List of top Plant Biotechnology Questions on Horticulture asked in ICAR AIEEA (PG)

Identify the compounds used as germicides in vase solutions to improve quality and longevity of cut flowers
(A). Aluminium sulfate
(B). Silver nitrate
(C). 8 - Hydroxyquinoline sulfate
(D). Aminocyclopropane carboxylic acid
Choose the correct answer from the options given below:
Hand refractometer: "Brix" value at physiological maturity in sugarcane is
The water content in highly perishable with short shelf-life horticultural produce is
The maturity stage at which fruits/vegetables reach the ideal condition required for consumers, develop acceptable flavour or appearance and have an adequate shelf life is called
Ethylene is a plant hormone known to influence post-harvest ripening. Which of the following fruits is not sensitive to ethylene?
The moisture content in perishable horticultural produce with a short shelf life is
An example of non-climacteric fruit is
The common chemical agents used as preservative solutions to improve the keeping quality of cut flowers is
The chemical used to induce uniform flowering in pineapple is
Identify the scientist(s) who gave the term "Hydroponics" for growing of plants in water culture
With reference to the vase-life of cut-flowers, identify the correct statement(s)
(A) For prolonging life and quality, cut-flowers are often held in holding (or) vase solutions
(B) The vase solutions contain a combination of carbohydrates, growth regulators, inhibitors and minerals.
(C) Any vase solution must contain essential two components i.e., mineral salts and ethylene inhibitors.
(D) Mineral salts help in preventing plugging of conducting tissues while ethylene inhibitors make available the respiratory substrates.
Choose the correct answer from the options given below:
In acid soils at pH < 5, the element that becomes available in toxic amounts is: [Question ID = 708][Question Description = 208_34_PLB_AUG22_Q108]
Phytochrome is localised within: [Question ID = 709][Question Description = 209_34_PLB_AUG22_Q109]