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

Related Mcqs:

The molecules of living matter that provide building blocks are mostly based on:

A. Carbon B. Nitrogen C. Hydrogen D. Ammonia...

Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?

A. Concentration of water molecules inside and outside the cell B. Concentration of enzymes on either side of the cell membrane C. Rate of molecular motion on either side of the cell membrane D. None of these...

From right ventricle blood is pushed into?

A. pulmonary trunk B. brain C. aorta D. body...

The phylum chrordata comprise about how many species?

A. 25,000 B. 50,000 C. 100,000 D. 10,00,000...

Animals living in the Tree trunks are known as___________?

A. Arboreal B. Volant C. Amphibious D. Aquaticx...