To preserve a stock of selected varieties _________ is the only means
vegetative propagation
sexual reproduction
hybridization
none of these
____________is a method in which roots are induced to grow before the stem is cut to form a new plant.
Cuttings
Explant
Layering
None of these
In ____________ the adventitious buds are induced before the stem is cut to form a new plant.
layering
cutting
grafting
Give an example of natural vegetative propagation ?
Potato tuber
Rose cutting
Pineapple
Sugarcane
The scions of good coloured roses are grafted on the wild rose root stocks by __________ technique
bud grafting
root cutting
micropropagation
_____________is followed by fertilization and results in the formation of hybrid seeds.
Emasculation
bagging
pollination
Virus-free plants can be easily grown by the technique of __________.
budding
micro-propagation
An example of air layering ?
Rose plant
Straw berry
Jasmine
Lemon plant
The root portion taken from one plant for grafting is called the ________.
scion
stock
callus
Plants produced by vegetative propagation are genetically __________.
not identical
identical
both a and b