Compared to a bull a bullock is docile because of
higher levels of cortisone
lower levels of blood testosterone
lower levels of adrenaline/noradrenaline in its blood
higher levels of thyroxine.
In maize, hybrid vigour is exploited by
In an experiment freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (complete diet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in the given graph.
The graph indicates
Which is similar term to Hybrid vigour?
Silk is the secretion of
What are the requirements in tissue culture