Cell division that occurs in zygote is called
meiosis
Mitosis
Cleavage
Differentiation
Correct Answer :
C. Cleavage
Related Questions
Human placenta is
Endothelial
Haemochorial
Epitheliochorial
Syndesmochorial
Which cells provide nutrition to the sperms?
Sertoli cells
Leydig cells
Crypt cells
Semniferous tubules
Immediately after ovulation, the ovum is covered by a membrane called
Chorion
Zona pellucida
Corona radiata
Vitelline membrane
Which layer of embryo is formed first
ectoderm
Mesoderm
Endoderm
Mesenchyma
The gonadotropic hormones are secreted by
Anterior pituitary
Posterior pituitary
Adrenals
Ovaries
What are the chances of a normal fertile couple having a baby in one year?
40%
80%
20%
50%
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.
Increase in basal body temperature in the middle of menstrual cycle is a sign of
Fertilization
Onset of menstruation
Menopause
Ovulation
The most important region of the decidua for the nourishment of the conceptus is the deciduas
Frondosum
Capsularis
Parietalis
Basalis
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
Part of sperm that passes into ovum is
Tail
Acrosome
Head
Head, neck and middle piece
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
Hormones that control the growth and maturation of graffian follicle is
FSH - LH
FSH - ICSH
ACTH - LH
GH - ADH
The pre fertilisation process stage of sperm before entry into the ovum is called as
Maturation
Insemination
Capacitation
Fertilization
Chorionic gonadotropin is secreted by ...
Pituitary
Ovary
Placenta
Uterus
What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
Unusually tall
Abnormal growth of facial and body hair
Abnormal voice
Short stature
Cu ions released from copper-releasing intra uterine devices (iuds)
Prevent ovulation
Suppress sperm motility
Prevents implantation of embryo
Kills sperms
After fertilization, implantation of human embryo takes place on
10 th day
14 th day
7 th day
3 rd day
Level of estrogen and progesterone are minimum at the time of
Follicular phase
Ovulation
Secretory phase
Onset of menstrual phase
Epididymis is ...
A long coiled tube between vasa efferentia and vas deferens
Network of sinuses between seminiferous tubules and efferentia
Connection between vas deferens and seminal vesicle
Intermediate structure between the testis and vasa efferentia
In human embryo, the digestive system develops from the
Epithelium
Mesoderm
Endoderm
Ectoderm
The number of chromosomes present in sperms
46
23
23 + X
23+ Y
Name the pituitary hormone that regulates sertoli cells
Prolactin
LH
FSH
Oxytocin
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
Villi of human placenta develop from ..
Chorion
Allantois
Yolk sac
Amnion
A genetically diseased father (male) marries with a normal female and gives birth to 3 carrier girls and 5 normal sons. Find out the type of genetic disease.
Sex-influenced disease
Blood group inheritance disease
Sex-linked disease
Sex-recessive disease
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
Mongolian idiocy due to trisomy in 21st chromosome is known as
Downs syndrome
Turners syndrome
Klinefelters syndrome
Triple x syndrome
Which of the following statements is most correct about the human menstrual cycle.
The menstrual cycle in all women is a 28 day cycle
Ovulation always occurs at the midpoint of the menstrual cycle
A high body temperature indicates ovulation is occurring
The menstrual cycle is an endocrine cycle regulating reproductive physiological changes
Medical termination of pregnancy is safe till how many weeks of pregnancy?
10 weeks
12 weeks
20 weeks
22 weeks