• Cultivation of Vanilla (Vanilla planifolia, family Orchidaceae):
• is Correct: Commercial vanilla cultivation in India is concentrated in the high-humidity, high-rainfall plantation belts of Southern India (Kerala, Karnataka, and Tamil Nadu).
• is Correct: Commercial propagation is achieved through shoot / vine cuttings ($60-100\text{ cm}$ long with 6–8 nodes) rooted in polythene bags or planted directly.
• is Incorrect: As an epiphytic climbing orchid, vanilla possesses aerial climbing roots and mandatorily requires live support trees / trellises (Gliricidia sepium, Erythrina).
• is Correct: Standard planting layout recommends a spacing of $2.5 - 3.0\text{ m}$ between rows and $2.0\text{ m}$ within the row.
• Correct Option: Option 2 ((A), (B) and (D) only).

• Black Pepper $\rightarrow$ (III) Panchami: 'IISR Panchami' is a high-yielding black pepper selection developed by ICAR-IISR, Kozhikode, Kerala.
• Fennel $\rightarrow$ (IV) Pant Madhurika: An improved fennel variety bred and released by GBPUAT, Pantnagar.
• Coriander $\rightarrow$ (I) Pant Haritima: High-yielding, stem gall-tolerant coriander variety developed by GBPUAT, Pantnagar.
• Turmeric $\rightarrow$ (II) Suguna: 'IISR Suguna' is a high-curcumin ($7.3\%$) short-duration turmeric variety developed by ICAR-IISR, Kozhikode.
• Correct Combination: (A)-(III), (B)-(IV), (C)-(I), (D)-(II), matching Option 1.

Correct option: (1) (A) - (ill), (B) - (IV), (C)- 0, (B) - (I)

• 'MAS-1' Variety of Japanese Mint (Mentha arvensis):
• Developed at CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), Lucknow.
• Developed through mutation breeding by irradiating suckers of Japanese mint with physical mutagens (gamma rays).
• Notable for high herb yield and superior essential oil recovery ($0.8 - 1.0\%$) containing over $80 - 85\%\text{ l-menthol}$.
• Correct Option: Option 1 (Japanese mint).

• 'Sree Mangala' Arecanut (Areca catechu, family Arecaceae):
• Developed by ICAR-Central Plantation Crops Research Institute (CPCRI), Regional Station, Vittal (Karnataka).
• Released through mass pedigree selection from the elite exotic germplasm accession VTL-17 (introduced from Singapore / South East Asia).
• Characterized by high nut yield ($3.18\text{ kg chali/palm/year}$), early bearing, and bold oblong nuts.
• Correct Option: Option 4 (VTL-17 / VTL-AT in OCR).