Flower A is to be pollinated with flowers 1,2 and 3. a)Suggest a pair that will pollinate successfully and why? b) Are these insect-pollinated flowers or wind-pollinated flowers? Give reason.
Answers
Answer:
a) Flower A and 3. Cross pollination (transfer of pollen grains from anther to stigma of a same plant or different plant of same species) occurs here.
b) These are insect pollinated flowers as their pollinating agents are insects. Furthermore they've sticky pollen grains, bright colored petals and are fragrant.
Explanation:
Male and female parts of a flower is known as Androecium and Gynoecium. Sepals are the green leaf-like structure which is present at the base of the flower while petals are colorful which attracts insects for pollination.
Transfer of pollen grains from anther to stigma of a flower is known as pollination. It's pollinating agents are wind, water, insects etc. If the pollinating agent is insect then it is known as insect pollinated flowers. Stigma of insect pollinated flowers is small and deep inside the petals which comprised of bright colours. Whereas it's pollen grains are larger in size & are sticky.
→ Flower A = Rose
→ Flower 1 = Calliandra haematocephala
→ Flower 2 = Sunflower
→ Flower 3 = Rose