Home
Class 12
BIOLOGY
Assertion : It is important that the org...

Assertion : It is important that the organisms should have cell.
Reason : A cell keeps its chemical composition steady within its boundary.

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.

Text Solution

Verified by Experts

The correct Answer is:
A
The metabolic reactions of a living organism can occur only in a delicately balanced environment in the non-living organisms. The cells are the life supporting chambers which have such a special environment . A living cell keeps its chemical composition steady within its boundary .
Promotional Banner

Similar Questions

Explore conceptually related problems

These questions consist of two statements each, printed as Assertion and Reason. While answering these questions you are required to choose any one of the following five responses. Assertion: Organisms are made up of cells. Reason: Cells are structural unit of living organisms . A cell keeps its chemical composition steady within its boundary.

Assertion : Cell wall is not found in animal cell. Reason : Animal cells are covered by cell membrane.

Assertion : A cell membrane shows fluid behaviour. Reason : A membrane is a mosaic or composite of diverse lipids and proteins.

Assertion : Metal ions are important for functioning of cells Reasons: metal ions may act as co factor for several enzymes

Assertion : Intercalated discs are important regions of cardiac muscle cells. Reason : Intercalated disce function as boosters for muscle contraction waves.

Assertion: Intercalated discs are important regions of cardiac muscle cells. Reason: Intercalated discs function as boosters for muscle contraction waves.

Assertion : Specialzation of cells is advantageous for the organism. Reason : It increase the operational efficiency of an organism.

Write about the chemical composition of collenchyma cells.

Assertion : Bacteria are classified among plants. Reason : They have cell walls.