Question

Transmission tissue is a characteristic feature of:

• A. Wet stigma
• B. Dry stigma
• C. Solid style
• D. Hollow style

Answer 1

The correct option is C

Solid style

The correct option is C.

Explanation of correct option:

1. In the center of the solid style, cylindrical transmitting tissue is present which is continuous with the papillae.
2. These cells seem to be elongated in longitudinal sections and roundish in transverse sections.
3. Plasmodesmatal connections are present between transverse and longitudinal walls.

Explanation of incorrect options:

Option A:

1. Plants with wet stigmas secrete an exudate that permits pollen hydration and germination.

Option B:

1. Dry stigma is present in plants where pollen-adhesion precedes hydration.

Option D:

1. In hollow style, entry of pollen tube occurs through the surface of canal cells.

Final answer: Transmission tissue is a characteristic feature of solid style.