CBSE Questions for Class 12 Medical Biology Human Reproduction Quiz 4 - MCQExams.com

The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which of the following hormones?
  • Oxytocin
  • FSH and LH
  • ACTH
  • ICSH
What will happen to spermatozoa at 0$$^{\circ}\!$$ C temperature?
  • All sperm will die
  • There will be no change
  • They will become inactive temporarily
  • Tails will be lost
Sertoli cells provide nutrition to sperm mainly in form of
  • Glucose
  • Fat
  • Glycogen
  • Protein
Cell - division in zygote is called as
  • Cleavage
  • Segmentation
  • Cellulation
  • All of the above
Acrosome formation in spermatogenesis occurs in which stage?
  • First meiotic division
  • Second meiotic division
  • Growth phase
  • Spermiogenesis
Acrosome of spermatozoa is formed from
  • Lysosomes
  • Golgi bodies
  • Ribosome
  • Mitochondria
Outer coat of seminiferous tubules is composed of fibrous connective tissue called as
  • Tunica propria
  • Lamina propria
  • Plica semilunaris
  • Both A and B
At which stage of spermatogenesis, sperm acquire their whole structural maturity and they contain a haploid nucleus and other organs?
  • Spermiogenesis
  • Growth phase
  • Multiplication phase
  • Maturation phase
Vasa-efferentia possess
  • Peristalsis
  • Secretory cells
  • Ciliated cells
  • None of the above
During embryonic development, the formation of a neural tube is known as
  • Neurulation
  • Neurogenesis
  • Tubulation
  • Notogenesis
Which of the following undergoes spermiogenesis?
  • Spematids
  • Spermatogonia
  • Primary spermatocytes
  • Secondary spermatocytes
How many sperms are formed by one primary spermatocyte?
  • 4
  • 3
  • 2
  • 1
Vas deferens arises from
  • Cauda epididymis
  • Caput epididymis
  • Corpus epididymis
  • Rete testis
Scrotum communicates with abdominal cavity through
  • Urethra
  • Inguinal canal
  • Vas-deferens
  • Epididymis
Fixing up of the blastocyst in the wall of the uterus is known as
  • Fertilization
  • Implantation
  • Impregnation
  • Placentation
Location and secretion of Leydig cells are
  • Liver - Cholestrol
  • Ovary - Oestrogen
  • Testis - Testosterone
  • Pancreas - Glucagon
Sustentacular cells are found in
  • Testis of mammal
  • Ovary of mammal
  • Testis of Ascaris
  • Pancreas of frog
In between spermatogonia................ are found.
  • Germinal cells
  • Sertoli cells
  • Epithelial cells
  • Lymph space
Seminal vesicle is present at the junction of 
  • Prostate and urethra
  • Prostate and vas-deferens
  • Prostate and Cowper's gland
  • Vas-deferns and testis
The functional unit of  the testis of man is
  • Uriniferous tubules
  • Malpighian tubules
  • Seminiferous tubules
  • Acini or lobules
Greater development of sperms in rabbit takes place in
  • Testes
  • Vasa efferentia
  • Epididymis
  • Spermatic cord
Scrotal sacs of man and rabbit are connected with the abdominal cavity by
  • Inguinal canal
  • Haversian canal
  • Vagina cavity
  • Spermatic canal
Lutein cells are found in
  • Primary follicle
  • Corpus albicans
  • Corpus luteum
  • All of the above
Number of prostate glands in rabbit is
  • One
  • Two
  • Many
  • None of the above
Cells of Leydig occur in
  • Liver
  • Ovary
  • Testis
  • Spleen
The endocrinal structure formed after ovulation (release of ovum from Graafian follicle) is
  • Corpus albicans
  • Corpus callosum
  • Corpus luteum
  • Corpus striatum
Degenerative process of follicles or eggs in ovary is called as
  • Metagenesis
  • Atresia
  • Regression
  • None of the above
Sugar fructose is present in the secretion of
  • Seminal vesicle
  • Perineal gland
  • Cowper's gland
  • Bartholin's gland
If the epididymis is not present then what will happen?
  • Life cycle of sperms will be short.
  • Sperms cross the whole pathway at early stage.
  • Functional maturation is early.
  • Sperm will be incapable for fertilization.
Antrum is filled with fluid and is found in
  • Bone marrow
  • Cavity of brain
  • Graafian follicle of ovary
  • Pericardium of heart
Graffian follicles are found in
  • Testis of mammal
  • Ovary of frog
  • Ovary of cockroach
  • Ovary of mammals
During differentiation the spermatids remain associated with
  • Leydig's cells
  • Kupffer's cells
  • Spermatogonia
  • Sertoli cell
Spermatozoa are nourished during their development by
  • Sertoli cells
  • Interstitial cells
  • Connective tissue cells
  • None of the above
Process by which Graafian follicles are formed in the ovary is known as
  • Oogenesis
  • Luteinisation
  • Folliculogenesis
  • All of the above
Mammalian follicle was first described by
  • Leeuwenhoek
  • Regnier de Graaf
  • Spallanzani
  • Karl Ernst von Baer
A gland associated with the male reproductive organs of mammals is
  • Phallic gland
  • Prostate gland
  • Bartholin gland
  • Mushroom gland
Which of the following is not the part of intratesticular genital duct system?
  • Rete testis
  • Tubuli recti
  • Vas deferens
  • None of the above
Which of the following releases inhibin to control spermatogenesis?
  • Rete testis
  • Follicular cells
  • Leydig's cells
  • Sustentacular cells
Spermatogenesis and sperm differentiation are under the control of 
  • FSH
  • LH
  • Progesterone
  • Parathyroid hormone
Which set is related?
  • Corpus leuteum - Graafian follicle
  • Sebum - sweet
  • Bundle of His - Pace macker
  • Vit $${ B }_{ 7 }$$ - Niacin
Loss of reproductive capacity in women after age of 45 years is termed as
  • Menstruation
  • Ageing
  • Menopause
  • Menarche
Which of the following statement defines atretic follicle?
  • It is not developed completely and degenerate.
  • It is also known as corpus lutem.
  • It is excluded its oocytes.
  • None of the above.
Which is unpaired gland in male reproductive system of human?
  • Bartholin gland
  • Seminal vesicle
  • Prostate gland
  • Cowper's gland
In mammals, corpus luteum is found in which organ?
  • Brain
  • Ovary
  • Liver
  • Eyes
After ovulation, the follicles convert into
  • Corpus luteum
  • Corpus albicans
  • Corpus cavernosum
  • Corpus callosum
In mammals, maturation of sperms take place at a temperature
  • Equal to that of body
  • Higher than that of body
  • Lower than that of body
  • Very much higher than the body temperature
Spermatogenesis process occur in
  • Rete testis
  • Seminiferous tubules
  • Septula testis
  • Mediastinum testis
In rabbit, the head of epididymis present at head of testis is known as
  • Caput epididymis
  • Cauda epididymis
  • Vas deferens
  • Gubernaculum
Which is not correct about sustentacular cells?
  • It is situated in between the germinal epithelial cells.
  • It is related with nutrition of sperm.
  • It forms blood testis barrier.
  • It forms testosterone from oestrogen.
Prostate gland produces a secretion for
  • Attracting sperms
  • Stimulating sperm activity
  • Attracting eggs
  • None of the above
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