What is the science that deals with the study of plants from various perspectives called?

Statement $A$: The number of individuals of each species remains limited due to death.
Reason $R$: Due to death,the materials forming the body of living organisms return to the environment.
Which option is correct for Statement $A$ and Reason $R$?

The unique phenomena of life in living organisms are the result of interactions within their bodies. Explain.

Which of the following characteristics is $NOT$ observed in living organisms?

Choose the false statement.

What is the similarity and dissimilarity between 'whole moong dal' and 'broken moong dal' in terms of respiration and growth? Based on these parameters,classify them into living or non-living.