If hypothalamic hormones will decrease then it will affect spermatogenesis and spermiation in him. Hypothalamus releases GnRH ( Gonadotrophin releasing Hormones ) which stimulate Read More …
Category: Content
Give diagrammatic sectional view of the human ovary showing the stages of development in ovarian follicles
Draw a diagram of female reproductive system
Tropical forests account for greater biodiversity than temperate regions . Give Reasons.
Speciation is a function of time. Temperate regions were subjected to frequent glaciations in the past while tropics have remained somewhat undisturbed for millions Read More …
Differentiate between Autogamy and Xenogamy.
Autogamy 1.transfer of pollen grains from the anther to stigma of same flower. 2. genetically same type of pollens are brought to the Read More …
Draw a neat diagram of a multicarpellary syncarpous gynoecium of Hibiscus
Sketch diagram of isogametes of Cladophora
The funnel shaped part of oviduct in the female reproductive system is : a) Ampulla b) Fimbriae c) Isthmus d) Infundibulum
d) infundibulum
What are the advantages of GM plants?
Genetically modified plants are tailor – made according to the requirements . The genes for required traits are introduced by genetic engineering. High yield Read More …
A colour blind man has a normal woman as his wife . Predict the children . Gene for Colour blindness lies in the X chromosome.
Thus the above cross shows that the possible children of a colourblind man and normal woman are carrier daughters and normal sons