Practice Horticulture and Details Questions and Answers

• Which species of rose exhibits the highest resistance to cold climatic conditions?
• The calyx splitting disorder commonly observed in carnation flowers is primarily due to which of the following causes?
• Under Bangalore climatic conditions, what is the most recommended schedule for rose pruning?
• Among the types of carnations, which one is predominantly cultivated on a commercial scale in greenhouse conditions?
• Marigold plants were first introduced and widely spread across different parts of the world during which historical period?
• Which carnation variety has demonstrated resistance against Fusarium wilt, making it suitable for disease-prone areas?
• Which among the following is the most common disease affecting lilium plants in floriculture production?
• A corm, which is used in vegetative propagation of certain flowers, is morphologically classified as a modified:
• What is the most suitable harvesting stage of rose when grown for cut flower purposes to ensure long vase life?
• Chrysanthemum is categorized under which photoperiodic response group for flowering?
• In carnation cultivation, what is the minimum night temperature threshold required for healthy plant growth?
• Grassiness, a physiological disorder in carnations characterized by abnormal flower development, is primarily caused by:
• Which is considered the best season for taking chrysanthemum cuttings to ensure successful rooting and establishment?
• In gladiolus cultivation, what is the primary reason for the practice of disbudding during the flowering period?
• Which plant growth regulator is commonly sprayed to promote uniform flowering in chrysanthemum plants?
• Which of the following is the most suitable pH range for gladiolus cultivation to support optimal growth and corm development?
• What is the primary function of applying ethylene-releasing compounds like ethephon in cut flower crops?
• Which nutrient deficiency is most commonly associated with distorted and brittle petals in cut flowers like gerbera?
• Under which low-temperature conditions can orchid flowers be safely stored for up to two weeks without compromising their quality and freshness?
• In citrus fruits, harvesting maturity is best determined by evaluating which of the following chemical indicators?
• Among the various plant pigments, which class is oil-soluble and contributes to the yellow, orange, and red coloration of many fruits and vegetables?
• Tomato fruits intended for the preparation of processed products like paste or puree are ideally harvested at which ripeness stage?
• What is the standard maximum permissible level of sulphur dioxide (SO₂) used in concentrated fruit juice as a preservative to inhibit microbial growth?
• Which important group of water-soluble plant pigments is primarily responsible for producing red to purple coloration in many fruits and flowers?
• At what temperature range should cabbage be stored to maintain its postharvest quality and extend shelf life for a few months?
• Which chemical is most commonly used to delay fruit ripening and extend shelf life by acting as an ethylene action inhibitor during postharvest storage?
• What is the ideal storage temperature range to preserve the freshness and shelf life of chillies in cold storage systems?
• When preparing for long-term storage and market shipment, at which physiological stage should mango fruits ideally be harvested?
• Among the various respiration pathways in fruits, the Respiratory Quotient (RQ) value of 1 is commonly associated with which specific respiratory substrate...
• In which state of India is the first and largest multi-commodity cold storage chain, known as the “Mother Dairy Cold Chain,” located and operated?...
• The banana is known to produce a high amount of a particular plant hormone responsible for its rapid ripening after harvest. What is that hormone?
• Which of the following fruits does not exhibit significant ethylene production and does not undergo major changes in flavor and texture after harvest?
• Which fruit is considered to be climacteric and exhibits a noticeable rise in respiration and ethylene production, making it suitable for harvesting before...
• Which among the following is a physiological disorder in rice that results from zinc deficiency and causes stunted growth and bronzing of leaves?
• Which of the following crops requires the highest amount of potassium for optimum yield and quality?
• Which of the following is a common pre-emergence herbicide applied to control annual weeds in wheat, primarily targeting grassy species?
• What is the minimum required temperature (in °C) for wheat seed germination to begin, allowing radicle emergence under optimal conditions?
• Which of the following is a direct method of weed control involving the mechanical destruction or physical removal of weeds?
• Which of the following statements best describes the zero tillage system widely adopted in the Indo-Gangetic plains for wheat after rice harvest?
• The symbiotic association ,Mycorrhizae help in absorption of: