Statement (I): Instantaneous unit hydrograph (IUH) is used in theoretical analysis of rainfall excess-runoff characteristics of a catchment.Statement (II): For a given catchment, IUH, being independent of rainfall characteristics, is indicative of the catchment storage characteristics.

• A. Both Statements (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
• B. Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
• C. Statement (I) is true but Statement (II) is false
• D. Statement (I) is false but Statement (II) is true