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11.

The replacement of old forest stands by ______ is called regeneration.

A.	New	B.	Young
C.	Both (a) & (b)	D.	None of these

12.

Methods of regeneration are:

A.	Seed	B.	Vegetative
C.	Both (a) & (b)	D.	None of these

13.

Coppicing system of vegetative regeneration is / are :

A.	The species (Shisham and Acacia nilotica) produce good and vigorous coppice shoots	B.	The species (Quercus incana) produce coppices hoots also but they are few and weak
C.	Both (a) & (b)	D.	None of these

14.

Management of forest by coppicing depends upon stumps height is / are:

A.	If very tall stump, will be left it will give more coppicing shoots due to its thickness of bark	B.	When stump are of average height, they will produce coppicing shoots easily e.g. In Olea cuspidata
C.	Both (a) & (b)	D.	None of these

15.

Implements used for felling of a tree are:

A.	Axe	B.	Saw
C.	Both (a) & (b)	D.	None of these

16.

The trees which produce root suckers are:

A.	Those which produce more and vigorous root suckers	B.	those which produce root suckers less in number
C.	Both (a) & (b)	D.	None of these

17.

Production of root suckers is:

A.	Without any injury e.g. Populus alba and Populus eupharatica	B.	When they are felled e.g. Prosopis cineraria
C.	Both (a) & (b)	D.	None of these

18.

Method of development of root suckers in Shisham is:

A.	In case of bela forest, after feeling the shisham, trenches are made	B.	In other countries root suckers are produced differently i.e. They expose the roots of the stump and mark very small injuries on the roots on equal distance
C.	Both (a) & (b)	D.	None of these

19.

Vegetative regeneration of reproduction through cuttings:

A.	Size of the cutting should be form 6" to 10"	B.	Thickness should not be les than finger size
C.	In case of root cutting they are buried, sometimes horizontally in the ground	D.	All of the above

20.

Types of layering are:

A.	Air	B.	Surface or ground
C.	Both (a) & (b)	D.	None of these