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?
what is embryo proper?
why menstrual blood doesn't clot?
What is mean by Spermlysin ??????????
Explain the process of oogenesis.
(please explain because i want the proper answer of this ques.)
Why does failure of testes to descend into the scrotum produce sterility?
Draw a neat labelled sketch of Graafian follicle.
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
how does menstrual flow occurs after tubectomy?... i mean the passage blocked then how does the degnerated egg comes out from...????
spermatogenesis? Briefly describe the process of spermatogenesis.
What is the significance of epididymis in male fertility?
what is sporogenous tissue?
spermatogenesis in human male is a hormone regulated process. justify
give a labeled diagram of spermatogenesis as im finding it difficult to understand .
Draw a labeled diagram
of female reproductive system.
explain male reproductive system
the function of prostate gland is ......?
why is menstrual cycle absent during pregnancy?
what are the major features of embryonic development during the months of pregnancy?
WHAT IS THE SIGNIFICANCE OF SPERMATOGENESIS & OOGENESIS?
what is the function of antrum in the grafian follicle?
what is major difference between spermatogenesis & oogenesis?
difference between ducts and glands????
what is foetal ejection reflex?
from where do signals of parturition originate and what does maternal pituitary release for stimulating uterine contractions for child birth?
WHAT IS PREGNANCY HORMONE? WHY IT IS CALLED SO? NAME TWO SOURCES OF THIS HORMONE IN HUMAN FEMALE?
what is the advantage of retaining the bulk of the nutrient rich cytoplasm of primary oocyte by secondary oocyte?
distingiush b/w morula gastrula and blastula
differentiate between major structural change in the human ovary during the follicular and luteal phase of the menustral cycle
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
difference between zoospore and zygote ?
what is oogenesis?
what is the main difference between insemination and ejaculation?
What are the three major phases of menstrual cycle in primates?Mention the key event in each phase.
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.
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.
why is placenta called a temporary endocrine gland?
when and how does placenta develop in human female?
Draw a labeled diagram
which hormone is called as the pregnancy hormone? ...why ?
what is corona radiata?what is the difference between corona radiata and zona pellucida?
explain the steps in the formation of an ovum from an oogonium in humans
why does not all copulations lead to pregnancy???
What is the difference between spermatogenesis and spermiation?
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 the difference between umbilical cord and placenta??
How does zygote in fungi and algae overcome dessication?
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
Draw a labeled diagram
of a Graafian Follicle?
URGENT!! Define seminal vessicles ,,,prostate gland and cowper's gland.????
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 ?
does menstruation occur even after tubectomy in females?? and does ovulation too occurs??
What is the difference between blastulation and gastrulation?
Q--. Identify the wrong statement from the following:a. High levels of estrogen triggers the ovulatory surge.b. Orgonial cells start to proliferate and give rise to functional ova inregular cycles from puberty onwards.c. Sperms released from seminiferous tubules are poorly motile /non-motile.d. Progesterone level is high during the post ovulatory phase ofmenstrual cycle.also explain...........
what is paturation??
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