Which of the following is an endangered medicinal plant?

Correct option is A

Correct Answer: (a)
Explanation:
Sanatalum ellipticum (Sandalwood) is listed as an endangered medicinal plant due to excessive exploitation for aromatic oil and habitat loss.
Information Booster:
Sandalwood trees are highly valued for fragrance and medicinal use.
Overharvesting and illegal trade reduced natural populations.
Conservation programs are ongoing in India and other regions.
Medicinal properties include antiseptic and anti-inflammatory effects.
Protected under biodiversity conservation acts in many countries.
Additional Information (Incorrect Options):
(b) Parthenium hysterophorus → an invasive weed, not endangered.
(c) Ocimum tenuiflorum (Tulsi) → widely cultivated, not endangered.
(d) Bauhinia variegata → common ornamental tree, not endangered.