Which of the following is responsible for the increased h...
Which of the following is responsible for the increased heart beat of a boy who saw a python? increased
production of
adrenalin
insulin
pituitrin
thyroxin
Correct answer is A
No explanation has been provided for this answer.
Characteristics that exhibit continuous variation are generally controlled by ...
Which of the following is not a characteristic feature of a tropical rain-forest habitat? ...
The vilius in the small intestine is significant because it ...
Which of the following is an example of discontinuous variation observed in man? ...
A food chain always begins with a ...
Soil microorganisms are beneficial because of their involvement in ...
Which of the following statements about sex-linked characters is not true? ...