1.Spermatogonia are aligned inside the

2.Leydig cells are located at

3.Find out the wrong statement from the following

4.Foreskin is the outer covering of

5.Lubrication of penis is facilitated by the secretion of

6.The primary female sex organ is

7.Ovarian stroma is enclosed by

8.The ova would not be able to prepare for fertilization if it is not collected after the ovulation by

9.

Identify the A in the above diagram

10.Leydig cells response to the stimulus from

11.The most essential feature that sperm should possess for a successful fertilization, that is

12.The hormone that maintains the functions of the male accessory ducts and glands is

13.The first theca appears in the

14.Which pituitary hormone level attains a pick during ovulation

15.Which layer of ovum blocks the entry of additional sperms?

16.Ootid refers to

17.The female homologue of the scrotum is the

18.Match the following columns regarding Fallopian Tube: –

Column – A                                       Column – B

            (I)        Ampulla                                  (i)        Wide lumen

            (II)       Isthmus                                   (ii)       Closest to ovary

            (III)     Infundibulum                          (iii)      Closest to uterus

19.Number of testicular lobules in each testis is about: –

20.All of the following are parts of female external genitalia except : –

21.Which statement is wrong about menstrual hygiene : –

22.Formation of Chorionic Villi occurs after : –

23.True statements regarding Parturition are : –

            (i)        Foetal ejection reflex is induced by Oxytocin.

            (ii)       Oxytocin leads to stronger uterine contraction.

(iii)Uterine contraction stimulates Oxytocin secretion.

24.Hormones produced in women only during pregnancy are all except : –

25.Match the events of fetus with the time-table of pregnancy: –

                        Events                                                             Time-table

(I)  Eyelids get separated             (i)        12 weeks

(II) Digits start developing (ii)       24 weeks

(III) Hair on head is formed (iii)      5^th month

(IV)  External genitalia developed             (iv)      2^nd month

26.Morula consists of 8 – 16 daughter cells generated from mitotic division of Zygote. These 8 – 16 daughter cells are called: –

27.  Sequential phases of Menstrual cycle are: –

28.New membrane formed by secondary oocyte surrounding itself is: –

29.For normal fertility, at least _______% sperms must have normal size and shape and at least _______% sperms must show vigorous motility.

30.The hormone marked by the arrow sign is:

31.A particle having charge q1 exerts F electrostatic force on charge q2 at rest. If a particle having charge q1/4 is placed midway between the line joining the two charges q1 and q2 then electrostatic force on q2 due to q1 will become/remain

32.A solid conducting sphere of radius ‘a’ has a net positive charge 2Q. A conducting spherical shell of inner radius b and outer radius c is concentric with the solid sphere and has a net charge −Q. The surface charge density on the inner and outer surfaces of the spherical shell will be

33.A ball with charge -50e is placed at the centre of a hollow spherical shell has a net charge of -50e. What is the charge on the shell’s outer surface?

34.Three concentric metallic spherical shells of radii R,2R,3R, are given charges Q1​,Q2​,Q3​, respectively. It is found that the surface charge densities on the outer surfaces of the shells are equal. Then, the ratio of the charges given to the shells, Q1​:Q2​:Q3​, is

35.Two equally charged identical small balls kept some fixed distance apart exert a repulsive force F on each other. A similar uncharged ball, after touching one of them is placed at the mid-point of line joining the two balls. Force experienced by the third ball is

36. Two equal point charges A and B are R distance apart. A third point charge placed on the perpendicular bisector at a distance ‘d’ from the Centre will experience maximum electrostatic force when

37.The force between two small charged spheres having charges of 1 × 10^–7 C and 2 × 10^–7 C placed 20 cm apart in air is

38.Two insulated charged metallic sphere P and Q have their centres separated by a distance of 60 cm. The radii of P and Q are negligible compared to the distance of separation. The mutual force of electrostatic repulsion if the charge on each is 3.2 × 10^–7 C is 

39.  Force between two identical charges placed at a distance of r in vacuum is F. Now a slab of dielectric of dielectric constant 4 is inserted between these two charges. If the thickness of the slab is r/2, then the force between the charges will become

40.Among two discs A and B, first have radius 10 cm and charge 10−6 μC and second have radius 30 cm and charge 10−5C. When they are touched, charge on both qA​ and qB​ respectively will be :

41.Two equal point charges each of 3μC are separated by a certain distance in metres. If they are located at (i+j+k) and (2i+3j+k), then the electrostatic force between them is

42.An electric dipole is placed at an angle of 30° to a non-uniform electric field. The dipole will experience

43.A rod of length 2.4 m and radius 4.6 mm carries a negative charge of 4.2 × 10^–7 C spread uniformly over it surface. The electric field near the mid–point of the rod, at a point on its surface is

44.If electric field in a region is radially outward with magnitude E = Ar, the charge contained in a sphere of radius r centred at the origin is

45.The insulation property of air breaks down when the electric field is 3 × 10⁶ Vm^–1. The maximum charge that can be given to a sphere of diameter 5 m is approximately

46.ABC is a equilateral triangle . Charges +q are placed at each corner as shown in figure. The electric intensity at centre O will be

47.The electric intensity due to a dipole of length 10 cm and having a charge of 500 μC, at a point on the axis at a distance 20 cm from one of the charges in air, is

48.If the dipole of moment 2.57 × 10^–17 cm is placed into an electric field of magnitude 3.0 × 10⁴ N/C such that the fields lines are aligned at 30° with the line joining P to the dipole, what torque acts on the dipole?

49.A metallic sphere is placed in a uniform electric field. The line of force follow the path (s) shown in the figure as

50.Three infinitely long charge sheets are placed as shown in the figure. The electric field at point P is going to be

51..For a given surface the Gauss’s law is stated as ∫E.ds=0. From this we can conclude that :

52.Electric charges are distributed in a small volume. The flux of the electric field through a spherical surface of radius 1 m surrounding the total charge is 100 V-m. The flux over the concentric sphere of radius 2 m will be

53.A hollow cylinder has a charge q coulomb within it. If ϕ is the electric flux in units of voltmeter associated with the curved surface B, the flux linked with the plane surface A in units of voltmeter will be

54.The electric field in a region of space is given by E = 5i +2j N/C. The electric flux due to this field through an area 2m^2 lying in the YZ plane, in S.I unit, is

55.An electric dipole is put in north-south direction in a sphere filled with water. Which statement is correct?

56.The Gaussian surface

57. Select the correct statements, Coulomb’s law correctly describes the electric force that

I.binds the electrons of an atom to its nucleus.
II. Binds the protons and neutrons in the nucleus of an M atom.
III. Binds atoms together to form molecules.

58.Identify which of the above shown graphs represents the force between two electrons Vs distance between them?

59.Assertion: The properties that the force with which two charges attract or repel each other are not affected by the presence of a third charge.
Reason: Force on any charge due to a number of other charge is the vector sum of all the forces on that charge due to other charges, taken one at a time.

60.The force of repulsion between two electrons at a certain distance is F. The force between two protons separated by the same distance is (m_p=1836_me)

61.Which of the following statement is incorrect for ethylene dichloride and ethylidene chloride?

62.1-methylcyclohexene on addition of HCl produces

63.The synthesis of alkyl fluorides is best accomplished by,

64.Among the bromides I-III given below, the order of reactivity of S_N1 reaction is:

65.

Select the major product and path of mechanism of given reaction:

66.Which chlorine is most easily replaced under nucleophilic attack?

67.Which of the following alkyl halide is respectively most and least electrophilic in S_N1 reaction?

68.What is/are expected solvolysis product(s) in the following reaction?

69.Consider the following reaction:

The product formed in the reaction is:

70.Which is the possible product in following?

71.The conversion of benzene diazonium chloride to bromobenzene can be accomplished by

72.Determine the major product of the following reaction

73.Which of the following is true about the graph A and B?

74.What is the product B of the given reaction?

75.Consider the two lines shown in the diagram given below:

Which of the following apply appropriately to a S_N2 reaction?

76.

S_N2 product of the reaction is:

77.Conversion of I to II:

78. Product obtained the following reactions (1), (2), (3) are:

79.The major product of the following reaction is:

80.4-chloro-1-butanol + NaOH→(B). Product (B) of the reaction is:

81.Addition of KI accelerates the hydrolysis of primary alkyl halides because:

82.Which of the following phrases are NOT correctly associated with S_N1 reaction?

1.Rearrangement is possible

2.Rate is affected by polarity of solvent

3.The strength of the nucleophile is important in determining rate

4.The reactivity series is 3^o>2^o>1^o

5.Proceeds with complete inversion of configuration

83.

Hexachloroethane is also called,

84.

The product (A) is:

85.Positive Bielsteins’s test for halogens shows that

86. Major product of the following reaction is:

87.Identify the correct reaction to the synthesis of the following compound from cyclopentane

88. In the dehydrohalogenation of 2-brombutane which conformation leads to the formation of cis-2-butene?

89.Which one of the following is least susceptible to elimination of hydrogen bromide?

90.Among the given pairs, in which pair first compound reacts faster than second compound in S_N1 reaction?