Q. Which of the following species is/are designated as critically endangered in the Red Data book of IUCN?

1. Pterocarpus santalinus
2. Chlorophytum borivilianum
3. Mentotaxus assamica
4. Indian bdellium

Choose the correct answer using the codes given below:
Answer: Only 2 & 4
Notes: Pterocarpus santalinus (Red Sanders) is an Indian endemic tree in the Eastern Ghats, classified as endangered. Safed musli (Chlorophytum borivilianum) is a medicinal plant in India, known as 'white gold,' and is critically endangered. Mentotaxus assamica (Assam Catkin Yew) is found in Arunachal Pradesh and is listed as endangered. The Indian bdellium tree (gugal) is critically endangered due to unsustainable extraction methods.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.