Oxygen accounts for ____ % of totals human body mass?

Related Mcqs:

Bryophtes are called amphiabians of plant world because:

A. Bryophytes like amphibian ancestors are one of the most primitive organisms in this world. B. Bryophytes like amphibian live in damp shady places and close to water body. C. Amphibians have close relation with bryophytes in their habitat. D. All of these...

Monocots are characterized by___________?

A. Number of sepals and petals are 2 or multiple of 2 B. Number of sepals and petals are 3 or multiple of 3 C. Number of sepals and petals are 4 or multiple of 4 D. Number of sepals and petals are 5 or multiple of 5...

Normal resting membrane potential of a neuron is_____________?

A. – 50 mv B. – 60 mv C. – 70 mv D. – 80 mv...

Receptors for hearing come under heading of___________?

A. Chemical B. Mechanical C. Photo D. Nociceptors...

What is the average adult Pulse rate

A.140-150 B.115-125 C.72-80 40-55...