Q.10 Which one of the following is an endangered plant species of India?

(1) Rauwolfia serpentina

(2) Santalum album (sandalwood)

(3) Cycas beddonei

(4) All of the above

Ans. (d) All of the above-mentioned plants are endangered plant species of India. Rauwolfia serpentina (sarpgandha), Santalum album (sandalwood), and Cycas bèddonei are facing the threat of extinction due to their medicinal and commercial importance.