Statement I: A typical angiosperm anther is bilobed with each lobe having two theca, i.e., they are dithecous.
Statement II: The anther is a four-sided (tetragonal) structure consisting of four microsporangia located at the corners, two in each lobe.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) →Both Statement I and Statement II are correct.
Explanation:
Statement I : "A typical angiosperm anther is bilobed, with each lobe having two theca, i.e., they are dithecous." – Correct
- In most angiosperms, the anther is bilobed (has two lobes).
- Each lobe contains two theca (chambers), making the anther dithecous.
- The theca contain microsporangia, where pollen grains develop.
Statement II : "The anther is a four-sided (tetragonal) structure consisting of four microsporangia located at the corners, two in each lobe." – Correct
- The typical anther is tetragonal (four-sided) and has four microsporangia at its corners.
- Each lobe contains two microsporangia, leading to four microsporangia in total.
- These microsporangia later develop into pollen sacs that produce pollen grains.
Final Answer:
Both Statement I and Statement II are correct.