Human Reproduction

247 Questions Start Allen Test
Q201 Allen 12. ANALYTICAL QUESTIONS MCQ
Given below are two statements: Statement-I : The edge of the infundibulum posses finger like projections called fimbriae, which helps in collection of ovum after ovulation. Statement-II : Uterus is supported by tendons attached to the pelvic wall. In the light of the above statements, choose the most appropriate answer from the options given below:
A.
Both Statement-I and II both are incorrect.
B.
Statement-I is correct but statement-Il is incorrect.
C.
Statement-I is incorrect and Statement-Il is correct.
D.
Both Statement-I and Statement-II are correct.
Q202 Allen 12. ANALYTICAL QUESTIONS MCQ
How many secondary spermatocytes form 400 spermatozoa ?
A.
100
B.
400
C.
40
D.
200
Q203 Allen 12. ANALYTICAL QUESTIONS Match the Columns
Match the Column-I with Column-II.
Column-IColumn-II
(A)Mons pubis
(B)Labia majora
(C)Labia minora
(D)Clitoris
(I)Fleshy folds of tissue
(II)Paired folds of tissue
(III)Finger-like structure
(IV)Cushion of fatty tissue
A.
A-IV, B-I, C-II, D-III
B.
A-II, B-IV, C-I, D-III
C.
A-IV, B-II, C-I, D-III
D.
A-III, B-IV, C-II, D-I
Q204 Allen 12. ANALYTICAL QUESTIONS MCQ
At which stage of spermatogenesis, sperms acquire their whole structural maturity and now these contain a haploid nucleus & other organelles ?
A.
Spermiogenesis
B.
Growth phase
C.
Multiplication phase
D.
Maturation phase
Q205 Allen 12. ANALYTICAL QUESTIONS MCQ
How many sperms and ova are formed respectively from 50 secondary oocytes and 50 secondary spermatocytes in human ?
A.
50 ova and 200 sperm
B.
50 ova and 100 sperm
C.
100 ova and 200 sperm
D.
100 ova and 400 sperm
Q206 Allen 12. ANALYTICAL QUESTIONS MCQ
Human egg has :-
A.
one Y-chromosome
B.
one X-chromosome
C.
two Y-chromosome
D.
one X-chromosome and one Y-chromosome.
Q207 Allen 12. ANALYTICAL QUESTIONS MCQ
Given below are two statements: Statement-I : LH act on leydig cells and stimulates synthesis and secretion of androgens. Statement-II : FSH acts on the sertoli cells and stimulates secretion of some factors which help in the process of spermiogenesis In the light of the above statements, choose the most appropriate answer from the options given below:
A.
Both Statement-I and II both are incorrect.
B.
Statement-I is correct but statement-Il is incorrect.
C.
Statement-I is incorrect and Statement-Il is correct.
D.
Both Statement-I and Statement-II are correct.
Q208 Allen 12. ANALYTICAL QUESTIONS MCQ
Oocyte is liberated from ovary under the influence of LH, after completing :
A.
meiosis and before liberating polar bodies
B.
meiosis I and before liberating second polar body
C.
meiosis
D.
meiosis II after release of first polar body
Q209 Allen 12. ANALYTICAL QUESTIONS MCQ
Extrusion of second polar body from egg nucleus occurs :-
A.
after entry of sperm but before completion of fertilization
B.
after completion of fertilization
C.
before entry of sperm
D.
without any relation to sperm entry.
Q210 Allen 12. ANALYTICAL QUESTIONS MCQ
If both ovaries are removed from human then level of which hormone is decreased in blood?
A.
Oxytocin
B.
Prolactin
C.
Estrogen
D.
Gonadotrophic releasing factor
Q211 Allen 12. ANALYTICAL QUESTIONS MCQ
In a 30 years old lady, eggs are released in the form of :-
A.
oogonia
B.
primary oocyte
C.
secondary oocyte
D.
atretic follicle
Q212 Allen 12. ANALYTICAL QUESTIONS MCQ
Phases in a menstrual cycle are :-
A.
Recovery phase and proliferative phase
B.
Proliferative phase and secretory phase
C.
Proliferative phase, secretory phase and menstrual phase
D.
Recovery phase, secretory phase and menstrual phase
Q213 Allen 12. ANALYTICAL QUESTIONS MCQ
After ovulation, follicles are converted into:-
A.
corpus luteum
B.
corpus albicans
C.
corpus cavernosa
D.
corpus callosum
Q214 Allen 12. ANALYTICAL QUESTIONS MCQ
In following structure, identify A & B and their respective functions. image.png
A.
1
B.
2
C.
3
D.
4
Q215 Allen 12. ANALYTICAL QUESTIONS MCQ
In a menstrual cycle, ovulation normally takes place :-
A.
at the end of proliferative phase
B.
at the mid of secretory phase
C.
just before the end of secretory phase
D.
at the beginning of the proliferative phase
Q216 Allen 12. ANALYTICAL QUESTIONS MCQ
In a menstrual cycle, hormones start increasing in which order from the beginning of menstruation ?
A.
FSH, progesterone, estrogen
B.
Estrogen, FSH, progesterone
C.
FSH, estrogen, progesterone
D.
Esterogen, progesterone, FSH
Q217 Allen 12. ANALYTICAL QUESTIONS MCQ
At the time of ovulation, the human egg is covered by a membrane called as :-
A.
chorion
B.
zona pellucida
C.
corona radiata
D.
Both (2) & (3)
Q218 Allen 12. ANALYTICAL QUESTIONS MCQ
How many cleavage divisions are required for the formation of 16 blastomeres ?
A.
2
B.
4
C.
6
D.
8
Q219 Allen 12. ANALYTICAL QUESTIONS MCQ
The blastomeres in the blastocyst are arranged into an outer layer called A , and inner group of cells attached to trophoblast called the B____. What are 'A' and 'B' respectively?
A.
trophoblast, inner cell mass
B.
inner cell mass, trophoblast
C.
chorion, amnion
D.
amnion, chorion
Q220 Allen 12. ANALYTICAL QUESTIONS MCQ
What is true about cleavage ?
A.
Nucleocytoplasmic ratio remains unchanged.
B.
Size of an embryo does not increase.
C.
There is less consumption of oxygen.
D.
The division is similar to meiosis.
Q221 Allen 12. ANALYTICAL QUESTIONS MCQ
What is true about cleavage in a fertilized egg of human?
A.
Cleavage require low O₂.
B.
It starts when egg reaches in uterus.
C.
It starts in fallopian tube.
D.
It is identical to normal mitosis.
Q222 Allen 12. ANALYTICAL QUESTIONS MCQ
Which type of cell division occurs during cleavage?
A.
Amitosis
B.
Mitosis
C.
Closed mitosis
D.
Meiosis
Q223 Allen 12. ANALYTICAL QUESTIONS MCQ
Fertilisation has following processes :-
(a) Plasmogamy (b) Karyogamy (c) Syngamy (d) Amphimixis Arrange these in correct sequence.
A.
a → b → c → d
B.
b → a → d → c
C.
c → a → b → d
D.
c → a → d → b
Q224 Allen 12. ANALYTICAL QUESTIONS MCQ
Correct sequence of embryonic development is :-
A.
Fertilization Zygote Cleavage Morula — Blastula — Gastrula
B.
Fertilization — Zygote Blastula Morula — Cleavage — Gastrula
C.
Fertilization Cleavage — Morula Zygote — Blastula Gastrula
D.
Cleavage Zygote Fertilization Morula — Blastula Gastrula
Q225 Allen 12. ANALYTICAL QUESTIONS MCQ
The lytic enzyme present in semen is :-
A.
ligase
B.
estrogenase
C.
androgenase
D.
hyaluronidase