Notesale: Turn your study into money

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above

---

SEXUAL REPRODUCTION IN PLANTS STUDY GUIDE
Sexual Reproduction in Plants

IMPORTANT QUESTION
1
...
How do plants Reproduce sexually?
3
...
However, there are some
plants which reproduce by using their Accessory part the flower
...


The receptacle is the enlarged upper end of a flower stalk which Bears the flower or group of flowers
...
When the flower blooms,
The sepal supports the bottom of the flower
...


Petals form the most obvious part of a flower
...
A group of
Petals is called corolla
...
It consists of the filament
And the anther
...
The anther consists of two lobes
That contain pollen sacs
...


The pistil is the female part of a flower
...
The style is a stalk that connects the stigma to
The ovary
...
The stigma is
A swollen structure at the end of the style
...
The mature stigma secretes a fluid that stimulates the Parts of the plant
Pollen grains to germinate
...
The transfer of the pollen grains from the anther to the stigma
Is called pollination
...
Animals and other agents
That aid in sexual reproduction of plants are called agents of pollination
...




Self-polination is the transfer of pollen grains from the anther to the stigma of the same

Fower or of a different fower that belongs to the same plant
...
Cross-pollination
Is the most common form of pollination
...
The Tube releases the sperm cells into the ovule to

Fertilize the egg cell
...
The
Ovary then enlarges and thickens its walls to Become a fruit
...
These seeds can eventually grow the anther to the stigma of a flower in another plant o
Into new plants
...




---