Human embryo is enclosed by a sac called
Scrotum
Ericardium
Placenta
Amniotic sac
Correct Answer :
D. Amniotic sac
Related Questions
Pregnancy test is confirmed by the presence of
Prolactin in urine
Relaxin in urine
H c g in urine
Fsh and lh in urine
What are the chances of a normal fertile couple having a baby in one year?
40%
80%
20%
50%
Identical twins are also known as ..
monozygotic twins
Dizygotic twins
Fraternal twins
Zygotic twins
Which one is not the function of human placenta
Helps co2 and excretory products pass from foetus to mother's body
Helps o2 and nutrients from mother's body enter the foetus
Secretes hormones
It protects foetus from mechanical shocks
An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
Edwards syndrome
Klinefelters syndrome
Intersex
Downs syndrome.
Amniotic fluid protects the foetus from ...
Shock
Abortion
Degeneration
Disease
Pregnancy is ascertained by
Insemination
Copulation
Implantation
Capacitation
Highly sophisticated procedure of injecting sperm directly into the ovum is
GIFT
ZIFT
ICSI
IUI
Correct sequence of hormone secretion from beginning of menstruation is ...
FSH, progesterone, estrogen
Estrogen, fsh, progesterone
FSH, estrogen, progesterone
Estrogen, progesterone, FSH
In human embryo, the digestive system develops from the
Epithelium
Mesoderm
Endoderm
Ectoderm
Normal sperm count is
40 to 300 million per ml
10 to 20 million per ml
< 10 million per ml
200 million per ml
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 fallopian tube closest to ovary is
Infundibulum
Cervix
Ampulla
Isthmus
The embryonic stage that resembles a mulberry fruit is
Nerula
Gastrula
Morula
Blastula
The surgical method of contraception in males
Hysterectomy
Vasectomy
Castration
Circumcision
The chemical of the ovum that attracts and holds sperm
Fertilizin
Antifertilizin
Agglutin
Antiagglutinin
Fertilization of the ovum takes place in
Ovary
Uterus
Fallopian tube ampulla
Cervix
The most important region of the decidua for the nourishment of the conceptus is the deciduas
Frondosum
Capsularis
Parietalis
Basalis
What is the name of the inner lining of the uterus?
Myometrium
Endometrium
Epithelium
Endothelium
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
In ectopic pregnancy, foetus grows in ...
Vagina
Fallopian tube
Uterus
Body cavity
Mongolian idiocy due to trisomy in 21st chromosome is known as
Downs syndrome
Turners syndrome
Klinefelters syndrome
Triple x syndrome
Failure of the brain to grow in the foetus may result in:
Plagiocephaly
Craniostenosis
Anencephaly
Microcephaly
Which part of the foetus is developed from mesoderm?
Heart and notochord
Heart and brain
Spinal cord and notochord
Brain and notochord
Which part of the ovary act as an endocrine gland in human beings
Stroma
Vitteline membrane
Graffian follicle
Epithelium
Corpus luteum secretes
Lh
Estrogen
Progesterone
Fsh
The pre fertilisation process stage of sperm before entry into the ovum is called as
Maturation
Insemination
Capacitation
Fertilization
Combined Oral contraceptives prevent pregnancy by
Tubal block
Preventing spermatogenesis
Forming a barrier between the ovum and sperm
Suppressing ovulation
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
Third phase of embryo development is ...
Cleavage
Fertilization
Gametogenesis
Gastrulation