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11.

Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:

A.	Pinus nigra - Japan	B.	Euralyptus - Australia
C.	Polunia - China	D.	All of the above

12.

The stages in the development of a tree are:

A.	Seedling	B.	Sapling
C.	Pole	D.	Tree stages
E.	All of the above

13.

The 'Root system' is:

A.	Form of roots	B.	Root growth
C.	Special roots	D.	All of the above

14.

How to induce flowers and stimulation of flowering and seedling are:

A.	Girdling method	B.	Root pruning
C.	Typing a knot	D.	Grafting
E.	All of the above

15.

Methods of breaking of 'Dormancy' are:

A.	Weathering	B.	Mechanical
C.	Fire treatment	D.	Water treatment
E.	All of the above