Part of sperm that passes into ovum is
Tail
Acrosome
Head
Head, neck and middle piece
Correct Answer :
D. Head, neck and middle piece
Related Questions
In human embryo, the digestive system develops from the
Epithelium
Mesoderm
Endoderm
Ectoderm
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
What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
Unusually tall
Abnormal growth of facial and body hair
Abnormal voice
Short stature
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
Mammary glands are modification of ...
Sebaceous glands
Sweat glands
Meibomian glands
None of the above
Mongolian idiocy due to trisomy in 21st chromosome is known as
Downs syndrome
Turners syndrome
Klinefelters syndrome
Triple x syndrome
Amniotic fluid protects the foetus from ...
Shock
Abortion
Degeneration
Disease
Human eggs are
Mesolecithel
Microlecithel
Macrolecithel
Alecithel
Combined Oral contraceptives prevent pregnancy by
Tubal block
Preventing spermatogenesis
Forming a barrier between the ovum and sperm
Suppressing ovulation
The pre fertilisation process stage of sperm before entry into the ovum is called as
Maturation
Insemination
Capacitation
Fertilization
Pregnancy begins with implantation of
Embryo
Fertilized ovum
Blastopore
Blastocyst
Which layer of embryo is formed first
ectoderm
Mesoderm
Endoderm
Mesenchyma
Sertoli cells are found in
Seminiferous tubules
Ovaries
Prostate gland
Semen
Part of fallopian tube closest to ovary is
Infundibulum
Cervix
Ampulla
Isthmus
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
Thick layer which surrounds the ovum is ...
Zona pellucida
Membrana granulosa
Corona radiata
Theca interna
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
Menstrual phase is followed by .
Luteal phase
Follicular phase
Fertilization
Implantation
In ectopic pregnancy, foetus grows in ...
Vagina
Fallopian tube
Uterus
Body cavity
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.
Forensic investigation of rape case focuses on the presence of fructose in female reproductive system, the only part of the human body producing fructose is
Cowper's gland
Prostate gland
Testes
Seminal vesicle
Embryonic connective tissue is formed from ..
ectoderm
endoderm
Mesenchyme
Mesogloea
Which part of the ovary act as an endocrine gland in human beings
Stroma
Vitteline membrane
Graffian follicle
Epithelium
Increase in basal body temperature in the middle of menstrual cycle is a sign of
Fertilization
Onset of menstruation
Menopause
Ovulation
Ovulation occurs under the influence of high titre of
LH
FSH
Estrogen
Progesterone
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
What are the chances of a normal fertile couple having a baby in one year?
40%
80%
20%
50%
Layers of ovum from outside to inside are .
Corona radiata, zona pellucida, vitelline membrane
Zona pellucida, corona radiata, vitelline membrane
Vitelline membrane, zona pellucida, corona radiata
Zona pellucida, vitelline membrane, corona radiate
Name the pituitary hormone that regulates sertoli cells
Prolactin
LH
FSH
Oxytocin