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
Horticulture MCQs with Answers
Aging process in which all plant parts except seeds die is called_________________?
A. Senescence B. Complete Senescence C. Partial Senescence D. All the above
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
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
Plant hormones present in the apices of shoots and leaf primordials are __________________?
A. Gibberellins B. Auxins C. Cytokinins D. Ethylene
Some use of cytokinins in horticulture are________________?
A. To stimulate shoot development B. Delaying senescence C. Accelerating bud growth 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
Air layering is also known as_________________?
A. Cross match B. Marcpottage C. Ghooti D. All the above
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