AP BIOLOGY

Detailed explanation-1: -Answer: Pollen grains. They are the yellow powdery substance present in the anther of a flower and contain male gametes.

Detailed explanation-2: -The yellow powdery substance that sticks to our hand when we touch some flowers is called pollen grains. The pollen grains help in producing new plants and flowers.

Detailed explanation-3: -pollen, a mass of microspores in a seed plant appearing usually as a fine dust. Each pollen grain is a minute body, of varying shape and structure, formed in the male structures of seed-bearing plants and transported by various means (wind, water, insects, etc.) to the female structures, where fertilization occurs.

Detailed explanation-4: -The anthers of the stamen produce a powdery material called pollen which consists of particles called pollen grains. A pollen grain is a microscopic body that contains the male reproductive cell of a plant.

Detailed explanation-5: -Powdery mildew is a common fungus that affects a wide variety of plants. It is easily identified and appears as light grey or white powdery spots usually found on infected leaves, but can also be found underneath, or on stems, flowers, fruit or vegetables.