Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?

Related Mcqs:

Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _________ branched

A. Isotomous B. Dichotomously C. Trichotomously D. Multichotomously...

Under resting membrane potentials:

A. Outer surface of neuron is more positive B. Inner surface of neuron is more positive C. Both of these surfaces are equally positive D. none of these....

The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?

A. plus ve B. – ve C. No D. All of these...

A smallest contractile unit of muscle contraction called sarcomere is the area between two:

A. H- zone B. M- Line C. Z- Line D. A band...

Which of the following have thickest walls?

A. Arteries B. Veins C. Capillaries D. None of these...