Biology Practicals Class 12
Pollen Germination: The Mystery of Flowering Seeds
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About Simulation
- In this biology practical, you will learn about pollination.
- You will explore the pollen germination experiment and its process, along with a brief idea about cross pollination and self pollination.
- You will learn to observe the pollen tube generation using a microscope.
- In the pollen germination experiment, you will observe that pollination of pollen grains develops a little pollen tube that travels through style to the ovary.
- You will understand the interesting process of germination of pollen on the stigma.
- You will help your friend solve a problem he faces, in his garden, by applying your knowledge of pollination and pollen germination.
- This interaction creates a very realistic environment and gives you a real-life experience.
- Every step of this biology experiment in our virtual lab, including setting up the experimental setup, dissecting the specimen, demonstrating the models, making permanent slides, and many more, is very interactive and has been simulated in a way that is very similar to what you would do in a real lab.
Simulation Details
Description
Pollination is an essential aspect of a flowering plant’s life cycle. It is the process of pollen grains being transferred from a flower’s anther to the stigma of the same or another blooming flower by an abiotic or biotic mechanism. Hence, the development of seeds or pollen germination on the stigma of a flower is called pollen germination. The ovules of flowering plants are held within a hollow organ called the pistil, and pollen is deposited on the stigma, the pistil’s receptive surface.
Pollen germination occurs on the stigma by absorbing water and nutrients. The stigma delivers hormonal signals to the pollen grains, which directs them to elongate into the pistil. The length of the style varies for every plant, aiding the pistil in weeding out any unsuitable pollen tubes that fail to develop long enough to fertilize the ovules appropriately. The ovary matures into a dry or meaty fruit that encloses the seeds.
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Requirements for this Science Experiment
⦁ Fresh mature flower ⦁ Glass slide ⦁ Glass rod ⦁ Dropper ⦁ Compound microscope
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