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Q29
(IAS/2008)
Science & Technology › Basic Science (Physics, Chemistry, Biology) › Plant anatomy physiology
Answer Verified
Which one of the following is an insectivorous plant?
Result
Your answer:
—
·
Correct:
B
Explanation
Pitcher plants are classic insectivorous (carnivorous) plants that employ a pitfall trapping mechanism: modified leaves form tubular or pitcher‑shaped traps into which insects slip and are digested, often aided by nectar, slippery rims and digestive fluids [1]. Genera such as Nepenthes and Sarracenia are well‑known pitcher plants found in tropical and temperate habitats; their pitchers capture and provide nutrients from arthropod prey, making them insectivorous by definition [2]. The other listed species—passion flower (Passiflora), night queen (Cestrum nocturnum) and flame of the forest (Butea monosperma)—are ordinary flowering plants and not carnivorous. Therefore option 2 (Pitcher plant) is the correct answer.
Sources
- [1] Environment, Shankar IAS Acedemy .(ed 10th) > Chapter 13: Plant Diversity of India > 13.3. INSECTIVOROUS PLANTS > p. 198
- [2] https://www.kew.org/read-and-watch/carnivorous-plants
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