11.
. . . . . . . . is an extensive method of vegetable cultivation.

12.
Which fruit is most suited for preparation of marmalade

13.
Dwarfing rootstock in mango is

14.
Copper sulphate is sprayed in roses for

15.
Allopolyploid variety reported in mango is

16.
Monoembryonic variety of lemon is

17.
Which one of the following fruits belongs to family Anacardiaceae

18.
Most commonly used chemical agent for doubling of plant chromosome is

19.
Base of cut flowers is subjected to hot water treatment in

20.
In north India pruning in grape is done in the month of