Official NEET UG 2010 (C1)
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Question 1 of 120
1. Question
Which one of the following pairs of structures is correctly matched with their correct description?
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Question 2 of 120
2. Question
Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with
Components:
(i) Cristae of mitochondria
(ii) Inner membrane of mitochondria
(iii) Cytoplasm
(iv) Smooth endoplasmic reticulum
(v) Rough endoplasmic reticulum
(vi) Mitochondrial matrix
(vii) Cell vacuole
(viii) Nucleus
The correct components are :CorrectIncorrect -
Question 3 of 120
3. Question
Fastest distribution of some injectible material/medicine and with no risk of any kind can be achieved by injecting it into the
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Question 4 of 120
4. Question
Which one of the following statements about the particular entity is true?
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Question 5 of 120
5. Question
Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character
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Question 6 of 120
6. Question
Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?
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Question 7 of 120
7. Question
The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four options (1–4) the components of reaction labelled as A, B, C and D are identified correctly?
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Question 8 of 120
8. Question
Which of the following are used in gene cloning?
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Question 9 of 120
9. Question
When domestic sewage mixes with river water
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Question 10 of 120
10. Question
Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements Statements:
(A) Wings of butterfly and birds look alike and are the results of __(i)____, evolution.
(B) Miller showed that \(CH_{4}, H_{2}, NH_{3}\) and ___(i)___, when exposed to electric discharge in a flask resulted in formation of ___(ii)_____.
(C) Vermiform appendix is a ___(i)____ organ and an __(ii)_____ evidence of evolution.
(D) According to Darwin evolution took place due to ___(i)___ and ___(ii)__ of the fittest.CorrectIncorrect -
Question 11 of 120
11. Question
Aestivation of petals in the flower of cotton is correctly shown in1
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Question 12 of 120
12. Question
In which one of the following organisms its excretory organs are correctly stated?
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Question 13 of 120
13. Question
Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct?
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Question 14 of 120
14. Question
The most apparent change during the evolutionary history of Homo sapiens is traced in
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Question 15 of 120
15. Question
Which one of the following is now being commercially produced by biotechnological procedures?
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Question 16 of 120
16. Question
The correct floral formula of soybean is
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Question 17 of 120
17. Question
If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?
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Question 18 of 120
18. Question
Which one of the following is most appropriately defined?
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Question 19 of 120
19. Question
Read the following four statements, A, B, C and D and select the right option having both correct statements.
STATEMENTS:(A) Z scheme of light reaction takes place in presence of PSI only.
(B) Only PS I is functional in cyclic photophosphorylation.
(C) Cyclic photophosphorylation results into synthesis of ATP and \(NADPH_{2}\)
(D) Stroma lamellae lack PS II as well as NADP.CorrectIncorrect -
Question 20 of 120
20. Question
A solid cylinder and a hollow cylinder, both of the same mass and same external diameter are released from the same height at the same time on a inclined plane. Both roll down without slipping.Which one will reach the bottom first?
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Question 21 of 120
21. Question
Given below are four statements (a-d) regarding human blood circulatory system
(a) Arteries are thick-walled and have narrow lumen as compared to veins
(b) Angina is acute chest pain when the blood circulation to the brain is reduced
(c) Persons with blood group AB can donate blood to any person with any blood group under ABO system
(d) Calcium ions play a very important role in blood clotting
Which two of the above statements are correct?CorrectIncorrect -
Question 22 of 120
22. Question
Three of the following statements about enzymes are correct and one is wrong. Which one is wrong?
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Question 23 of 120
23. Question
When monochromatic radiation of intensity I falls on a metal surface, the number of photoelectron and their maximum kinetic energy are N and T respectively. If the intensity of radiation is 2I, the number of emitted electrons and their maximum kinetic energy are respectively
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Question 24 of 120
24. Question
The thermo e.m.f. E in volts of a certain thermo-couple is found to vary with temperature difference \(\theta\) in °C between the two junctions according to the relation E=300-\(\frac{\theta^{2}}{15}\) The neutral temperature for the thermo-couple will be
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Question 25 of 120
25. Question
In human female the blastocyst
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Question 26 of 120
26. Question
An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called :
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Question 27 of 120
27. Question
The electric field of an electromagnetic wave in free space is given by
\(\overline{E}\)= 10cos \((({10^7}{t})+{kx})\widehat{j} \frac{V}{m}\), where t and x are in seconds and metres respectively. It can be inferred that
(a) The wavelength \(\lambda\) is 188.4 m
(b) The wave number k is 0.33 rad/m
(c) The wave amplitude is 10 V/m
(d) The wave is propagating along +x direction
Which one of the following pairs of statements is correct?CorrectIncorrect -
Question 28 of 120
28. Question
The haemoglobin content per 100 ml of blood of a normal healthy human adult is
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Question 29 of 120
29. Question
Root development is promoted by
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Question 30 of 120
30. Question
The speed of light in media M1 and M2 is 1.5 × 10\(^8 m/s\) and 2.0 × 10\(^8 m/s\) respectively. A ray of light enters from medium M1 to M2 at an incidence angle i. If the ray suffers total internal reflection, the value of i is
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Question 31 of 120
31. Question
An example of endomycorrhiza is
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Question 32 of 120
32. Question
In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (A-D) in this regard and select the correct option about which one or more of these can be used as a vector/vectors
Statements
(A) A bacterium (B) Plasmid
(C) Plasmodium (D) Bacteriophage
Options :CorrectIncorrect -
Question 33 of 120
33. Question
One of the commonly used plant growth hormone is tea plantations is
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Question 34 of 120
34. Question
Which one of the following can not be used for preparation of vaccines against plague?
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Question 35 of 120
35. Question
Jaundice is a disorder of
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Question 36 of 120
36. Question
The fruit fly Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because :
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Question 37 of 120
37. Question
Kranz anatomy is one of the characteristics of the leaves of
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Question 38 of 120
38. Question
The lac operon consists of
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Question 39 of 120
39. Question
In Antirrhinum two plants with pink flowers were hybridized. The F1 plants produced red, pink and white flowers in the proportion of 1 red, 2 pink and 1 white. What could be the genotype of the two plants used for hybridization? Red flower colour is determined by RR, and white by rr genes.
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Question 40 of 120
40. Question
Crocodile and penguin are similar to Whale and Dogfish in which one of the following features?
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Question 41 of 120
41. Question
Transport of food material in higher plants takes place through
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Question 42 of 120
42. Question
Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms
(a) Methanogens are Archaebacteria which produce methane in marshy areas
(b) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen
(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose
(d) Mycoplasma lack a cell wall and can survive without oxygenCorrectIncorrect -
Question 43 of 120
43. Question
Which one of the following is manoecious?
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Question 44 of 120
44. Question
Which one of the following is the correct description of a certain part of a normal human skeleton?
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Question 45 of 120
45. Question
A cross in which an organism showing a dominant phenotype in crossed with the recessive parent in order to know its genotype is called :
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Question 46 of 120
46. Question
Vegetative propagation is Pistia occurs by
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Question 47 of 120
47. Question
Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D.
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Question 48 of 120
48. Question
The Indian Rhinoceros is a natural inhabitant of which one of the Indian states?
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Question 49 of 120
49. Question
Which one of the following techniques is safest for the detection of cancers?
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Question 50 of 120
50. Question
Black (stem) rust of wheat is caused by :
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Question 51 of 120
51. Question
Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of
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Question 52 of 120
52. Question
Secretions from which one of the following are rich in fructose, calcium and some enzymes?
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Question 53 of 120
53. Question
Select the correct matching of a hormone, its source and function.
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Question 54 of 120
54. Question
A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when?
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Question 55 of 120
55. Question
Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation?
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Question 56 of 120
56. Question
In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the
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Question 57 of 120
57. Question
ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible?
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Question 58 of 120
58. Question
The 3\(^{‘}\)-5\(^{‘}\) phosphodiester linkages inside a polynucleotide chain serve to join
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Question 59 of 120
59. Question
A current loop consists of two identical semicircular parts each of radius R, one lying in the x-y plane and the other in x-z plane. If the current in the loop is i. The resultant magnetic field due to the two semicircular parts at their
common centre isCorrectIncorrect -
Question 60 of 120
60. Question
The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B and Y are as given
The logic gate is
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Question 61 of 120
61. Question
Two parallel metal plates having charges +Q and –Q face each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates will
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Question 62 of 120
62. Question
The electric field at a distance \(\frac{{3}{R}}{2}\) from the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance \(\frac{R}{2}\) from the centre of the sphere is
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Question 63 of 120
63. Question
A student measures the distance traversed in free fall of a body, initially at rest in a given time. He uses this data to estimate g, the acceleration due to gravity. If the maximum percentage errors in measurement of the distance and the time are \(e_{1}\)and\(e_{2}\) respectively, the percentage error in the estimation of g is
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Question 64 of 120
64. Question
A ray of light is incident on a 60\(^{\circ}\) prism at the minimum deviation position. The angle of refraction at the first face (i.e., incident face) of the prism is
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Question 65 of 120
65. Question
For transistor action
(a) Base, emitter and collector regions should have similar size and doping concentrations.
(b) The base region must be very thin and lightly doped.
(c) The emitter-base junction is forward biased and base-collector junction is reverse baised.
(d) Both the emitter-base junction as well as the base collector junction are forward biased.
Which one of the following pairs of statements is correct?CorrectIncorrect -
Question 66 of 120
66. Question
The additional kinetic energy to be provided to a satellite of mass m revolving around a planet of mass M, to transfer it from a circular orbit of radius R1 to another of radius \(R_{2} (R_{2} > R_{1})\) is
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Question 67 of 120
67. Question
The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is
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Question 68 of 120
68. Question
From a circular disc of radius R and mass 9M, a small disc of mass M and radius\(\frac{R}{3}\) is removed concentrically. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre is
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Question 69 of 120
69. Question
A particle moves in x-y plane according to rule x = a sin\(\omega t\) and y = a cos\(\omega t\). The particle follows
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Question 70 of 120
70. Question
A closely wound solenoid of 2000 turns and area of cross-section 1.5 × 10\(^{–4}m^{2}\) carries a current of 2.0 A. It is suspended through its centre and perpendicular to its length, allowing it to turn in a horizontal plane in a uniform magnetic field 5 × 10\(^{–2}\)tesla making an angle of (30)\(^{\circ}\) with the axis of the solenoid. The torque on the solenoid will be
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Question 71 of 120
71. Question
The decay constant of a radio isotope is\(\lambda\). If A\(_{1}\) and A\(_{2} \)are its activities at times t\(_{1}\) and t\(_{2}\) respectively,the number of nuclei which have decayed during the time (t\(_{1}\) – t\(_{2}\))
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Question 72 of 120
72. Question
A particle having a mass of 10\(^{–2} \)kg carries a charge of 5 × 10\(^{–8}\)C. The particle is given an initial horizontal velocity of 10\(^{5}\) ms\(^{–1}\) in the presence of electric field \(\overline{E}\)and magnetic field \(\overline{B}\) .To keep the particle moving in a horizontal direction, it is necessary that
(a)\(\overline{B}\) should be perpendicular to the direction of velocity and \(\overline{E}\)should be along the direction of velocity
(b) Both \(\overline{B}\)and \(\overline{E}\) should be along the direction of velocity
(c) Both \(\overline{B}\) and \(\overline{E}\) are mutually perpendicular and perpendicular to the direction of velocity
(d) \(\overline{B}\)should be along the direction of velocity and \(\overline{E}\) should be perpendicular to the direction of velocity
Which one of the following pairs of statements is possible?CorrectIncorrect -
Question 73 of 120
73. Question
The binding energy per nucleon in deuterium and helium nuclei are 1.1 MeV and 7.0 MeV, respectively. When two deuterium nuclei fuse to form a helium nucleus the energy released in the fusion is
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Question 74 of 120
74. Question
The electron in the hydrogen atom jumps from excited state (n = 3) to its ground state (n = 1) and the photons thus emitted irradiate a photosensitive material. If the work function of the material is 5.1 eV, the stopping potential is estimated to be (the energy of the electron in n\(^{th}\) state \(E_{n}=-\frac{{13.6}}{n^{2}}eV\))
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Question 75 of 120
75. Question
If \(c_{p}\) and \(c_{v}\) denote the specific heats (per unit mass) of an ideal gas of molecular weight M where R is the molar gas constant
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Question 76 of 120
76. Question
A condenser of capacity C is charged to a potential difference of \(V_{1}\) . The plates of the condenser are then connected to an ideal inductor of inductance L. The current through the inductor when the potential difference across the condenser reduces to \( V_{2}\) is
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Question 77 of 120
77. Question
The dependence of acceleration due to gravity g on the distance r from the centre of the earth, assumed to be a sphere of radius R of uniform density is as shown in figures below
The correct figure is
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Question 78 of 120
78. Question
(a) Centre of gravity (C.G.) of a body is the point at which the weight of the body acts
(b) Centre of mass coincides with the centre of gravity if the earth is assumed to have infinitely large radius
(c) To evaluate the gravitational field intensity due to any body at an external point, the entire mass of the body can be considered to be concentrated at its C.G.
(d) The radius of gyration of any body rotating about an axis is the length of the perpendicular dropped from the C.G. of the body to the axis
Which one of the following pairs of statements is correct?CorrectIncorrect -
Question 79 of 120
79. Question
The magnetic moment of a diamagnetic atom is
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Question 80 of 120
80. Question
Two identical bar magnets are fixed with their centres at a distance d apart. A stationary charge Q is placed at P in between the gap of the two magnets at a distance D from the centre O as shown in the figure
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Question 81 of 120
81. Question
A particle of mass M starting from rest undergoes uniform acceleration. If the speed acquired in time T is V, the power delivered to the particle is
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Question 82 of 120
82. Question
A thin circular ring of mass M and radius r is rotating about its axis with constant angular velocity \(\omega\). Two objects each of mass m are attached gently to the opposite ends of a diameter of the ring. The ring now rotates with angular velocity given by
CorrectIncorrect -
Question 83 of 120
83. Question
A monoatomic gas at pressure \(P_{1} and V_{1}\) is compressed adiabatically to \(\frac{1}{8}th\) its original volume. What is the final pressure of the gas?
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Question 84 of 120
84. Question
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is
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Question 85 of 120
85. Question
The reaction \(2A(g)+B(g) \rightleftharpoons 3C(g)+D(g)\) is begun with the concentrations of A and B both at an initial value of 1.00 M. When equilibrium is reached, the concentration of D is measured and found to be 0.25 M. The value for the equilibrium constant for this reaction is given by the expression
CorrectIncorrect -
Question 86 of 120
86. Question
Which of the following expressions correctly represents the equivalent conductance at infinite dilution of \(Al_{2}(SO_{4})_{3}\). Given that \(\wedge^{o}_{Al^{3+}} and \wedge^{o}_{SO^{2-}_{4}}\) are the equivalent conductances at infinite dilution of the respective ions?
CorrectIncorrect -
Question 87 of 120
87. Question
The pressure exerted by 6.0 g of methane gas in a \(0.03 m^{3}\) vessel at 129°C is (Atomic masses :\(C = 12.01, H = 1.01 and R = 8.314 JK^{–1} mol^{–1})\)
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Question 88 of 120
88. Question
Match List-I (Equations) with List-II (Type of process) and select the correct option
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Question 89 of 120
89. Question
Among the following four compounds
a. Phenol b. Methyl phenol
c. Metanitrophenol d. Paranitrophenol
The acidity order isCorrectIncorrect -
Question 90 of 120
90. Question
Among the following which one has the highest cation to anion size ratio?
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Question 91 of 120
91. Question
Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be
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Question 92 of 120
92. Question
Which of the following species is not electrophilic in nature?
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Question 93 of 120
93. Question
A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength will be \((h = 6.6 × 10^{–34} Js)\)
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Question 94 of 120
94. Question
Consider the following relations for emf of a electrochemical cell
(a) emf of cell = (Oxidation potential of anode) – (Reduction potential of cathode)
(b) emf of cell = (Oxidation potential of anode) + (Reduction potential of cathode)
(c) emf of cell = (Reductional potential of anode) + (Reduction potential of cathode)
(d) emf of cell = (Oxidation potential of anode) – (Oxidation potential of cathode)
Which of the above relations are correct?Options:
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Question 95 of 120
95. Question
In which of the following molecules the central atom does not have \(sp^{3}\) hybridization?
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Question 96 of 120
96. Question
For vaporization of water at 1 atmospheric pressure, the values of \(\Delta H\) and \(\Delta S\) are \(40.63 kJ mol^{–1}\) and \(108.8 JK^{–1} mol^{–1}\), respectively. The temperature when Gibbs energy change \((\Delta G)\) for this transformation will be zero, is
CorrectIncorrect -
Question 97 of 120
97. Question
Match List-I (substances) with List-II (process)
employed in the manufacture of the substances
and select the correct option
List-I List-II
Substances Processes
a. Sulphuric acid (i) Haber’s Process
b. Steel (ii) Bessemer’s Process
c. Sodium hydroxide (iii) Leblanc Process
d. Ammonia (iv) Contact ProcessCorrectIncorrect -
Question 98 of 120
98. Question
When glycerol is treated with excess of HI, it produces
CorrectIncorrect -
Question 99 of 120
99. Question
Some statements about heavy water are given below
a. Heavy water is used as a moderator in nuclear reactors
b. Heavy water is more associated than ordinary water
c. Heavy water is more effective solvent than ordinary water
Which of the above statements are correct?CorrectIncorrect -
Question 100 of 120
100. Question
The compound A on heating gives a colourless gas and a residue that is dissolved in water to obtain B. Excess of \(CO_{2}\) is bubbled through aqueous solution of B, C is formed which is recovered in the solid form. Solid C on gentle heating gives back A.The compound is
CorrectIncorrect -
Question 101 of 120
101. Question
Match the compounds given in List-I with their characteristic reactions given in List-II. Select the correct option
List-I List-II
(Compounds) (Reactions)
a. CH3CH2CH2CH2NH2 (i) Alkaline hydrolysis
b. CH3C?CH (ii) With KOH (alcohol)
and CHCl3 produces
bad smellc. CH3CH2COOCH3 (iii) Gives white ppt. with
ammoniacal AgNO3
d. CH3CH(OH)CH3 (iv) With Lucas reagent
cloudiness appears
after 5 minutesCorrectIncorrect -
Question 102 of 120
102. Question
Which one of the following compounds will be most readily dehydrated?
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Question 103 of 120
103. Question
The rate of the reaction \(2NO + Cl_{2} \rightarrow 2NOCl\) is given by the rate equation rate = \(k[NO]^{2}[Cl_{2}]\) The value of the rate constant can be increased by
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Question 104 of 120
104. Question
Which one of the following complexes is not expected to exhibit isomerism?
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Question 105 of 120
105. Question
Which of the following conformers for ethylene glycol is most stable?
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Question 106 of 120
106. Question
The IUPAC name of the compound \(CH_{3}CH=CHC≡CH is\)
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Question 107 of 120
107. Question
Which of the following oxidation states is the most common among the lanthanoids?
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Question 108 of 120
108. Question
How many bridging oxygen atoms are present in \(P_{4}O_{10}?\)
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Question 109 of 120
109. Question
Some of the properties of the two species, \(NO_{3}^{-}\) and \(H_{3}O^{+}\) are described below. Which one of them is correct?
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Question 110 of 120
110. Question
The following two reactions are known : \(Fe_{2}O_{3}(s) + 3CO(g) \rightarrow 2Fe(s) + 3CO_{2}(g);\)
\(\Delta H = – 26.8 kJ\)
\(FeO(s) + CO(g) \rightarrow Fe(s) + CO_{2}(g);\)
\(\Delta H = – 16.5 kJ\)
The value of \(\Delta H\) for the following reaction \(Fe_{2}O_{3}(s) + CO(g) \rightarrow 2FeO(s) + CO_{2}(g) is\)CorrectIncorrect -
Question 111 of 120
111. Question
Following compounds are given
a. \(CH_{3}CH_{2}OH\)
b. \(CH_{3}COCH_{3}\)
d. \(CH_{3}OH\)
Which of the above compound(s), on being warmed with iodine solution and NaOH, will give iodoform?
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Question 112 of 120
112. Question
Fructose reduces Tollen’s reagent due to
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Question 113 of 120
113. Question
In the following reaction
the product ‘X’ is
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Question 114 of 120
114. Question
Study the pathway given below :
In which of the following options correct words for all the three blanks A, B and C are indicated?
CorrectIncorrect -
Question 115 of 120
115. Question
Examine the figures (A-D) given below and select the right option out of 1-4, in which all the four structures A, B, C and D are identified correctly
Structures :CorrectIncorrect -
Question 116 of 120
116. Question
Consider the following four statements A, B, C and D and select the right option for two correct statements.
Statements
(A) In vexillary aestivation, the large posterior petal is called – standard, two lateral ones are wings and two small anterior petals are termed keel(B) The floral formula for Liliaceae is
(C) In pea flower the stamens are monadelphous
(D) The floral formula for Solanaceae is
The correct statements areCorrectIncorrect -
Question 117 of 120
117. Question
Given below is the diagram of a bacteriophage. In which one of the options all the four parts A, B, C and D are correct?
CorrectIncorrect -
Question 118 of 120
118. Question
Select the answer with correct matching of the structure, its location and function
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Question 119 of 120
119. Question
Given below is the diagram of a stomatal apparatus. In which of the following all the four parts labelled as A, B, C and D are correctly identified?
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Question 120 of 120
120. Question
Which of the following representations shows the pyramid of numbers in a forest ecosystem?
CorrectIncorrect