A. Stigmas are usually large and feathery
B. Nectary is usually absent
C. The pollen grains have rough spiny surfaces
D. The flowers are not scented.

Correct Answer:

Option C – The pollen grains have rough spiny surfaces

Explanation

Wind-pollinated flowers:

  • No bright colors, special odors, or nectar.
  • Small.
  • Most have no petals.
  • Stamens and stigmas exposed to air currents.
  • Large amount of pollen.
  • Pollen smooth, light, easily airborne.
  • Stigma feathery to catch pollen from wind.
SEE ALSO  The activity of an organism which affects the survival of another organism in the same habitat constitutes?

Copyright warnings! Do not copy.