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Human Reproduction

397 Questions Start Errorless Test
All Exams Allen Errorless
Q351 Errorless 8. Neurulation and Organogenesis MCQ
Proctodaeum in rabbit is
A.
A part of large intestine lined by ectoderm
B.
A part of large intestine lined by endoderm
C.
A part of large intestine lined by mesoderm
D.
Embryonic intestine
Q352 Errorless 10. Placenta MCQ
The following figure refers to the human foetus within the uterus. Identify A to D correctly
A.
A - Uterine, B - Yolk sac, C - Umbilical cord, D - Cervix
B.
A - Placenta, B - Amnion, C - Umbilical cord, D - Cervix
C.
A - Placenta, B - Yolk sac, C - Umbilical cord, D - Vagina
D.
A - Placenta, B - Yolk sac, C - Umbilical cord, D - Cervix
Q353 Errorless 10. Placenta MCQ
Which one of the following develops from the trophoblast
A.
Placenta
B.
Allantois
C.
Epidermis of the skin
D.
Yolk sac
Q354 Errorless 10. Placenta Numerical
Placenta is the region, where
(a) Foetus is supplied by maternal blood (b)Embryo is attached to mother by umbilical cord (c) Foetus receives maternal blood and nutrition (d) Embryo is enclosed by membranes
Q355 Errorless 11. Gestation period and parturition MCQ
In a human foetus the limbs and digits develop after
A.
12 weeks
B.
First trimester
C.
5th month
D.
8 weeks
Q356 Errorless 11. Gestation period and parturition MCQ
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy
A.
Third month
B.
Fourth month
C.
Fifth month
D.
Sixth month
Q357 Errorless 12. NCERT(Exemplar Questions) MCQ
Choose the incorrect statement from the following [NCERT]
A.
In birds and mammals internal fertilisation takes place
B.
Colostrum contains antibodies and nutrients
C.
Polyspermy in mammals is prevented by the chemical changes in the egg surface
D.
In the human female implantation occurs almost seven days after fertilisation
Q358 Errorless 12. NCERT(Exemplar Questions) MCQ
Identify the correct statement from the following
A.
High levels of estrogen triggers the ovulatory surge
B.
Oogonial cells start to proliferate and give rise to functional ova in regular cycles from puberty onwards
C.
Sperms released from seminiferous tubules are highly motile
D.
Progesterone level is high during the post ovulatory phase of menstrual cycle
Q359 Errorless 12. NCERT(Exemplar Questions) MCQ
Spot the odd one out from the following structures with reference to the male reproductive system
A.
Rete testis
B.
Epididymis
C.
Vasa efferentia
D.
Isthmus
Q360 Errorless 12. NCERT(Exemplar Questions) MCQ
Seminal plasma, the fluid part of semen, is contributed by
(i) Seminal vesicle
(ii) Prostate gland
(iii) Urethra
(iv) Bulbourethral gland Options
A.
i and ii
B.
i, ii and iv
C.
ii, iii, and iv
D.
i and iv
Q361 Errorless 12. NCERT(Exemplar Questions) MCQ
Spermiation is the process of the release of sperms from
A.
Seminiferous tubules
B.
Vas deferens
C.
Epididymis
D.
Prostate gland
Q362 Errorless 12. NCERT(Exemplar Questions) MCQ
Mature Graafian follicle is generally present in the ovary of a healthy human female around [NCERT]
A.
5 – 8 day of menstrual cycle
B.
11 –17 day of menstrual cycle
C.
18 – 23 day of menstrual cycle
D.
24 – 28 day of menstrual cycle
Q363 Errorless 12. NCERT(Exemplar Questions) Numerical
Acrosomal reaction of the sperm occurs due to
(a) Its contact with zona pellucida of the ova (b)Reactions within the uterine environment of the female (c) Reactions within the epididymal environment of the male (d) Androgens produced in the uterus
Q364 Errorless 12. NCERT(Exemplar Questions) MCQ
Which one of the following is not a male accessory gland
A.
Seminal vesicle
B.
Ampulla
C.
Prostate
D.
Bulbourethral gland
Q365 Errorless 12. NCERT(Exemplar Questions) MCQ
The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above
A.
Spermatogonia have 46 chromosomes and always undergo meiotic cell division
B.
Primary spermatocytes divide by mitotic cell division
C.
Secondary spermatocytes have 23 chromosomes and undergo second meiotic division
D.
Spermatozoa are transformed into spermatids
Q366 Errorless 12. NCERT(Exemplar Questions) MCQ
Match between the following representing parts of the sperm and their functions and choose the correct option Column I Column II
Column-IColumn-II
(A)Head
(B)Middle piece
(C)Acrosome
(D)Tail
(P)Enzymes
(Q)Sperm motility
(R)Energy
(S)Genetic material
A.
A-Q, B-R, C-P, D-Q
B.
A-S, B-R, C-P, D-Q
C.
A-S, B-R, C-Q, D-P
D.
A-Q, B-S, C-P, D-R
Q367 Errorless 12. NCERT(Exemplar Questions) MCQ
Which among the following has 23 chromosomes
A.
Spermatogonia
B.
Zygote
C.
Secondary oocyte
D.
Oogonia
Q368 Errorless 12. NCERT(Exemplar Questions) MCQ
Match the following and choose the correct options Column I With Column II
Column-IColumn-II
(A)Head
(B)Middle piece
(C)Acrosome
(D)Tail
(P)Enzymes
(Q)Sperm motility
(R)Energy
(S)Genetic material
A.
A-Q, B-R, C-P, D-Q
B.
A-S, B-R, C-P, D-Q
C.
A-S, B-R, C-Q, D-P
D.
A-Q, B-S, C-P, D-R
Q369 Errorless 12. NCERT(Exemplar Questions) MCQ
Which of the following hormones is not secreted by human placenta
A.
hCG
B.
Estrogens
C.
Progesterone
D.
LH
Q370 Errorless 12. NCERT(Exemplar Questions) MCQ
The vas deferens receives duct from the seminal vesicle and opens into urethra as
A.
Epididymis
B.
Ejaculatory duct
C.
Efferent ductule
D.
Ureter
Q371 Errorless 12. NCERT(Exemplar Questions) MCQ
Urethral meatus refers to the
A.
Urinogenital duct
B.
Opening of vas deferens into urethra
C.
External opening of the urinogenital duct
D.
Muscles surrounding the urinogenital duct
Q372 Errorless 12. NCERT(Exemplar Questions) MCQ
Morula is a development stage
A.
Between zygote and blastocyst
B.
Between the blastocyst and gastrula
C.
After the implantation
D.
Between implantation and parturition
Q373 Errorless 12. NCERT(Exemplar Questions) MCQ
Identify the odd one from the following
A.
Labia minora
B.
Fimbriae
C.
Infundibulum
D.
Isthmus
Q374 Errorless 13. Critical Thinking MCQ
The figure given below shows the self - regulating effect of testosterone. Which option in the following table correctly identifies the terms missing from circles A and B [NCERT]
A.
Circle A – Increased secretion of ICSH, Circle B – Decreased secretion of ICSH
B.
Circle A – Decreased secretion of FSH, Circle B – Increased secretion of FSH
C.
Circle A – Increased secretion of FSH, Circle B – Decreased secretion of FSH
D.
Circle A – Decreased secretion of ICSH, Circle B – Increased secretion of ICSH
Q375 Errorless 13. Critical Thinking MCQ
Meiotic division of the secondary oocyte is completed
A.
At the time of fusion of a sperm with an ovum
B.
Prior to ovulation
C.
At the time of copulation
D.
After zygote formation