Practice Horticulture and Details Questions and Answers

• In commercial rose production, which substrate is preferred for hydroponic cultivation systems?
• Which of the following environmental conditions most favors the incidence of botrytis blight in cut flower crops?
• Which specific nutrient deficiency results in interveinal chlorosis and cupping of young leaves in roses?
• In lilium cultivation, vernalization is essential to break bulb dormancy. What is the ideal temperature range for this purpose?
• In gladiolus, which part of the plant is used for vegetative propagation besides corms?
• What is the purpose of applying potassium nitrate (KNO ₃ ) in the flower industry, especially in carnation and chrysanthemum?
• What is the most suitable light intensity (in lux) for gerbera flower production under protected conditions?
• In tissue culture of orchids, which plant growth regulator is commonly used to promote protocorm-like body (PLB) formation?
• Which carnation variety is known for its long vase life and resistance to calyx splitting?
• Which photoperiodic response is exhibited by tuberose with respect to flowering?
• Which rose rootstock is most suitable for saline soil conditions?
• Which method is most effective for controlling aphid infestation in chrysanthemum cultivation?
• Which floral crop exhibits protandry, where male flowers mature before female ones?
• What is the main reason for applying gibberellic acid (GA ₃ ) in lilium cultivation during the early vegetative phase?
• Which flower crop is mainly propagated through scale leaves rather than conventional cuttings or seeds?
• In rose cultivation, which of the following symptoms is most commonly associated with powdery mildew infestation?
• What is the average vase life (in days) of standard carnations under optimal storage and handling conditions?
• Which of the following plant hormones is known to accelerate flower senescence in many cut flowers like roses?
• ‘Tapka’ is a commonly used term referring to the harvest maturity stage of which tropical fruit?
• The characteristic flavor in banana is mainly due to the presence of which chemical compound?
• ‘Sonaka’ is an important seedless grape variety derived from mutation in which parent cultivar?
• The polyembryonic rootstock ‘Turpentine’ is used in propagation of which tropical fruit crop?
• Which plant hormone is primarily associated with the enhancement of senescence in fruit crops?
• The undesirable enzymatic browning observed in cut apples is mainly caused by which of the following enzymes?
• Controlled atmospheric storage of fruits aims to regulate which key atmospheric gases for prolonging shelf life and quality?
• Which of the following compounds serves as the biochemical precursor for the synthesis of the plant hormone ethylene?
• The characteristic fruity aroma in most ripe fruits is largely attributed to the presence of which chemical group?
• In pomegranate cultivation, which of the following practices is used effectively to reduce damage by the pest ‘anar butterfly’?
• Which of the following fruits is considered the most suitable for preventing scurvy due to its high vitamin C content?
• ‘Granulation’ is a serious internal fruit disorder affecting which of the following fruit crops?
• ‘spongy tissue’ in mango fruits is categorized under which of the following causes?
• ‘Mohitnagar’ is a well-recognized cultivar of which of the following plantation crops?
• From a botanical perspective, the mature fruit of litchi is classified as which of the following fruit types?
• The common mango disorder known as ‘black tip’ is typically associated with which of the following environmental factors?
• The mango hybrid ‘Mallika’ is the result of a cross between which of the following parental combinations?
• At what concentration (in ppm) is NAA most effective in controlling floral malformation in mango orchards?
• In mango, the soil application of paclobutrazol is most useful for mitigating which problematic phenomenon?
• ‘Umran’ is a prominent commercial cultivar of which indigenous fruit?
• Which herbicide is effectively used as a pre-emergence weed control in lilium cultivation?
• Which among the following chrysanthemum varieties is not considered suitable for making garlands?