A person whose blood can be donated to all other people, ...
A person whose blood can be donated to all other people, must have the blood group
O
AB
B
A
none of the above
Correct answer is A
No explanation has been provided for this answer.
Which of the following substances has the highest amount of energy in joules per unit weight? ...
Birds excrete nitrogenous wastes in form of ...
Which of the following are components of the glomerular filtrate? ...
The accepted concepts for the theory of Natural Selection does not include ...