Which of the  following obey the same rules of Physics and  Chemistry in living and non-living systems?

Which is used in aeroplane for its flight?

Molecules of Carbohydrates organise into

Group of similar organisms forms a

Molecules of Nucleotides are organised into

Molecules are  organised into

In living  organisms protoplasm is organised to form

Which one of the following element is present only in living organisms?

A group of ecosystems form into

In living organisms organs constitute to form an