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Q. What is the pollination? What are the major forms of pollination?
The procedure in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is called pollination.
The major forms of pollination are: anemophily, in which pollen is carried by wind. Hydrophily, pollination assisted by water; entomophily, pollen carried by insects; ornitophily, pollination by birds; chiropterophily, pollen dissemination by bats.
Features of the flowers of each plant species relate to the type of pollination used by the plant. Colored flowers are expertise in bird and insect attraction; nocturnal flowers in generally are white also perfumed, many specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that produce an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more internal or external next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
Class Polychaeta - Classification of Coelom There are mainly marine forms with distinct head, having eyes and tentacles, segments have lateral projections of the body wall ter
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Q. What do you undersand by pollution? The Pollution is the contamination of an ecosystem by factors that are harmful for the equilibrium of its abiotic or biotic constituents.
Prostaglandins Prostaglandins belong to a subclass of lipids known as the eicosanoids because of their structural similarities to the C-20 polyunsaturated fatty acids, t
Maintenance Therapy A complete remission implies a clinical, haematological and bone marrow remission. For remission therapy drugs like, methotrexate cyclophospharnide and 6-
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Why do you think the mitochondria contain their own DNA (circular) and have a double membrane?
Glycogen A. production in the liver increases in response to an increase in blood plasma levels of glucagon. B. is secreted by alpha-islet cells of the pancreas. C. bindi
Define Influence of Polyphenols on Proteins? You know that tannins are considered as anti-nutritional because their presence is usually accompanied by a reduced protein digesti
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