Which among the following is not a carnivorous plant?

Q. Which among the following is not a carnivorous plant?
Answer: Marsh Mallow
Notes: Marsh Mallow is not a carnivorous plant. Whereas Pitcher plant, Venus Fly Trap and waterwheel plant are carnivorous plants. Carnivorous plants derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods.