Class 7 Exam  >  Class 7 Videos  >  Process of Pollination and Fertilization in Flowering Plants

Process of Pollination and Fertilization in Flowering Plants Video Lecture - Class 7

FAQs on Process of Pollination and Fertilization in Flowering Plants Video Lecture - Class 7

1. What is the process of pollination in flowering plants?
Ans.Pollination is the transfer of pollen grains from the male anthers of a flower to the female stigma of the same or another flower. This process can occur through various agents such as wind, water, insects, birds, or animals. Successful pollination is essential for fertilization to take place.
2. How does fertilization occur in flowering plants?
Ans.Fertilization in flowering plants occurs after successful pollination. Once pollen grains land on a compatible stigma, they germinate and grow a pollen tube down the style toward the ovary. The male gametes travel through this tube and fuse with the female ovule, resulting in the formation of a zygote, which eventually develops into a seed.
3. What are the different types of pollination?
Ans.The two main types of pollination are self-pollination and cross-pollination. Self-pollination occurs when pollen from the same flower fertilizes its ovules, while cross-pollination involves the transfer of pollen between different flowers, often facilitated by pollinators like bees or wind. Each type plays a crucial role in genetic diversity and plant reproduction.
4. What role do pollinators play in the pollination process?
Ans.Pollinators, such as bees, butterflies, birds, and bats, play a vital role in the pollination process. They visit flowers to collect nectar and pollen for food, unintentionally transferring pollen from one flower to another, which promotes cross-pollination. This not only aids in fertilization but also enhances genetic diversity among plants.
5. Why is pollination important for flowering plants and ecosystems?
Ans.Pollination is crucial for flowering plants because it leads to fertilization and the production of seeds, which are essential for plant reproduction. Additionally, pollination supports biodiversity and helps maintain healthy ecosystems, as many animals rely on flowering plants for food. Without effective pollination, many plants would fail to reproduce, leading to reduced food supply and habitat loss for various species.
Related Searches

Process of Pollination and Fertilization in Flowering Plants Video Lecture - Class 7

,

Exam

,

Important questions

,

Process of Pollination and Fertilization in Flowering Plants Video Lecture - Class 7

,

video lectures

,

pdf

,

shortcuts and tricks

,

Process of Pollination and Fertilization in Flowering Plants Video Lecture - Class 7

,

Extra Questions

,

Previous Year Questions with Solutions

,

MCQs

,

practice quizzes

,

Sample Paper

,

Viva Questions

,

Free

,

Summary

,

Objective type Questions

,

past year papers

,

study material

,

Semester Notes

,

mock tests for examination

,

ppt

;