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Question 1 of 120
1. Question
Category: BiologyThe cells lining the blood vessels belong to the category of
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Question 2 of 120
2. Question
Category: BiologyConsider the following statements (A-D) about organic farming
A. Utilizes genetically modified crops like Bt cotton
B. Uses only naturally produced inputs like compost
C. Does not use pesticides and urea
D. Produces vegetables rich in vitamins and minerals
Which of the above statements are correct?CorrectIncorrect -
Question 3 of 120
3. Question
Category: BiologySelect the correct statement with respect to
diseases and immunisationCorrectIncorrect -
Question 4 of 120
4. Question
Category: BiologySelaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
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Question 5 of 120
5. Question
Category: Biology5. Which one of the following animals may occupy
more than one trophic levels in the same ecosystem
at the same time?CorrectIncorrect -
Question 6 of 120
6. Question
Category: BiologyWhich one of the following is essential for photolysis of water?
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Question 7 of 120
7. Question
Category: BiologyWhat happens during fertilisation in humans after many sperms reach close to the ovum?
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Question 8 of 120
8. Question
Category: BiologyBulk of carbon dioxide (CO2) released from body tissues into the blood is present as
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Question 9 of 120
9. Question
Category: BiologyIn mitochondria, protons accumulate in the
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Question 10 of 120
10. Question
Category: BiologyThe unequivocal proof of DNA as the genetic material came from the studies on a
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Question 11 of 120
11. Question
Category: BiologyWhorled simple leaves with reticulate venation are present in
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Question 12 of 120
12. Question
Category: BiologyGiven below is the ECG of a normal human. Which one of its components is correctly interpreted below?
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Question 13 of 120
13. Question
Category: BiologyThree of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.
Sort elements
- Appendicular skeleton
- Ear ossicles
- Axial skeleton
- Pelvic girdle
-
Humerus and ulna
-
Malleus and stapes
-
Sternum and Ribs
-
Clavicle and Glenoid cavity
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Question 14 of 120
14. Question
Category: BiologyWhat is common between vegetative reproduction and Apomixis?
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Question 15 of 120
15. Question
Category: BiologyRead the following statement having two blanks
(A and B)
“A drug used for (A) patients is obtained
from a species of the organism (B) .”
The one correct option for the two blanks isCorrectIncorrect -
Question 16 of 120
16. Question
Category: BiologyWhich one of the following conditions of the zygotic cell would lead to the birth of a normal human female child?
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Question 17 of 120
17. Question
Category: BiologyThe 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone.
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Question 18 of 120
18. Question
Category: BiologyWhich one of the following pairs is wrongly matched while the remaining three are correct?
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Question 19 of 120
19. Question
Category: BiologyFunction of companion cells is
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Question 20 of 120
20. Question
Category: BiologyWhich one of the following is not considered as a part of the endomembrane system?
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Question 21 of 120
21. Question
Category: BiologyIn Kranz anatomy, the bundle sheath cells have
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Question 22 of 120
22. Question
Category: BiologySweet potato is homologous to
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Question 23 of 120
23. Question
Category: BiologyUreters act as urinogenital ducts in
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Question 24 of 120
24. Question
Category: BiologyWhich one of the following is a possibility for most of us in regard to breathing, by making a conscious effort ?
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Question 25 of 120
25. Question
Category: BiologyRead the following four statements (A-D) about certain mistakes in two of them
(A) The first tranrgenic buffalo Rosie produced milk which was human alpha-lactalbumin enriched
(B) Restriction enzymes are used in isolation of DNA from other macro-molecules
(C) Downstream processing is one of the steps of R-DNA technology
(D) Disarmed pathogen vectors are also used in transfer of R-DNA into the host
Which are the two statements having mistakes?CorrectIncorrect -
Question 26 of 120
26. Question
Category: BiologyThe pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of organisms as that of
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Question 27 of 120
27. Question
Category: BiologyWhich one of the following techniques made it possible to genetically engineer living organisms?
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Question 28 of 120
28. Question
Category: Biology“Good ozone” is found in the
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Question 29 of 120
29. Question
Category: BiologyGuttation is the result of
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Question 30 of 120
30. Question
Category: BiologyBiodiversity of a geographical region represents
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Question 31 of 120
31. Question
Category: BiologyAt metaphase, chromosomes are attached to the spindle fibres by their
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Question 32 of 120
32. Question
Category: BiologyWhich one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct?
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Question 33 of 120
33. Question
Category: BiologySilencing of mRNA has been used in producing tranrgenic plants resistant to
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Question 34 of 120
34. Question
Category: BiologyWhich one of the following statements is totally wrong about the occurrence of notochord while the other three are correct
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Question 35 of 120
35. Question
Category: BiologyThe technique called gamete intrafallopian transfer (GIFT) is recommended for those females
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Question 36 of 120
36. Question
Category: BiologyCommon cold is not cured by antibiotics because it is
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Question 37 of 120
37. Question
Category: BiologyWhich one of the following options gives the correct matching of a disease with its causative organism and mode of infection
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Question 38 of 120
38. Question
Category: BiologyFrogs differ from humans in possessing
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Question 39 of 120
39. Question
Category: BiologyTest cross in plants or in Drosophila involves crossing
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Question 40 of 120
40. Question
Category: BiologyThe logistic population growth is expressed by the equation
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Question 41 of 120
41. Question
Category: BiologyExamine the figure given below and select the right option giving all the four parts (a, b, c, d) correctly identified
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Question 42 of 120
42. Question
Category: BiologyAbout which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs
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Question 43 of 120
43. Question
Category: BiologyIn history of bilogy, human genome project led to the development of?
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Question 44 of 120
44. Question
Category: BiologyWhich one of the following correctly represents the normal adult human dental formula?
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Question 45 of 120
45. Question
Category: BiologyThe type of muscles present in our
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Question 46 of 120
46. Question
Category: BiologyWhich one of the following is not an essential mineral element for plants while the remaining three are?
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Question 47 of 120
47. Question
Category: BiologyConsider the following four statements whether they are correct or wrong?
(A) The sporophyte in liverworts is more elaborate than that in mosses
(B) Salvinia is heterosporous
(C) The life-cycle in all seed bearing plants is diplontic
(D) In Pinus male and female cones are borne on different trees
The two wrong statements together areCorrectIncorrect -
Question 48 of 120
48. Question
Category: BiologyConsider the following four statements (A-D) related to the common from Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F).Statements:(A) One dry land it would die due to lack of O2 if its mouth is forcibly kept closed for a few days.(B) It has four chambered heart.(C) On dry land it turns uricotelic from ureotelic.(D) Its life history is carried out in pond water.
OptionsCorrectIncorrect -
Question 49 of 120
49. Question
Category: BiologyThe figure shows four animals (a), (b), (c) and (d). Select the correct answer with respect to a common characteristics of two of these animals.
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Question 50 of 120
50. Question
Category: BiologyIn angiosperms, functional megaspore develops into
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Question 51 of 120
51. Question
Category: BiologyWhich one of the following aspects is an exclusive characteristic of living things?
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Question 52 of 120
52. Question
Category: BiologySome vascular bundles are described as open because these
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Question 53 of 120
53. Question
Category: BiologyBacillus thuringiensis forms protein crystals which contain insecticidal protein.
This protein :CorrectIncorrect -
Question 54 of 120
54. Question
Category: BiologyOne of the constituents of the pancreatic juice while poured into the duodenum in humans is
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Question 55 of 120
55. Question
Category: BiologyWhich one of the following structures in Pheretima is correctly matched with its function?
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Question 56 of 120
56. Question
Category: BiologyBoth, hydrarch and xerarch successions lead to
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Question 57 of 120
57. Question
Category: BiologyThe breakdown of detritus into smaller particles by earthworm is a process called
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Question 58 of 120
58. Question
Category: BiologyWhich one of the following diagrams represnts the placentation in Dianthus?
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Question 59 of 120
59. Question
Category: BiologyThe figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D). Select the part correctly matched with its function.
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Question 60 of 120
60. Question
Category: BiologyConsider the following statement (A)-(D) each with one or two blanks.
(A) Bears go into (1) during winter to (2) cold weather
(B) A conical age pyramid with a broad base represents (3) human population
(C) A wasp pollinating a fig flower is an example of (4)
(D) An area with high levels of species richness is known as (5)Which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements?
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Question 61 of 120
61. Question
Category: PhysicsA galvanometer of resistance, G is shunted by a resistance S ohm. To keep the main current in the circuit unchanged, the resistance to be put in series with the galvanometer is
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Question 62 of 120
62. Question
Category: PhysicsA particle covers half of its total distance with speed v1 and the rest half distance with speed v2. Its average speed during the complete journey is
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Question 63 of 120
63. Question
Category: PhysicsA thermocouple of negligible resistance produces an e.m.f. of 40 \( \mu \)V/°C in the linear range of temperature. A galvanometer of resistance 10 ohm whose sensitivity is 1 \( \mu\)A/div, is employed with the thermocouple. The smallest value of temperature difference that can be detected by the system will be
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Question 64 of 120
64. Question
Category: PhysicsA mass m moving horizontally (along the x-axis) with velocity v collides and sticks to a mass of 3m moving vertically upward (along the y-axis) with velocity 2v. The final velocity of the combination is
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Question 65 of 120
65. Question
Category: PhysicsA converging beam of rays is incident on a diverging lens. Having passed through the lens the rays intersect at a point 15 cm from the lens on the opposite side. If the lens is removed the point where the rays meet will move 5 cm closer to the lens. The focal length of the lens is
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Question 66 of 120
66. Question
Category: PhysicsThe threshold frequency for a photosensitive metal is 3.3 × 1014 Hz. If light of frequency 8.2 × 1014 Hz is incident on this metal, the cut-off voltage for the photoelectric emission is nearly
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Question 67 of 120
67. Question
Category: PhysicsAn electron in the hydrogen atom jumps from excited state n to the ground state. The wavelength so emitted illuminates a photosensitive material having work function 2.75 eV. If the stopping potential of the photoelectron is 10 V, then the value of n is
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Question 68 of 120
68. Question
Category: PhysicsA particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The magnitude of the gravitational potential at a point situated at a/2 distance from the centre, will be
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Question 69 of 120
69. Question
Category: PhysicsThe r.m.s. value of potential difference V shown in the figure is
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Question 70 of 120
70. Question
Category: PhysicsTwo particles are oscillating along two close parallel straight lines side by side, with the same frequency and amplitudes. They pass each other, moving in opposite directions when their displacement is half of the amplitude. The mean positions of the two particles lie on a straight line perpendicular to the paths of the two particles. The phase difference is
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Question 71 of 120
71. Question
Category: ChemistryIn the circuit shown in the figure, if the potential at point A is taken to be zero, the potential at point B is
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Question 72 of 120
72. Question
Category: PhysicsA conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it. The coefficient of friction between them is \(\mu\) = 0.5. The distance that the box will move relative to belt before coming to rest on it, taking g = 10 ms \(^{-2}\), is
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Question 73 of 120
73. Question
Category: PhysicsA mass of diatomic gas ( = 1.4) at a pressure of 2 atmospheres is compressed adiabatically so that its temperature rises from 27°C to 927°C. The pressure of the gas in the final state is
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Question 74 of 120
74. Question
Category: PhysicsCharge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency f Hz. The magnitude of magnetic induction at the center of the ring is :
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Question 75 of 120
75. Question
Category: ChemistryA zener diode, having breakdown voltage equal to 15 V is used in a voltage regulator circuit shown in figure. The current through the diode is :
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Question 76 of 120
76. Question
Category: PhysicsOut of the following which one is not a possible energy for a photon to be emitted by hydrogen atom according to Bohr’s atomic model?
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Question 77 of 120
77. Question
Category: ChemistryIn the following figure, the diodes which are forward biased are
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Question 78 of 120
78. Question
Category: PhysicsTwo radioactive nuclei P and Q in a given sample decay into a stable nucleus R. At time t = 0, number of P species are 4N \(_0\) and that of Q are N \(_0\). Half-life of P (for conversion to R) is 1 minute whereas that of Q is 2 minutes. Initially there are no nuclei of R present in the sample. When number of nuclei of P and Q are equal the number of nuclei of R present in the sample would be :
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Question 79 of 120
79. Question
Category: PhysicsPure Si at 500 K has equal number of electron (n_e) and hole (n_h) concentrations of 1.5 × 10 \(^{16} \)m \(^{–3} \). Doping by indium increases nh to 4.5 × 10 \(^{22} \) m \(^{–3} \). The doped semiconductor is of :
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Question 80 of 120
80. Question
Category: PhysicsA thin prism of angle 15° made of glass of refractive index \(\mu_1\) = 1.5 is combined with another prism of glass of refractive index \(\mu_2\) = 1.75. The combination of the prisms produces dispersion without deviation. The angle of the second prism should be
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Question 81 of 120
81. Question
Category: PhysicsTwo identical piano wires, kept under the same tension T have a fundamental frequency of 600 Hz. The fractional increase in the tension of one of the wires which will lead to occurrence of 6 beats /s when both the wires oscillate together would be
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Question 82 of 120
82. Question
Category: ChemistryA small mass attached to a string rotates on a frictionless table top as shown. If the tension in the string is increased by pulling the string causing the radius of the circular motion to decrease by a factor of 2, the kinetic energy of the mass will
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Question 83 of 120
83. Question
Category: PhysicsThe electric potential V at any, point (x, y, z), in meters in space is given by V = 4x \(^2\) volt. The electric field at the point (1, 0, 2) in volt/meter, is
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Question 84 of 120
84. Question
Category: ChemistryThree charges, each +q, are placed at the corners of an isosceles triangle ABC of sides BC and AC, 2a. D and E are the mid points of BC and CA. The work done in taking a charge Q from D to E is
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Question 85 of 120
85. Question
Category: PhysicsA particle of mass m is thrown upwards from the surface of the earth, with a velocity u. The mass and the radius of the earth are, respectively, M and R.G is gravitational constant and g is acceleration due to gravity on the surface of the earth. The minimum value of u so that the particle does not return back to earth, is
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Question 86 of 120
86. Question
Category: ChemistryA short bar magnet of magnetic moment 0.4 JT\(^{–1}\) is placed in a uniform magnetic field of 0.16 T. The magnet is in stable equilibrium when the potential energy is
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Question 87 of 120
87. Question
Category: ChemistryA square loop, carrying a steady current I, is placed in a horizontal plane near a long straight conductor carrying a steady current I1 at a distance d from the conductor as shown in figure. The loop will experience
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Question 88 of 120
88. Question
Category: PhysicsA projectile is fired at an angle of 45° with the horizontal. Elevation angle of the projectile at its highest point as seen from the point of projection is
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Question 89 of 120
89. Question
Category: PhysicsA coil has resistances 30 ohm and inductive reactance 20 Ohm at 50 Hz frequency. If an ac source, of 200 volt, 100 Hz is connected across the coil, the current in the coil will be
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Question 90 of 120
90. Question
Category: PhysicsThe density of a material in CGS system of units is 4 g/cm \(^3\). In a system of units in which unit of length is 10 cm and unit of mass is 100 g, the value of density of material will be
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Question 91 of 120
91. Question
Category: ChemistryMatch the composition of substances and select the correct answer using the code given below the lists
Sort elements
- \(CaSO_4\frac{1}{2}H_2O\)
- \(MgSO_4 7 H_2O\)
- \(MgSO_4 H_2O\)
- \(CaSO_4 2 H_2O\)
-
Plaster of paris
-
Epsomite
-
Kieserite
-
Gypsum
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Question 92 of 120
92. Question
Category: ChemistryWhich of the following statements is incorrect?
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Question 93 of 120
93. Question
Category: ChemistryWhich of the statements about “Denaturation” given below are correct?
Statements :
(a) Denaturation of proteins causes loss of secondary and tertiary structures of the protein
(b) Denaturation leads to the conversion of double strand of DNA into single strand
(c) Denaturation affects primary structure which gets distortedCorrectIncorrect -
Question 94 of 120
94. Question
Category: ChemistryThe IUPAC name of the following compound is
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Question 95 of 120
95. Question
Category: ChemistryWhich of the following oxide is amphoteric?
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Question 96 of 120
96. Question
Category: ChemistryWhich of the following compounds undergoes nucleophilic substitution reaction most easily?
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Question 97 of 120
97. Question
Category: ChemistryA bubble of air is underwater at temperature 15°C and the pressure 1.5 bar. If the bubble rises to the surface where the temperature is 25°C and the pressure is 1.0 bar what will happen to the volume of the bubble?
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Question 98 of 120
98. Question
Category: ChemistryAn organic compound ‘A’ on treatment with NH\(_{3}\) gives ‘B’ which on heating gives ‘C’ when treated presence of KOH produces ethylamine. Compound with Br in the ‘A’ is
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Question 99 of 120
99. Question
Category: ChemistryConsider the following process
\(\Delta\)H(kJ/mol)
\(\frac{1}{2}A \to B\) + 150
\(3B \to 2C + D \) – 125
\(E + A \to 2D\) + 350
\(For B + D \to E + 2, \Delta H will be\)
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Question 100 of 120
100. Question
Category: ChemistryA 0.1 molal aqueous solution of a weak acid is 30% ionized. If Kf for water is 1.86°C/m, the freezing point of the solution will be
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Question 101 of 120
101. Question
Category: ChemistryThe following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.
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Question 102 of 120
102. Question
Category: ChemistryIn qualitative analysis, the metals of group I can be separated from other ions by precipitating them as chloride salts. A solution initially contains Ag \(^{+} \) and Pb \(^{2+} \) at a concentration is 0.10 M. Aqueous HCl is added to this solution until the Cl \(^{–} \) concentration is 0.10 M. What will the concentration of Ag \(^{+} \) and Pb \(^{2+} \) be at equilibrium? (K \(_{sp} \) for AgCl = 1.8 × 10 \(^{–10} \), K \(_{sp} \) for PbCl_2 = 1.7 × 10 \(^{–5}) \)
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Question 103 of 120
103. Question
Category: ChemistryWhich of the following structures is the most preferred and hence of lowest energy for SO\(_{3}\)?
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Question 104 of 120
104. Question
Category: ChemistryThe unit of rate constant for a zero order reaction is
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Question 105 of 120
105. Question
Category: ChemistryA solution contains Fe2+, Fe\(^{3+}\) and I\(^{–}\) ions. This solution was treated with iodine at 35°C. E° for Fe\(^{3+}\)/Fe\(^{2+}\) is +0.77 V and E° for I\(_{2}\)/2I– = 0.536 V. The favourable redox reaction is
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Question 106 of 120
106. Question
Category: Chemistry200 mL of an aqueous solution of a protein contains its 1.26 g. The Osmotic pressure of this
solution at 300 K is found to be 2.57 × 10\( ^{–3}\) bar. The molar mass of protein will be (R = 0.083 L bar mol\( ^{–1} K^{–1}) \)CorrectIncorrect -
Question 107 of 120
107. Question
Category: PhysicsThe rate of the reaction
2N\(_{2}\)O\(_{5} \rightarrow \)4NO\(_{2}\)+ O\(_{2}\)
can be written in three ways
\(\frac{d[N_{2}O_{5}]}{dt}= k[N_{2}O_{5}]\)
\(\frac{d[NO_{2}]}{dt}= k'[N_{2}O_{5}]\)
\(\frac{d[O_{2}]}{dt}= k”[N_{2}O_{5}]\)The relationship between k and k’ and between
k and k” areCorrectIncorrect -
Question 108 of 120
108. Question
Category: ChemistryThe half-life of a substance in a certain enzyme – catalysed reaction is 138 s. The time required for the concentration of the substance to fall from 1.28 mg L\(^{–1}\) to 0.04 mg L\(^{–1}\) is
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Question 109 of 120
109. Question
Category: ChemistryWhich of the following complex compounds will exhibit highest paramagnetic behaviour?
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Question 110 of 120
110. Question
Category: ChemistryA solid compound XY has NaCl structure. If the radius of the cation is 100 pm, the radius of the anion (Y \(^-\)) will be
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Question 111 of 120
111. Question
Category: ChemistryWhich of the following is not a fat soluble vitamin?
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Question 112 of 120
112. Question
Category: ChemistryWhich of the following compounds is most basic?
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Question 113 of 120
113. Question
Category: ChemistryWhich has the maximum number of molecules among the following?
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Question 114 of 120
114. Question
Category: ChemistryMatch the compounds
Sort elements
- Benzoin condensation
- Phenolphthalein
- Fries rearrangement
- Oil of wintergreen
-
Benzaldehyde
-
Phthalic anhydride
-
Phenyl benzoate
-
Methyl salicylate
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Question 115 of 120
115. Question
Category: ChemistryWhat is the value of electron gain enthalpy of Na \(^{+} \) if IE \(_{1} \) of Na = 5.1 eV?
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Question 116 of 120
116. Question
Category: ChemistryWhich of the following carbonyls will have the strongest C – O bond?
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Question 117 of 120
117. Question
Category: ChemistryThe order of reactivity of phenyl magnesium :bromide (PhMgBr) with the following compounds
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Question 118 of 120
118. Question
Category: ChemistryThe pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?
Sort elements
- Both paramagnetic
- Both diamagnetic
- Both paramagnetic
- Both paramagnetic
-
\( O_2^+, O_2 \)
-
\( O, O_2^{2–} \)
-
\( O_2^–, O_2^{2–} \)
-
\( O^+, O_2^{2+} \)
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Question 119 of 120
119. Question
Category: ChemistryAccording to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?
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Question 120 of 120
120. Question
Category: ChemistryConsider the reactions :
\((CH_{3})_{2} CH-CH_{2}Br
\overset{C_{2}H_{5}OH}{\rightarrow}(CH_{3})_{2}CH-CH_{2}OC_{2}H_{5}+HBr\)
\((CH_{3})_{2} CH-CH_{2}Br
\overset{C_{2}H_{5}O^{-}}{\rightarrow}(CH_{3})_{2}CH-CH_{2}OC_{2}H_{5}+HBr^{-}\)The mechanisms of reactions (i) and (ii) are respectively
CorrectIncorrect