Select Board & Class
list any four methods of contraception used by humans. how does their use have a direct effect on the health and prosperity of the family?
why menstrual blood doesn't clot?
Explain the process of oogenesis.
(please explain because i want the proper answer of this ques.)
Draw a neat labelled sketch of Graafian follicle.
how does menstrual flow occurs after tubectomy?... i mean the passage blocked then how does the degnerated egg comes out from...????
Why does failure of testes to descend into the scrotum produce sterility?
spermatogenesis? Briefly describe the process of spermatogenesis.
what is sporogenous tissue?
What is the significance of epididymis in male fertility?
give a labeled diagram of spermatogenesis as im finding it difficult to understand .
Why does breast feeding suspend pregnancy?
Draw a labeled diagram
of female reproductive system.
what is embryo proper?
why is menstrual cycle absent during pregnancy?
the function of prostate gland is ......?
WHAT IS THE SIGNIFICANCE OF SPERMATOGENESIS & OOGENESIS?
explain male reproductive system
what is major difference between spermatogenesis & oogenesis?
difference between ducts and glands????
what is foetal ejection reflex?
Secondary oocyte retains bulk of the nutrient rich cytoplasm of the primary oocyte. Can you think of any advantage for this? rn Does the first polar body born out of first meiotic division divide further or degenerate?rn
1.why is oogenesis considered as a discontinous and wasteful process?
2.is ejaculation and insemination the same ?
3.what is monospermy?
4.how implantation takes place ?
WHAT IS PREGNANCY HORMONE? WHY IT IS CALLED SO? NAME TWO SOURCES OF THIS HORMONE IN HUMAN FEMALE?
After a successful in vitro fertilization the fertilized egg begins for begins to divide where is this egg transferred before it reaches the 8 cell stage What is the techniques?
from where do signals of parturition originate and what does maternal pituitary release for stimulating uterine contractions for child birth?
what happens to the blastocyst immediately after implantaion?
distingiush b/w morula gastrula and blastula
Can anal sexual intercouse lead to fertilisation?If not, then why it is done?
WHAT IS THE FUNCTION OF INFUNDIBULUM
DIFFERENCE BETWEEN SPERMIOGENESIS AND SPERMIATION
canal system of porifera is not connected with
b]respratory gases exchnge
d]removal of waste
difference between zoospore and zygote ?
at what stage human female life of oogenesis initiated .when does the oocyte completes oogenesis
what is oogenesis?
List the changes the primary oocyte underqoes in the tertiary follicular stage in the human ovary.
how mammary glands are integrated structurally and functionally to support the process of ovulation, fertilization, pregnancy, birth and child care?????
plz explain, these lines are written in NCERT textbook.
What are the three major phases of menstrual cycle in primates?Mention the key event in each phase.
Q=Which cell organelle is absent in human sperm?
why is placenta called a temporary endocrine gland?
when and how does placenta develop in human female?
spermatogenesis in human male is a hormone regulated process. justify
Draw a labeled diagram
differentiate between major structural change in the human ovary during the follicular and luteal phase of the menustral cycle
which hormone is called as the pregnancy hormone? ...why ?
A female of 30 yrs age attained puberty at the age of 13 yrs. She has three children born by normal delivery. How many polar body are formed in her body till date. (Each M.C. is of 30 days) :
The correct answer is (3). Could you please explain ?
Question from Human Reproduction Class XII
explain the steps in the formation of an ovum from an oogonium in humans
what is the advantage of retaining the bulk of the nutrient rich cytoplasm of primary oocyte by secondary oocyte?
what is corona radiata?what is the difference between corona radiata and zona pellucida?
A. Corona radiata, zona pellucida, vitelline membrane
B. Zona pellucida, corona radiata, vitelline membrane
C. Vitelline membrane, zona pellucida, corona radiata
D. Zona pellucida, vitelline membrane, corona radiate pls explain with diagram as nothing is mentioned nywhere about vitelline membrane.
why does not all copulations lead to pregnancy???
after tubectomy does menstrual cycle continue? there is a knot tied in the tube so how does the cycle takes place? pls give a proper answer
What is mean by Spermlysin ??????????
What is the difference between umbilical cord and placenta??
Draw a labeled diagram
of a Graafian Follicle?
does menstruation occur even after tubectomy in females?? and does ovulation too occurs??
if asked to draw a labbeled diagram of male reproductive system in exam , which one we hav to write ...
there r 2 diagrams in textbook ...
pls answer asap
Absence of hymen is not a reliable indicator of virginity. Justify.
URGENT!! Define seminal vessicles ,,,prostate gland and cowper's gland.????
what is the main difference between insemination and ejaculation?
what is the function of antrum in the grafian follicle?
Name the hormones involved at each stage:
A) Pattern formation
B) Organizer phenomena
C) Axis formation
D) Anamorphosis i m confused as some books have given 2nd and some have given 3rd...so pls tell correct ans with explanation
What is the difference between blastulation and gastrulation?
what are the major features of embryonic development during the months of pregnancy?
what is paturation??
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