In which phase of menstrual cycle ovulation occurs in
Luteal
Menstrual
Proliferative
Secretory
Correct Answer :
C. Proliferative
Related Questions
Approximately how long does it take for a spermatocyte to complete its differentiation into a spermatozoan in the testis?
7 days
70 days
7 months
70 hours
Human eggs are
Mesolecithel
Microlecithel
Macrolecithel
Alecithel
The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:
Capacitor
Head
Corona
Acrosome
In infertility treatment the ovum is fertilized outside the body and injected into the uterus
Gamete intra fallopian transfer
Invitro fertilization
Intra uterine insemination
Zygote intra fallopian transfer
Corpus luteum secretes
Lh
Estrogen
Progesterone
Fsh
Fertilization is fusion of ..
Diploid spermatozoan with diploid ovum to form diploid zygote
Haploid spermatozoan with diploid ovum to form diploid zygote
Diploid spermatozoan with haploid ovum to form diploid zygote
Haploid spermatozoan with haploid ovum to form diploid zygote
Pregnancy is ascertained by
Insemination
Copulation
Implantation
Capacitation
Correct sequence in embryonic development is ..
Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula
Fertilization -> zygote -> cleavage -> blastula -> morula -> gastrula
Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula
Fertilization -> zygote -> gastrulae -> morula -> blastula -> cleavage
Pregnancy test is confirmed by the presence of
Prolactin in urine
Relaxin in urine
H c g in urine
Fsh and lh in urine
Failure of the brain to grow in the foetus may result in:
Plagiocephaly
Craniostenosis
Anencephaly
Microcephaly
Tunica albuginea is related to
Prostate gland
Pituitary gland
Hypothalamus
Testes
What is the best sperm extraction technique for men with obstructive azoospermia?
TESE - Microsurgical testicular sperm extraction
Percutaneous Epididymal Sperm Aspiration (PESA)
Intra cytoplasmic sperm injection ( ICSI)
Fine needle aspiration
Sickle cell anaemia induce to
Change of amino acid in a- chain of haemoglobin
Change of amino acid in b- chain of haemoglobin
Change of amino acid in both a and b chains of haemoglobin
Change of amino acid either a or b chains of haemoglobin
Sertoli cells are found in
Seminiferous tubules
Ovaries
Prostate gland
Semen
The middle piece of the sperm contains
Protein
Nucleus
Mitochondria
Centriole
Albinism is a congenital disorder resulting from the lack of which enzyme?
Tyrosinase
Xanthine oxidase
Catalase
Fructokinase.
A marriage between man with normal vision and colour blind woman will give birth to
Colour blind sons and 50% carrier daughter
50% colourblind sons and 50% carrier daughter
Normal males and carrier daughters
Colour blind sons and carrier daughters.
Human embryo is enclosed by a sac called
Scrotum
Ericardium
Placenta
Amniotic sac
After fertilization, implantation of human embryo takes place on
10 th day
14 th day
7 th day
3 rd day
Correct sequence of hormone secretion from beginning of menstruation is ...
FSH, progesterone, estrogen
Estrogen, fsh, progesterone
FSH, estrogen, progesterone
Estrogen, progesterone, FSH
What are the chances of a normal fertile couple having a baby in one year?
40%
80%
20%
50%
During ovulation, for favourable sperm travel oestrogen causes
Cervical mucus to become stretchy and clear
Less cervical mucus production
Tenderness of cervix
Slight vaginal bleeding
The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
Blastulation
Neurulation
Gastrulation
Organogenesis
Which of the following is not a hereditary disease?
Cystic fibrosis
Thalassaemia
Haemophilia
Cretinism
Human female reaches menopause at the age of about ...
25 years
35 years
50 years
70 years
In a semen analysis, the following is not acceptable as normal�
25 % abnormal forms
60% motility after 3 hours
Mild Alkaline reaction
Sperm count of 17 million per ml.
Ovulation occurs under the influence of high titre of
LH
FSH
Estrogen
Progesterone
Pregnancy can be detected as early as on
28 th day of cycle
8th week
40 th day of the cycle
10 th week
Name the pituitary hormone that regulates sertoli cells
Prolactin
LH
FSH
Oxytocin
The rate of active movement of sperm is ...
1.5 -3.0 mm/min
1.5 - 3.0 cm/min
1.5 -3.0 m/min
1.5 -3.0 m/hr