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11.

What are the major components of the timber harvesting system?

A.	Logging planning	B.	Setting up of the crop to be felled
C.	Felling of trees	D.	Transportation
E.	All of the above

12.

Logging is effected by:

13.

In case of terrain:

A.	If slopes are steep certain mechanized operations are not possible	B.	Slopes also have great effect on timber breakage
C.	Work on sloping terrain is also arduous and dangerous	D.	All of the above

14.

Lean varies with:

A.	Slope and affects cutting operations	B.	Timber breakage and hang-up are more
C.	Both (a) & (b)	D.	None of these

15.

Species should have which type of qualities:

A.	Species should require no elaborate method of cultivation	B.	It should be able to grow easily without any special effort
C.	Species should be tough, hardy, and tolerant of repeated cutting	D.	All of the above

16.

Shelter wood system can be classified :

A.	Uniform shelter wood system	B.	Group shelter wood system
C.	Irregular shelter wood system	D.	All of the above

17.

Uniform shelter wood system means:

A.	If canopy is opened out evenly in making regeneration felling	B.	If the canopy is opened out by creating scaltered gaps which are subsequently extended over the whole area
C.	If the canopy is oppened out gradually and irregularly with a resulting in a more uneven aged forest	D.	None of these

18.

Group shelter wood system means:

A.	If canopy is opened out evenly in making regeneration felling	B.	If the canopy is opened out by creating scaltered gaps which are subsequently extended over the whole area
C.	If the canopy is opened out gradually and irregularly with a long regeneration period, resulting in a more uneven aged forest	D.	None of these

19.

Irregular shelter, wood system means:

A.	If canopy is opened out evenly in making regeneration felling	B.	If the canopy is opened out by creating scaltered gaps which are subsequently extended over the whole area
C.	If the canopy is opened out gradually and irregularly with a long regeneration period, resulting in a more uneven aged forest	D.	None of these

20.

What is meant by simple coppice system?

A.	When mature crop is removed by clear felling and regeneration is entirely by vegetative methods	B.	When some selected shoots are selected for retention for future period
C.	When crop is partly of coppicing and partly of seedling organ of different age clear	D.	None of these