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What is pollination? What are the main forms of pollination?
The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is known as pollination.
Characteristics of the flowers of every plant species relate to the type of pollination used by the plant. Colored flowers are specialized in bird and insect attraction; nocturnal flowers normally are white and perfumed, a lot of specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that make an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more external or internal next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
Fine Structure of Pollen Tubes Grown in Vitro The growth in pollen tubes is exclusively restricted to the tip. Cytochemical analysis reveals the pollen tip zone to be rich in
What are some diseases or genetic abnormalities caused by dominant genes? Why are severe dominant genetic diseases rarer than recessive ones? Instance of dominant genetic disea
Minerals :-Nickel Food Source Plant foods Nutritional Functional role Essential nutrient: Deficiency in humans unknown. Catalyst: hydrogenation in
Q. Provision of Additional Tooth Support? Transitioning a patient from a complete denture to an implant supported fixed prosthesis have resulted in a dramatic improvement in th
Explain about the Component of Metalloenzymes? Zinc is unique among the trace elements in that it is a part of enzymes for all six Enzyme Commission classes. As a component of
Parthenocarpy It is generally observed that the fruit develops after fertilization and it has fertile seeds inside it. However, this is not always so. Fruits of certain variet
Diploidy and Haploidy :: In the chromosomal complement given species not all the chromosomes are different from each other .In fact these are in pairs ,i.e. every two chrom
what is the respiratory organ of phylum protozoa?
How we can measure perimplant PD Perimplant PD should be measured routinely during maintenance appointment with a less probing force (0.2 to 0.3 N) as the tissue is more sensit
Define Historical example of management of renewable resources? There are fundamental and well developed applications of mathematical and quantitative approaches to the managem
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