Grade 6 Exam  >  Science for Grade 6  >  The Role of Flowers in Plant Reproduction
The Role of Flowers in Plant Reproduction
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FAQs on The Role of Flowers in Plant Reproduction Video Lecture - Science for Grade 6

1. How do flowers aid in plant reproduction?
Ans. Flowers play a crucial role in plant reproduction by producing pollen and attracting pollinators such as bees, butterflies, and birds. This allows for the transfer of pollen from one flower to another, leading to fertilization and seed production.
2. What are the different parts of a flower involved in reproduction?
Ans. The main parts of a flower involved in reproduction are the stamen (male reproductive organ) which produces pollen, and the pistil (female reproductive organ) which contains the ovary where the seeds are formed. Additionally, the petals and sepals help in attracting pollinators.
3. How do flowers ensure cross-pollination?
Ans. Flowers have evolved various mechanisms to promote cross-pollination, such as producing different types of pollen grains, producing nectar to attract pollinators, and having specific structures that prevent self-pollination. These mechanisms help in increasing genetic diversity in plants.
4. Why are flowers brightly colored and fragrant?
Ans. Bright colors and fragrances in flowers are adaptations that help attract pollinators. Bees, butterflies, and other pollinators are drawn to these visual and olfactory cues, which increases the chances of pollen transfer between flowers, ultimately aiding in plant reproduction.
5. What happens after pollination in flowers?
Ans. After pollination, the pollen grain lands on the stigma of the pistil and germinates, forming a pollen tube that grows down to the ovary. The male gametes then travel through the pollen tube to fertilize the egg cell in the ovule, leading to the formation of seeds.
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