The middle piece of the sperm contains
Protein
Nucleus
Mitochondria
Centriole
Correct Answer :
C. Mitochondria
Related Questions
Which one occurs first in the human embryo
Neurogenesis
Cardiogenesis
Hepatogenesis
Osteogesis
Tunica albuginea is related to
Prostate gland
Pituitary gland
Hypothalamus
Testes
An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
Edwards syndrome
Klinefelters syndrome
Intersex
Downs syndrome.
Secretion of testosterone is stimulated by
FSH
TSH
ICSH
ACTH
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
Which cells provide nutrition to the sperms?
Sertoli cells
Leydig cells
Crypt cells
Semniferous tubules
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 embryonic stage that resembles a mulberry fruit is
Nerula
Gastrula
Morula
Blastula
The number of chromosomes present in sperms
46
23
23 + X
23+ Y
In ectopic pregnancy, foetus grows in ...
Vagina
Fallopian tube
Uterus
Body cavity
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
In a 28 day menstrual cycle, ovulation occurs on ...
Day 1
Day 5
Day 14
Day 28
Fimbriae of fallopian tube ...
Release ovum from graffian follicle
Cause endometrial changes for implantation
Help develop corpus luteum
Help collection of ovum after ovulation
Highly sophisticated procedure of injecting sperm directly into the ovum is
GIFT
ZIFT
ICSI
IUI
The pre fertilisation process stage of sperm before entry into the ovum is called as
Maturation
Insemination
Capacitation
Fertilization
Which of the following is not a hereditary disease?
Cystic fibrosis
Thalassaemia
Haemophilia
Cretinism
A child's blood group is 'o'. The parent's blood groups cannot be
A AND B
A AND A
AB AND O
B AND O
Human placenta is
Endothelial
Haemochorial
Epitheliochorial
Syndesmochorial
After ovulation graffian follicles turns into
Corpus luteum
Corpus albicans
Corpus callosum
Corpus artesia
Human eggs are
Mesolecithel
Microlecithel
Macrolecithel
Alecithel
Normal sperm count is
40 to 300 million per ml
10 to 20 million per ml
< 10 million per ml
200 million per ml
Which one of the following is produced early in the life of a human female?
Relaxin
Oxytocin
Prolactin
Progesterone
Menstrual phase is followed by .
Luteal phase
Follicular phase
Fertilization
Implantation
The most important region of the decidua for the nourishment of the conceptus is the deciduas
Frondosum
Capsularis
Parietalis
Basalis
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
The chemical of the ovum that attracts and holds sperm
Fertilizin
Antifertilizin
Agglutin
Antiagglutinin
Ovulation occurs under the influence of high titre of
LH
FSH
Estrogen
Progesterone
Gestation period of 280 days is calculated from time of ...
Last menstruation
Fertilization
First day of last menstruation
Ovulation
Cell division that occurs in zygote is called
meiosis
Mitosis
Cleavage
Differentiation
In menstrual cycle the secretory phase is also known as
luteal phase and lasts for 6 days
Luteal phase and lasts for 13 days
Follicular phase and lasts for 13 days
Follicular phase and lasts for 6 days