Question

Read the assertion and reason carefully to mark the correct option in question.

Assertion: Cell is the fundamental structural and functional unit of all living organisms.

Reason: Anything less than a complete structure of a cell does not ensure independent living.

Answer 1

Assertion

The cell is the fundamental structural and functional unit of all living organisms.

Elaboration:

All living organisms are made up of cells. Cells are required for the different life processes necessary to sustain life.

Hence, they are referred to as the sturctural and functional unit of life. Cells also help in providing form and structure, as well as processing nutrients and transforming them into usable energy.

Reason

Anything less than a complete structure of a cell does not ensure independent living.

Elaboration:

Cells have various parts that perform different functions to ensure its independent living. Cells have cell membrane, cytoplasm and cell organelles that conduct these functions. Prokaryotic cells lack membrane bound cell organelles but they have genetic material and ribosomes that are enough for their independent survival.

Hence, any major constituent structure of a cell is missing, the cell won't survive and so not the organism.

Final answer: a. If both assertion and reason are true and the reason is the correct explanation of the assertion.