Insect pollinated flowers usually possessA. Sticky pollens with a rough surfaceB. A large number of pollensC. Brightly colored pollensD. Dry pollens with a smooth surface

The correct answer is A. Sticky pollens with a rough surface.

Explanation:
Insect-pollinated flowers have specific characteristics that help attract insects and ensure effective pollination. Here is a breakdown of the options:

Sticky pollens with a rough surface: This is the correct answer because insect-pollinated flowers typically produce sticky or rough-surfaced pollen. This texture allows the pollen grains to attach easily to the bodies of insects, which then transport the pollen from one flower to another. This method increases the chances of successful pollination when the insect visits other flowers of the same species.

A large number of pollens: While some insect-pollinated flowers may produce a fair amount of pollen, they usually do not need as much as wind-pollinated plants. In wind pollination, a large quantity of pollen is produced to increase the likelihood of reaching another flower by random distribution through the air. Insect-pollinated flowers are more efficient since insects directly transfer pollen between flowers.

Brightly colored pollens: This is incorrect because insect-pollinated flowers often have brightly colored petals rather than pollen to attract insects. The visual appeal of colorful petals is what draws insects to the flowers, while the pollen itself is usually not colored.

Dry pollens with a smooth surface: This characteristic is typical of wind-pollinated plants, where light, dry, and smooth pollen grains are easily carried by the wind. In contrast, insect-pollinated flowers require pollen that can stick to the insect’s body.

In summary, insect-pollinated flowers are adapted to have sticky, rough-surfaced pollen to facilitate pollen transfer by insects, making Option A the correct answer.