State the importance of imbibition in seed germination.

Write the importance of imbibition.

State the importance of counter current systems in renal functioning.

These questions consist of two statements each,printed as Assertion and Reason.While asnwering these questions you are required to chose any one of the following four responses. If both Assertion and Reason are true and Reason in correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Chlorine plays important role in dark reactions of photosynthesis. Reason: Chlorine plays an important role in process of seed germination.

List two essential conditions for seed germination.

How does light affect the photoperiodism and seed germination in the plants?