CSS :: Ecology and General Silviculture

@ : Home > Forestry > Ecology and General Silviculture

261.

Felling and regeneration for the time being concentrated on part for the forest area:

A.	Clear felling system	B.	System of successive regeneration fellings
C.	Both (a) & (b)	D.	None of these

262.

Opening of canopy even young crop more or less even aged and uniform felling happing under:

A.	Uniform system	B.	Group system
C.	Irregular system shelterwood system	D.	Strip system

263.

Opening of canopy by scattered gaps, young crop more or less even-aged in which system:

A.	Uniform system	B.	Group system
C.	Irregular system	D.	Strip system

264.

Opening of canopy irregular and gradual, young crop somewhat uneven-aged:

A.	Uniform system	B.	Group system
C.	Irregular system	D.	Strip system

265.

Felling beginning in internal lines and advancing outwards in wedge formation:

A.	Wedge system	B.	Uniform system
C.	Strip system	D.	None of these

266.

Felling and regeneration distributed continuously over the whole area, corp wholly uneven-aged:

A.	Uniform system	B.	Wedge system
C.	Strip system	D.	Selection system

267.

Form of forest produced by introducing a young crop beneath an existing immature is called:

A.	High forest with standards	B.	Two-storied high forest
C.	Wedge system	D.	None of these

268.

Form of forest produced by retaining certain trees of the old crop after regeneration is completed known as:

A.	High forest with standards	B.	Selection system
C.	Two-storied high forest	D.	None of these

269.

Crops in part at least, originating from stool shoots or by other vegetative means:

A.	Accessory system	B.	Coppices system
C.	Uniform system	D.	None of these

270.

Successive areas are clear-felled in accordance with the prescriptions of the working plan and area regenerated naturally or artificially is known as:

A.	Clear felling system	B.	Selection system
C.	Accessory system	D.	None of these