If hypothalamic hormones will decrease then it will affect spermatogenesis and spermiation in him. Hypothalamus releases GnRH ( Gonadotrophin releasing Hormones ) which stimulate Read More …
Author: Dr. Karuna Sharma
Ph.D. Environmental sciences, M.Sc. Zoology, Gold medalist, Goa University Topper. Conduct classes for NEET and NET Life Sciences
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