Assertion. Living system are closed systems.
Reason. Energy of living organisms cannot be lost of gained from environment

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

D

Explanation

Living organism or protoplasm presents an open system because they have the capacity of restoring the lost energy through the input of free or usable energy.