E2IIPart Test 3 For NEET 2022

1.A hollow conducting sphere is placed in an electric field produced by a point charge placed at P as shown. Let VA,VB,VC be the potentials at points A,B and C respectively. Then1

2.If E be the electric field inside a parallel plate capacitor due to Q and -Q charges on the two plates, then electrostatic force on plate having charge -Q due to the plate having charge +Q will be

3.If W be the amount of heat produced in the process of charging an uncharged capacitor then the amount of energy stored in it is

4.The electric potential at the surface of a charged solid sphere of insulator is 20V. The value of electric potential at its centre will be

5.A hollow charged metal spherical shell has radius R. If the potential difference between its surface and a point at a distance 3R from the center is V, then the value of electric field intensity at a point at distance 4R from the center is

6.Capacitors C1=10μF and C2=30μF are connected in series across a source of emf 20KV. The potential difference across C1 will be

7.The equivalent capacitance between A and B is as the given figure:

8.Two metallic spheres of radii 2cm and 3cm are given charges 6mC and 4mC respectively. The final charge on the smaller sphere will be if they are connected by a conducting wire

9.When a proton at rest is accelerated by a potential difference V, its speed is found to be v. The speed of an αα particle when accelerated by the same potential difference from rest will be

10.In the circuit shown in figure, energy stored in 6μFμF capacitor will be

11.The figure shows some of the equipotential surfaces. Magnitude and direction of the electric field is given by

12. A and B are two concentric metallic shells. If A is positively charged and B is earthed, then electric

13.An electron of mass m and charge e is accelerated from rest through a potential difference V in vacuum. The final speed of the electron will be 

14.Inside a hollow charged spherical conductor, the potential –

15.Two small spheres each carrying a charge q are placed r meter apart. If one of the spheres is taken around the other one in a circular path of radius r, the work done will be equal to 

16.The electric potential V at any point O (x, y, z all in metres) in space is given by V=4x^2 volt. The electric field at the point (1m, 0, 2m) in volt/metre is –

17.. A hollow metal sphere of radius 5 cm is charged so that the potential on its surface is 10 V. The potential at the centre of the sphere is –

18.In the circuit shown in figure find the value of r(internal resistance of the cell) for which power transferred by the cell is maximum

19.If a resistance coil is made by joining in parallel two resistances each of 20Ω. An emf of 2V is applied across this coil for 100 seconds. The heat produced in the coil is

20.The equivalent resistance across AB is :

21.The equivalent resistance between points A and B in the circuit shown in the figure is 

22.The drift velocity of the electrons in a current-carrying  metallic conductor is of the order of 

23.For the circuit shown in the figure, the value of R must be

24.The resistance of platinum wire at 0°C° is 22.05 Ω and at 100°C it becomes 22.70 Ω. When the wire is heated to a temperature of t°C° the resistance of wire becomes 24.91Ω. The value of t is 

25. A battery has e.m.f. 4V and internal resistance r. When this battery is connected to an external resistance of 2 ohms, a current of 1 amp. flows in the circuit. How much current will flow if the terminals of the battery are connected directly

26.A meter bridge is set up to determine unknown resistance x using a standard 10 Ω resistor. The galvanometer shows the null point when the tapping key is at a 52 cm mark. End corrections are 1 cm and 2 cm respectively for end A and B. Then the value of x is  

27.The resistivity of iron is 1 × 10^–7 ohm – m. The resistance of iron wire of particular length and thickness is 1 ohm. If the length and the diameter of wire both are doubled, then the resistivity in ohm – m will be :

28. A solenoid is at the potential difference 60 V and current flows through it is 15 ampere, then the resistance of coil will be :

29.Masses of 3 wires of same metal are in the ratio 1 : 2 : 3 and their lengths are in the ratio 3 : 2 : 1. The electrical resistances are in ratio

30.Two resistors are connected (a) in series (b) in parallel. The equivalent resistance in the two cases is 9 ohm and 2 ohms respectively. Then the resistances of the component resistors are :

31.Sertoli cells form from

2.Which of the flowing statements are Correct?

I. Immunologically competent cells are found in the inner lining of the seminiferous tubules

II.  The secondary spermatocytes are of 23 chromosomes

III.   Spermatids are produced from the second reduction division

IV.   Mature sperm heads remain embedded in the Sertoli cells

33.Identify the following structures labelled P, Q, R and S in the given diagram

34.Vasa efferentia opens into

35.The layer of the uterus which exhibits strong contraction during parturition is

36.The major muscle which support the mammary glands is

37.Identify the following labelled in the given diagram

38.At puberty this hormone increase significantly in male

39.The female equivalent of the glans of the penis is the

40.Mature sperms are stored in

41.Assertion: At puberty only 60,000-80,000 primary follicles are left in each ovary

Reason: A large number of these follicles degenerate during the phase from birth to puberty

42.Zona pellucida first appears in

43.Insemination refers to

44.Blastocysts are embedded in the endometrium by

45.Which of the following statements are Correct?

I.  Human chorionic gonadotropin is secreted from corpus luteum along with estrogen and progesterone

II.  PRL is produced during pregnancy only

III.   During pregnancy thyroxin level is decreased

IV.   Relaxin is secreted from ovary in the later phase of pregnancy

46.In an embryo stem cells remains in the

47.The signals for parturition initiates from

48.The first movements of the foetus and appearance of hair on the head are usually observed during

49.According to the 2011 census report, the population growth rate was ______ and the consequence was ___________ in population.

50.An ideal contraceptive should be

51.Which is not a female contraceptive method?

52.Progestasert is a

53.Oral contraceptive pills actually

54.During male sterilization __________ are tied and cut

55.The Medical termination of pregnancy(Amendment) Act was enacted by Indian government in

56.Which phase is riskier to perform MTP?

57.Early symptoms of itching, fluid discharge, slight pain, swellings, etc., in the genital region indicates

58.ZIFT is involved in

59.Incidences of HIV cases is high among

60.Saheli was developed by the scientists of

61.The final product (IV) in the sequence of reactions

62.By which of the following procedures can ethyl n-propyl ether be obtained?

63.Among the following, which will react most rapidly with HBr?

64.Which of the following is the best procedure to make isopropylmethylether using the Williamson method?

65.By which the following reactions can trans-cyclopentane-1,2-diol be obtained?

66.In the following reaction the rate-determining step is

67.Arrange phenol (I), cyclohexanol (II), 2,4,6-trinitrophenol (III) and acetic acid (IV) in order of acidity.

68.The final product obtained in the reaction

69.How many isomers of C₅H₁₁OH will be primary alcohols?

70.. In the following reaction sequence the alcohol is

71.The acidities of phenol (I), p-cresol (II), m-cresol (III) and o-cresol (IV) follow the order

72.

In this reaction, the end product C is

73.An alcohol, on oxidation, produces a ketone with the same number of carbon atoms. When the ketone is oxidized, it yields an acid with a fewer number of carbon atoms. The alcohol could be a

74.An alcohol, on dehydration, produces an alkene which on ozonolysis yields two molecules of acetaldehyde. The alcohol is

75.Ortho-nitrophenol is steam volatile, whereas para-nitrophenol is not. This is due to

76.The relative lowering of the vapour pressure of an aqueous solution containing a non-volatile solute is 0.0125. The molality of the solution is

77.The vapour pressure of a deliquescent substance is

78.Which of the following has been arranged in order of decreasing freezing point?

79.The osmotic pressures of equimolar solutions of BaCl₂, NaCl and C₁₂H₂₂O₁₁ will be in the order

80.

which following option is correct?

81.Which of the following pairs of solutions can be expected to be isotonic at the same temperature?

82.Which of the following aqueous solutions has the highest boiling point?

83.. When mercuric iodide is added to an aqueous solution of KI, the

84. A compound X undergoes tetramerization in a given organic solvent. The van’t Hoff factor i is

85.Calculate the ebullioscopic constant for water. The heat of vaporization is 40.685 kJ mol^–1 .

86.An aqueous solution of NaCl freezes at –0.186 °C. Given that K_b^H2O = 0.512 K kg mol^–1 and K_f^H2O = 1.86 K kg mol^–1 , the elevation in boiling point of this solution is

87.Which of the following statements is correct for a binary solution?

88.Which of the following represents correctly the changes in thermodynamic properties during the formation of 1 mol of an ideal binary solution.

89.. Consider the following statements.

1.Isotonic solutions have the same molar concentration at a given temperature.

2.The molal elevation constant K_b is characteristic of a solvent, and is independent of the solute added.

1. 3.The freezing point of a 0.1 M aqueous KCl solution is more than that of a 0.1 M aqueous AlCl₃ solution.

Which of these statements is correct?

90.

Choose the correct option.