Which type of placentation is characterized by the ovules developing on the inner wall of the ovary or on peripheral part, as seen in mustard and argemone?
Show answer & explanation
Correct answer: A
Explanation
Answer: Parietal
Explanation: The correct type of placentation seen in Mustard and Argemone is parietal placentation. In this type, ovules are attached to the inner wall or peripheral part of the ovary. This occurs in a unilocular ovary where the ovary is divided into chambers by false septa.
Additional Key Points:
Placentation refers to the arrangement of ovules inside the ovary.
Types of placentation include: parietal, axile, basal, and free central.
Parietal placentation is common in plants of the mustard family (Brassicaceae).
Example plants: mustard, argemone, cucumber.
Potential Exam-Oriented Questions & Answers:
Question: Give an example of plant showing parietal placentation.
Answer: Mustard or Argemone
Question: How many main types of placentation are found in flowering plants?
Answer: Four (Parietal, Axile, Basal, Free central)