Question 11 Mark
Assertion: Living organisms have more nitrogen and oxygen per unit mass than inanimate objects (e.g., earth crust).
Reason: Living organisms have more Ca, Mg, Na in them than inanimate object.
Reason: Living organisms have more Ca, Mg, Na in them than inanimate object.
Answer
View full question & answer→(c) After performing elemental analysis of a plant tissue, animal tissue, microbial paste (living matter) and of a piece of earth’s crust (animate object), it was found that all living and non-living systems are made up of same chemical i.e., elements (e.g. carbon, hydrogen, oxygen and several others). Most living organisms have relatively high abundance of carbon and hydrogen than in earth’s crust.