Practice Horticulture and Details Questions and Answers

• 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:
• the term ‘Green Revolution was coined by ?
• The moisture content of grain for safe storage should be below:
• Which  among the following  can be considered as a biofertilizer?
• Which type of soil provides the best physical environment for a nursery bed?
• What are the standard dimensions recommended for a typical nursery bed?
• What is the generally suggested height for a raised nursery bed?
• Which mixture is considered the "classic" recipe for nursery soil?
• Which medium is specifically favored for use in air layering?
• Which of the following is considered an inappropriate medium for plant growth?
• What is the primary functional benefit of using elevated (raised) beds?
• Why is Sphagnum moss highly valued in horticultural practices?
• What makes vermiculite an advantageous component in a growing mix?
• What is the ideal environmental condition for growing young seedlings?
• Which of the following is the most common commercial method of propagating Mango in India?
• In Guava, which method is considered the fastest and most economical for clonal propagation?
• What is the primary physiological cause of 'Graft Incompatibility' in Pyrus-Quince combinations?
• Which specific part of the plant is used to produce 'haploid' plants in tissue culture?
• Which rootstock is used for producing 'Dwarf' Cashew trees?
• The 'Shield' of bark used in T-budding must contain which of the following?
• Which of the following describes 'Polyembryony' in Citrus?