Q. Compared to a bull a bullock is docile because of :
(a) Lower levels of adrenaline/noradrenaline in its blood
(b) Higher levels of thyroxine
(c) Higher levels of cortisone
(d) Lower levels of blood testosterone
Solution :
Correct option : D Lower levels of blood testosterone
A bullock is a castrated bull. Bulls are castrated to make them more meek and docile. Castration is the removal or destruction of one or both testicles and results in sterility, decreased sexual desire, and inhibition of secondary sex characteristics.