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
Correct Answer :
A. Cervical mucus to become stretchy and clear
Related Questions
Cu ions released from copper-releasing intra uterine devices (iuds)
Prevent ovulation
Suppress sperm motility
Prevents implantation of embryo
Kills sperms
Acrosome of sperm contains ...
Hyaluronidase and acrosin
Hyaluronic acid and acrosin
Hippuric acid and uric acid
Testosterone
In which phase of menstrual cycle ovulation occurs in
Luteal
Menstrual
Proliferative
Secretory
What is the name of the inner lining of the uterus?
Myometrium
Endometrium
Epithelium
Endothelium
The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
Blastulation
Neurulation
Gastrulation
Organogenesis
What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
Unusually tall
Abnormal growth of facial and body hair
Abnormal voice
Short stature
Which layer of embryo is formed first
ectoderm
Mesoderm
Endoderm
Mesenchyma
Cri-du-chat syndrome in humans is caused by the
Trisomy of 21st chromosome
Fertilization of an xx egg by a normal y-bearing sperm
Loss of half of the short arm of chromosome 5
Loss of half of the long arm of chromosome 5
The gonadotropic hormones are secreted by
Anterior pituitary
Posterior pituitary
Adrenals
Ovaries
Identical twins are also known as ..
monozygotic twins
Dizygotic twins
Fraternal twins
Zygotic twins
The number and appearance of chromosomes in the nucleus of a eukaryotic cell is called as
Karyotype
Genotype
Phenotype
Cytogenetics
Name the pituitary hormone that regulates sertoli cells
Prolactin
LH
FSH
Oxytocin
Menstrual phase is followed by .
Luteal phase
Follicular phase
Fertilization
Implantation
Gestation period of 280 days is calculated from time of ...
Last menstruation
Fertilization
First day of last menstruation
Ovulation
Thick layer which surrounds the ovum is ...
Zona pellucida
Membrana granulosa
Corona radiata
Theca interna
Temperature in scrotum necessary for sperm formation is usually ...
2°c above body temperature
2° c below body temperature
4°c above body temperature
4° c below body temperature
Pregnancy is ascertained by
Insemination
Copulation
Implantation
Capacitation
Increase in basal body temperature in the middle of menstrual cycle is a sign of
Fertilization
Onset of menstruation
Menopause
Ovulation
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.
Human female reaches menopause at the age of about ...
25 years
35 years
50 years
70 years
Normal sperm count is
40 to 300 million per ml
10 to 20 million per ml
< 10 million per ml
200 million per ml
Villi of human placenta develop from ..
Chorion
Allantois
Yolk sac
Amnion
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.
Part of sperm that passes into ovum is
Tail
Acrosome
Head
Head, neck and middle piece
Human embryo is enclosed by a sac called
Scrotum
Ericardium
Placenta
Amniotic sac
The number of chromosomes present in sperms
46
23
23 + X
23+ Y
Corpus luteum secretes
Lh
Estrogen
Progesterone
Fsh
In humans female ovulation occurs during menstrual cycle
At the end of proliferative phase
At the beginning of proliferative phase
Before the end of secretary phase
In the middle of secretary phase
Medical termination of pregnancy is safe till how many weeks of pregnancy?
10 weeks
12 weeks
20 weeks
22 weeks
Erythroblastosis foetalis is caused by fertilization between the gametes of
Rh -ve female and rh+ ve male
Rh+ ve female and rh -ve male
Rh+ ve female and rh+ ve male
Rh~ ve female and rh -ve male