Total numbers of ovum released in the life time of a woman is approximately
40
400
4000
20000
Correct Answer :
B. 400
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
Mammary glands are modification of ...
Sebaceous glands
Sweat glands
Meibomian glands
None of the above
Immediately after ovulation, the ovum is covered by a membrane called
Chorion
Zona pellucida
Corona radiata
Vitelline membrane
Failure of the brain to grow in the foetus may result in:
Plagiocephaly
Craniostenosis
Anencephaly
Microcephaly
In ectopic pregnancy, foetus grows in ...
Vagina
Fallopian tube
Uterus
Body cavity
Combined Oral contraceptives prevent pregnancy by
Tubal block
Preventing spermatogenesis
Forming a barrier between the ovum and sperm
Suppressing ovulation
In a 28 day menstrual cycle, ovulation occurs on ...
Day 1
Day 5
Day 14
Day 28
Albinism is a congenital disorder resulting from the lack of which enzyme?
Tyrosinase
Xanthine oxidase
Catalase
Fructokinase.
Haemophilic man marries a normal woman. Their off springs will be
All haemophilic
All boys haemophilic
All girls haemophilic
All normal
The embryonic stage that resembles a mulberry fruit is
Nerula
Gastrula
Morula
Blastula
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
Prostate gland produces a secretion for ...
Attracting sperms
Stimulating sperm activity
Inhibiting sperm activity
None of the above
Part of sperm that passes into ovum is
Tail
Acrosome
Head
Head, neck and middle piece
Fertility in women may be impaired by
Hypertension
Gall stones
Obesity
Short stature
Mongolian idiocy due to trisomy in 21st chromosome is known as
Downs syndrome
Turners syndrome
Klinefelters syndrome
Triple x syndrome
Human eggs are
Mesolecithel
Microlecithel
Macrolecithel
Alecithel
Ovulation occurs under the influence of high titre of
LH
FSH
Estrogen
Progesterone
Identical twins are also known as ..
monozygotic twins
Dizygotic twins
Fraternal twins
Zygotic twins
What is the name of the inner lining of the uterus?
Myometrium
Endometrium
Epithelium
Endothelium
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
The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:
Capacitor
Head
Corona
Acrosome
Embryonic connective tissue is formed from ..
ectoderm
endoderm
Mesenchyme
Mesogloea
The number of chromosomes present in sperms
46
23
23 + X
23+ Y
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
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
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
Name the pituitary hormone that regulates sertoli cells
Prolactin
LH
FSH
Oxytocin
Haemophilia is more common in males because it is a
Recessive character carried by y-chromosome
Dominant character carried by y-chromosome
Dominant trait carried by x-chromosome
Recessive trait carried by x-chromosome
The middle piece of the sperm contains
Protein
Nucleus
Mitochondria
Centriole