Q1 What is pollinations? And self polinations and cross pollination ? Q2 What is fertilization? Q3 What is cell and the theory of cell?
Answers
Answer:
In plants, pollination plays an important role in reproduction.
Pollination is the sexual method of reproducing in all plants by the process of transferring the pollen grains from the anther to the stigma of the gynoecium and thereby permitting the fertilization process. In this process, the spermatophytes or the seed plants pass their genetic information to its next-generation, just like all other living organisms.
Christian Konrad Sprengel first identified the process of pollination in the 18th century. This is commonly known as an interaction between pollen vector and a flower. The significance is found in agriculture and horticulture.
Cross-Pollination
The cross-pollination is defined as the deposition of pollen grains from a flower to the stigma of another flower. Commonly, the process is done by insects and wind. By insects, the process takes place in several plants like strawberries, grapes, raspberries, tulips, apples, plums, pears, daffodils, and more. Pollination by the wind is observed in different grasses, maples trees, dandelions, and catkins.
Self Pollination
In this process, the pollen grains transfer from the stigma of the same or genetically similar flower. The self-pollination can be observed in legumes such as orchids, sunflowers, peas, peanuts, oats, peaches, potatoes, wheat, and others.
Let us learn more in detail about the differences between the two types of pollination.