ? Ans : Sodium benzoate
Which one of the following is an analgesic ? Ans : Aspirin
AS° will be highest for
Ans : CaCO3(s) ® CaO(s) + CO2(g)
67. Philosopher’s wool when heated with BaO at
1100°C gives a compound.
Ans : BaZnO2
68. Match the lists I and II and pick the correct
matching from the codes given below :
Ans : A-2, B-5, C-1, D-4, E-3
Which statement about enzymes is not correct Ans : enzymes can catalyse any reaction
The molecular formula of dithionic acid is
Ans : H2S2O6
Part 3 - Maths
Ans : 42
75. If ex = y + ^1 + y2 then the value of y is
Ans : None of these
9
76. If the curves y2 = 6x, 9x2 + by2 = 16 cut each
other at right angles …
Ans :
■ ex (1 + sinx)
2
77. r o v . ~.. .-v dx is equal to •> 1 + cos x
Ans : ex tan — + C 2
/ 2
(2 + cosx )2
1
2
78. The value of j” 1 + 2cosx2 dx is
Ans :
79. The solution of the differential equation d2x
+ x = 0 ; x(0) = 1, x1(0) = 0
dt2
Ans : is a periodic function
80. If |a| = 2, |b| = 3, |c| = 4 and a + b + c = 0 then the value of b.c + c.a +a.b is equal to
71. The number of solutions of V4 – x +V x + 9 = 5
Ans : 2
Ans :
-29
2
72. The sum to n terms of the series ….
81. The lines
1
1
x – 2 y – 3 z – 4
- k
Ans :
2n
(n +1)
Ans : k = 0
1
Note : If the first term is read as then, the
13
2n
answer is -,———— r. Otherwise there is no correct
(n +1)
option.
73. Let f(x) = x2 and g(x) = 2x then the solution Ans : {0, 2}
82. The relation R : A ® B, where A = {1, 2, 3, 4, 5}
and B = {u, v, x, y, z} …
Ans : {(1, u), (2, v), (3, x), (4, z), (5, y)}
2z +1
83. If the imaginary part of ———– is -4, then the
iz +1
locus of the point representing z in the…..
Ans : a circle
84. If A, B, C are the angles of a triangle, then Ans : 0
85. If sine, cose, tane are in G.P then cos9e + cos6e + 3 cos5e -1 is equal to
Ans : 0
93. If co is a complex cube root of unity, then the
1 co2 co
matrix A = co2 co 1 is a
co 1 co2
Ans : singular matrix
„ 1 1 1 1 1 p .,
86. If 1 — +——— +——— +… =— , then ….
3 5 7 9 11 4
Ans : *
8
87. In a group of 8 girls, two girls are sisters. The
number of ways in which the girls can sit so …
Ans : None of these
88. The number of ways of dividing 15 men and 15
women into 15 couples, ..
Ans : 1240
94. If lim————- = -1, then the value of a is
x®a xx -aa
Ans : 1
95. The slopes of the normals to the parabola
y2 = 4ax intersecting at a point on the ..
Ans : A.P
96. The area of the figure bounded by y2 = 9x
Ans :
89. The equation A =
satisfied when .
x – a x – b x – c x – b x – c x – a x-c x-a x-b
= 0 is
19
3
97. The area of the plane figure bounded by lines y = Vx , x e [0, 1], y = x2 , x e [1, 2] …
Ans :
Ans : No correct option
3
Note : None of the printed options satisfy the given relation. The answer should be (a + b + c)
x=
90. An equation of a straight line passing through the
intersection of the straight lines…..
Ans : 23x + 23y = 11
91. The number of values of c such that the straight
line y = 4x + c touches the ….
Ans : 2
1
V2
92. An ellipse has OB as a semi-minor axis. F, F1
are its foci, and the angle FBF1 is a ..
Ans :
98. A solution of y = 2x f-^O + x2!^! is
Ans : y = 2-v/cx + c2
99. If the vectors AB = – 3i + 4k and
AC = 5i -2j + 4k are the sides of a triangle ABC.
Ans : VT8
100.An equation of the line passing through 3i -5j + 7k and perpendicular to the plane …
3
x – 3 y + 5 z – 7
Ans : ——- =——– = -
45
Note : “passing through 3i-5j + 7k” should be read as “passing through the point whose position vector is 3ji -5jj +7kj ”
101.If from each of the three boxes containing 3 white
and 1 black , 2 white and 2 black,…..
Ans : 13 32
If x and y are two sets, then x n (y u x)c equals Ans : f
If Z = , then Z14 equals
3 – 4i
Ans : -27i
104.Equation of the directrix of the parabola whose focus is (0, 0) …
Ans : x – y + 2 = 0
105. If a is real and the 4th term in the expansion of | ax +—1 is5 , then values of a and n are ..
Ans : 6, -
2
Note : Question should be corrected as “the values of n and a” are
Part 4 – Biology
71. With reference to the skeletal muscle
myofilaments
Ans : troponin is a constituent of thin filaments
72. The pituitary gland is
Ans : the anterior lobe receives efferent fibres form the supra-opticohypophyseal tract
73. Urine volume is increased with
Ans : the damage to the posterior pituitary
74. The hypothalamus
Ans : is responsible for temperature regulation
75. Human immunodeficiency virus – 1 (HIV -1)
Ans : contains env gene which encodes the core nucleocapsid polypeptides
76. Staphylococcus aureus :
Ans : phage type I and II are the commonest cause of boils
77. Antibiotic resistance in bacteria occurs by … Ans : phagocytosis
78. Following informations are true about ….
Ans : On global basis, it attracted many people as valuable food substance
79. IFN-g is secreted by Ans : Th 1 cells
80. For antigen presentation to CD4 + T lymphocytes:
Ans : specialized antigen presenting cells are required for the induction of the T cell immune response.
81. Hyperacute rejection is developed Ans : Pre induction of Anti-HLA antibodies
82. The following are true about mitochondrial DNA
Ans : the sperm does not contain mitochondrial DNA
83. The following informations are true about .
Ans : 5% of the genome has been conserved by evolution around 200 million years ago
84. The following are the examples of Recombinant
DNA product except
Ans : Hemocidin
85. The cell aggregation before it attaches the
surface can be reduced .
Ans : All the above
86. Biological database
Ans : explains the structure of biomolecules and their interactions
87. Which of the following information are true
except?
Ans : Longevity is much lesser than 40 years in under developed countries
88. Major Green house gases include the following
Ans : Water vapor, Carbon di oxide, Methan, Ozone
89. The following informations are true about the
environmental impact on poverty
Ans : All the above
90. The following informations are true about water
stress except
Ans : Canada and Brazil are facing high water stress
91. The cattle breed which yields around 5000 -
8000 litres of milk
Ans : Jersey
92. Stethoscope was invented by Ans : Rene Theophile
93. Area of the at most least square of the central square .
Ans : 0.0025 sqmm
94. The pacemaker used during open heart surgery
is
Ans : Transcutaneous pacing
95. According to the Lamarck theory of evolution,
Ans : Individuals inheriting the traits of their ancestors
96. Allopatric speciation is one in which
Ans : Geographically isolated sub-populations diverge
97. Name the Father of Taxonomy Ans : Carolus Linnaeus
98. The basic unit of classification is Ans : Species
99. Malvacea flower has________ sepals
Ans : 5
100.Which following plant is involved in starch preparation ?
Ans : Cassava 101.Xylem conducts
Ans : Water 102.Palisade parenchyma cells are present in
Ans : Leaf 103.Plant age is identified by
Ans : Annual rings 104.Apical meristem is found usually in
Ans : Shoot tips and root tips 105.The Father of Genetics is
Ans : Mendel 106.Chiasma formation takes place in
Ans : Pachytene
107.Which one of the following cannot cause mutation ?
Ans : Infrared ray 108.DNA is a double helical structure proposed by
Ans : Watson and Crick 109.The alternative name for genetic engineering is
Ans : r-DNA technology
110.The enzyme involved in RNA – directed DNA synthesis is
Ans : Reverse transcriptase
111 .Agrobacterium tumifaciens has the__ plasmid
Ans : Ti
112.Protoplasmic fusion is performed by
Ans : PEG 113.An example of C4 plant is
Ans : Sugarcane
114.The rate of growth of plants can be measured by a
Ans : Auxanometer 115.Which one of the following is Phytohormone ? Ans : Indole acetic acid
116.Hormone promoting maleness in flowering plants is
Ans : Gibberellin
117.Name the micro organisms involved in biofertilizer preparation.
Ans : Cyanobacteria 118.Absence of magnesium causes
Ans : Chlorosis 119.Name the committee approves GM crops
Ans : GEAC 120.Name the botanical name of Groundnut
Ans : Arachis hypogea
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