______ parasitic weed is known as a total root parasite. (CG ADA 2023)

✅Explanation:Orobanche, also known as broomrape, is a total root parasite.It lacks chlorophyll and cannot produce its own food.It depends entirely on the host plant for nutrients and water by attaching to the host's roots.

📌 Other option explanations:
-Striga: Striga is also a root parasite, but it's a hemiparasite, meaning it can photosynthesize to some extent.
-Cuscuta (Dodder): Cuscuta is a stem parasite, not a root parasite.
-Potamogeton: Potamogeton is an aquatic plant and not a parasite.