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351.

The amount of work dong by the water during its movement from Initial point to reference point is known as:

A.	Soil water potential	B.	Solute water potential
C.	Matric potential	D.	Pressure potential

352.

Which one of the following minerals is least weatherable in soil?

A.	Olivine	B.	Quartz
C.	Calcite	D.	Biotite

353.

Which one of the following is not a soil forming factor?

A.	Climate	B.	Organisms
C.	Relief	D.	Moisture

354.

Which one of the following is not a component of the moisture potential in soils?

A.	Matric potential	B.	Turgor potential
C.	Gravity potential	D.	Osmotic potential

355.

Which one of the following irrigation methods is best suited for an undulating topography?

A.	Flow irrigation	B.	Check basin method
C.	Sprinkler irrigation	D.	Furrow irrigation

356.

Which one of the following fertilizers is least hygroscopic?

A.	Urea	B.	(NH4)2SO4
C.	DAP	D.	CAN

357.

The availability of phosphoreus is maximums at soil pH:

A.	5.5-7.5	B.	7.0-8.0
C.	6.0-8.0	D.	None of the above

358.

The availability of phosphorous is optimum in the pH range of:

A.	<7	B.	>7-8
C.	8	D.	6 ? 8

359.

The available water present in soil for better plant growth in between:

A.	Field capacity and wilting percentage	B.	Witting percentage and hygroscopic coefficient
C.	Field capacity and Air dry soil	D.	None of the above

360.

The average arable surface soil may be considered to have a particle density of about:

A.	2.70 gms/cc	B.	2.45 gms/cc
C.	1.64 gms/cc	D.	2.66 gms/cc