Скачать или смотреть Chapter #3: Lecture 1 Grade 7 science PTB|| Reproduction in plants Part-1 Pollination and its types

We have discussed lecture number one of grade 7 science PTV reproduction in plants part 1 pollination is defined what is reproduction what are types of pollination cross pollination and self pollination how pollen grains are transferred to carpal how it lead to the formation of fruits.
Important terms to know
Reproduction
Pollination
Types of pollination
Cross pollination
Self pollination
Factors affecting pollination
Factors that helps pollination
Development of fruit through pollination
Formation of gametes in plants


Why male and female papaya plants are grown near to each?
How animals, instects, birds, wind helps in Pollination?
What is the role of petals in pollination?

What are parts of a flower?
Sepals
Petals
Stamen
Carpel


Paricarp
Ovule
Ovary
Sperm
Egg