Explain briefly :
Quiescent Centre
Give reasons for the following :
Growth of long bones is bi-directional
Answer the following :
Name the vessel which supplies blood to the heart muscles.
Why is the shape of the right lung slightly different from that of the left lung ?
Photophosphorylation
Name the gene of a cancer causing virus responsible for transformation.
Short day plants are called long night plants.
Which hormone keeps leaves green for a longer time ?
What is phylogeny ?
Autotomy
