[A] : Living organisms are like a close system .
[R] : Energy in the organisms neither can be lost nor gained from the another 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 .