Kinnow is a citrus hybrid that is a cultivar of.

📌Other Options Explanations:
(a) Phalsa: Phalsa is unrelated to citrus fruits and belongs to the family Malvaceae, not Rutaceae (the citrus family).
(c) Sweet Orange: Sweet orange (Citrus sinensis) is a different citrus species.
(d) Sweet Lime: Sweet lime (Citrus limetta) is another citrus specie.

🛑 Additional Information:::

• Features of Kinnow:
High Yield: Known for its prolific production of juicy fruits.
Rich in Vitamin C: Popular for its nutritional benefits.
Cold Resistance: Adaptable to various climatic conditions.