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Question
What is inhibin? State its functions.
Solution
inhibin is a hormone secreted by Sertoli cells of testes which is involved in the negative feedback control of sperm production.
RELATED QUESTIONS
What are the changes seen in girls at the time of puberty?
The site of maturation of human sperms is the
Do all organisms give birth to individuals like humans?
What are the female sex cells in humans called?
Where in the human body does an ovum get fertilised?
What are the male and female gonads in human beings? Mention their functions.
Draw a labelled diagram of the human male reproductive system. With the help of this diagram, describe the working of human male reproductive system?
Fertilisation results immediately in the formation of :
(a) a zygote
(b) an embryo
(c) a placenta
(d) a foetus
X and Y are two human beings. The organ A in the reproductive system of X releases a mature gamete B once a month which goes into a tube-like structure C through a funnel-like opening. The organ D in the reproductive system of Y makes and releases gametes E which pass through a duct F and are introduced by an organ of Y, into the body of X. B and E fuse together in C to form a new cell G. The cell G divides repeatedly to form a ball of cells H which gets embedded in the lining of organ I of reproductive system of X where it grows and develops into a baby.
(a) Name (i) organ A, and (ii) gamete B.
(b) Write two names of tube-like structure C.
(c) Name (i) organ D, and (ii) gamete E.
(d) Write two names of duct F.
(e) Name (i) cell G (ii) ball of cells H, and (iii) organ I.
(f) Out of X and Y, which one is (i) male, and (ii) female?
The normal gestation period in humans is:
Trace the path of sperms from where they are produced in human body to the exterior.
State whether the following statement is true or false:
Oviducts and fallopian tubes are one and the same thing.
Draw a diagram to display the vertical view of human female reproductive system and label the following parts in the diagram:
(1) Ureter
(2) Ovary
(3) Funnel of fallopian tube
(4) Urethra.
Give the functions of the following:
Vagina
Label the folowing diagram
Differentiate
Sexual Reproduction and Asexual Reproduction.
State the Location:
Uterus
Choose the Odd One Out:
A zygote is formed by the fusion of a male gamete and a female gamete. The number of chromosomes in the zygote of a human is ______.
