Q. How many plants in the list given below have marginal placentation? Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli, Colchicum, Onion, Moong, Pea, Tobacco, Lupin
A) Four
B) Five
C) Six
D) Three
Explanation
[Solution from source] Marginal placentation is typical of the monocarpellary ovary of Fabaceae: gram, arhar, sun hemp, moong, pea and lupin, which makes six. Mustard has parietal placentation and tulip, asparagus, colchicum, onion, chilli and tobacco have axile placentation. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.