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In the male human being, sperms contain autosomes and
1. Only one Y-chromosome
2. Only one X-chromosome
3. Both X and Y-chromosome
4. Either X or Y-chromosome

The tunica abluginea is a covering around the
1. Uterous
2. Testes
3. Epididymus
4. Scrotal sacs

Which of the following is characteristic for identifying the structure of the mammalian testis?

The number of spermatozoa, a single primary spermatocyte ultimately produces in spermatogenesis, is 
(1) Eight
(2) Four
(3) Two
(4) One

In the vertebrates testes, for nourishment during spermiogenesis, the spermatids get attached to

In man the vas deferencs emerges from
1. Cauda epididymis
2. Caput epididymis
3. Corpora cavernosa
4. Glomus major

Follicular atresia is

The menstrual cycle begins with the casting off of

Graafian follicle of ovary secretes which hormone
1. Cortisone
2. Relaxin
3. Progesterone
4. None of these

Human milk differs from cow's milk in that it contains:

The correct statement, among the following, regarding [Mn(CN)₆]^3- is:
1. It is sp³d² hybridised and octahedral in shape
2. It is sp³d² hybridised and tetrahedral in shape
3. It is d²sp³ hybridised and octahedral in shape
4. It is dsp² hybridised and square planar in shape

Which of the following has square planar structure?
1. [NiCl₄]^2-
2. [Ni(CO)₄]
3. [Ni(CN)₄]^2-
4. None of these

$\mathrm{Out}<mspace\; width="1em"></mspace>\mathrm{of}<mspace\; width="1em"></mspace>{\mathrm{TiF}}_6^{2-},<mspace\; width="1em"></mspace>{\mathrm{CoF}}_6^{3-},<mspace\; width="1em"></mspace>{\mathrm{Cu}}_2{\mathrm{Cl}}_2<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{NiCl}}_4^{2-}$ (At. no. Z of Ti = 22, CO = 27, Cu = 29, Ni = 28), the colourless species are
(a) ${\mathrm{TiF}}_6^{2-}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{CoF}}_6^{3-}$
(b) ${\mathrm{Cu}}_2{\mathrm{Cl}}_2<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{NiCl}}_4^{2-}$$$
(c) ${\mathrm{TiF}}_6^{2-}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{Cu}}_2{\mathrm{Cl}}_2$
(d) ${\mathrm{CoF}}_6^{3-}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{\mathrm{NiCl}}_4^{2-}$

If excess of AgNO₃ solution is added to 100ml of 0.024M Solution of dichlorobis(ethylene diamine) cobalt(III)Chloride, How many moles of AgCl will be precipitated?
1. 0.0012
2. 0.0016
3. 0.0024
4. 0.0048

Amplitude of two waves is expressed in terms of their intensity as
The ratio of maximum intensity to minimum intensity of resultant wave from above two waves is
(1) 
(2) 
(3) 
(4) 

Two waves are given:
${\mathrm{y}}_1=\mathrm{a}<mspace\; width="1em"></mspace>\sin <mspace\; width="1em"></mspace>\left(\mathrm{wt}\right)$
and
${\mathrm{y}}_2=\mathrm{a}<mspace\; width="1em"></mspace>\sin <mspace\; width="1em"></mspace>\left(\mathrm{wt}+\frac{\mathrm{\pi }}{3}\right)$
Intensity of both the waves = I. Intensity of resultant wave obtained due to superposition of the waves is:
1. I
2. 2 I
3. 3 I
4. 4 I

Complete Young's Double Slit Apparatus is immersed in water. Which of the following statements is true:
1. Fringe width would increase
2. Fringe width would remain the same
3. Fringd Width would decrease
4. None of the above

In Young’s Double Slit Experiment, following values are observed:
D = 1 meter (distance between double slit plane and screen)
d = 1 mm (distance between slits)
λ= 1/3 mm (wavelength of input light)
Find the distance of 2nd bright fringe from the centre of the screen?
(1) + 2/√5 meter
(2) - 2/√5 meter
(3) 89 cm
(4) All of the above

In Young's Double Slit Experiment, what will happen to fringe width if yellow light is replaced by red light.
1. Fringe width will increase
2. Fringe width will decrease
3. Fringe width will become zero
4. None of the above
 

EAN of Fe in K₃[Fe(CN)₆] is
1. 34
2. 35
3. 36
4. 47