A. Only androecium and gynoecium
A.
B. Only sepals and petals
B.
C. Only ovary and anther
C.
D. All four whorls
D.
Correct Answer: D
সঠিক উত্তর: D
Explanation
ব্যাখ্যা
A complete flower consists of four distinct parts or whorls:
Sepals:
These are the outermost part of the flower, often green and leaf-like, protecting the developing bud.
Petals:
These are usually brightly colored and attract pollinators.
Stamens (Androecium):
The male reproductive part of the flower, responsible for producing pollen.
Pistil (Gynoecium):
The female reproductive part of the flower, containing the ovary, stigma, and style.