Answer: Water lettuce.
- A Water lettuce
- B a plain mango tree
- C only the tall bamboo
- D some dry cactus pad
Correct answer: A. Water lettuce
Explanation: Aquatic plants like Pistia (water lettuce) reproduce by offsets.
Structure of a mature flower. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Asexual and sexual reproduction, flower anatomy, pollination, fertilization, and seed development.