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

Answer

D

Explanation

Living organisms are regarded as open system as they can loose or gain the mass or energy from the surrounding environment . All living organisms restore their lost energy either from the sunlight or indirectly from the food material .