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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.)
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
Draw a neat labelled sketch of Graafian follicle.
Why does failure of testes to descend into the scrotum produce sterility?
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.
when and how does placenta develop in human female?
what is sporogenous tissue?
give a labeled diagram of spermatogenesis as im finding it difficult to understand .
Draw a labeled diagram
of female reproductive system.
the function of prostate gland is ......?
what is embryo proper?
why is menstrual cycle absent during pregnancy?
Q=Which cell organelle is absent in human sperm?
WHAT IS THE SIGNIFICANCE OF SPERMATOGENESIS & OOGENESIS?
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.
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 ?
explain male reproductive system
how does primary spermatocyte differ from spermatogonia?
what is major difference between spermatogenesis & oogenesis?
difference between ducts and glands????
why does meiosis and mitosis occur in germ cells?
what is foetal ejection reflex?
Why hormone levels increase many folds during pregnancy?
from where do signals of parturition originate and what does maternal pituitary release for stimulating uterine contractions for child birth?
What is mean by Spermlysin ??????????
distingiush b/w morula gastrula and blastula
in human, the unpaired male reproductive structure is
a) seminal vesicle b) prostate gland c) bulbourethral gland d) testes e) vas deference
WHAT IS PREGNANCY HORMONE? WHY IT IS CALLED SO? NAME TWO SOURCES OF THIS HORMONE IN HUMAN FEMALE?
Draw a labelled diagram of Blastocyst
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 are the three major phases of menstrual cycle in primates?Mention the key event in each phase.
spermatogenesis in human male is a hormone regulated process. justify
why is placenta called a temporary endocrine gland?
List the changes the primary oocyte underqoes in the tertiary follicular stage in the human ovary.
Draw a labeled diagram
DESCRIBE OOGENESIS IN HUMAN FEMALE? WHAT PROMOTES COMPLETION OF SECOND MEIOTIC DIVISION IN OOGENESIS?
which hormone is called as the pregnancy hormone? ...why ?
how do homogametes differ from heterogametes
why does not all copulations lead to pregnancy???
explain the steps in the formation of an ovum from an oogonium in humans
what is corona radiata?what is the difference between corona radiata and zona pellucida?
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??
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.????
does menstruation occur even after tubectomy in females?? and does ovulation too occurs??
What is the difference between blastulation and gastrulation?
in females the hormone inhibin secreted by
a) granulosa and theca cells b) granulosa cells and corpus luteum c) granulosa and cumulusoophorus cells d) granulosa cells and zona pellucida
What is the significance of epididymis in male fertility?
what is paturation??
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