A process by which a piece of scion is attached to a root stock in a way that eabium of both scion and root stock came in firm contact, resulting is a new tissue is called ________?
A. Ghooti
B. Budding
C. Grafting
D. Rooting
Species which give out long and flexible branches, the shoot to be layered is covered with soil at several places to encourage rooting at more than one point is called _____?
A. Ground layering
B. Stool layering
C. Serpentine layering
D. Air layering
Air layering is also known as _____?
A. Cross match
B. Marcpottage
C. Ghooti
D. All the above
Ethylene has horticulture uses such as _____?
A. Inducing fruit maturity
B. Initiating flowers
C. Changing the green color of fruits
D. All the above
Some use of cytokinins in horticulture are ______?
A. To stimulate shoot development
B. Delaying senescence
C. Accelerating bud growth
D. All the above
Plant hormones present in the apices of shoots and leaf primordials are ______?
A. Gibberellins
B. Auxins
C. Cytokinins
D. Ethylene
Synthetic products which when applied to plants produce reactions almost identical to those caused by natural harmonics are called ______?
A. Plant harmonics
B. Plant growth regulators
C. Photoperiodism activants
D. Plant growth promoters
Spinach, althea, winter wheat and oat are the example of ______?
A. Long day plants
B. short day plants
C. Long day and short night plants
D. Short day and long night plants
Aging process in which all plant parts except seeds die is called ____?
A. Senescence
B. Complete Senescence
C. Partial Senescence
D. All the above
A physiological aging activity in which plant tissues degenerate and ultimately die is called ________?
A. Fruit ripening
B. Maturity
C. Senescence
D. Both a & b
