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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.
Two gene loci, A and B, assort independently, and alleles A and B are dominant over alleles a and b. Indicate the probability of producing: An aB phenotype from a cross AaBb x AaBB
Mode of nutrition in lizards
By now you know that diabetes cannot be cured but can be treated so that an individual leads a normal life. Patients who maintain their blood glucose levels within the normal range
Q. Can High blood pressure cause coronary sclerosis? High blood pressure causes coronary sclerosis (hardening in early stages, fatty lesions in the inner surface of [he artery
What is xaxim? Most pteridophytes have subterraneous stems similar to the substrate called as rhizomes. Xaxim is a kind of pteridophyte with an aerial stem in generally perpend
What is Large Intestine in human biology? Food undigested in the small intestine is passed on by peristalsis into the large intestine, or colon. The intestine is composed of ci
Q. Etiological factor of lactose intolerance? These diseases are referred to as idiopathic (cause unknown) and though the possible mechanism suggested includes genetic factors,
Autogamy - Patterns of Sexual Reproduction It is known to take place in many ciliate protozoans including Paramecium. Autogamy involves same nuclear behavior like in conjugati
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DISORDER S OF THE GONADS Hypogonadism. Inadequate gonadal function is called hypogonadism. It is due to defects in, or injury to the hypothalamus, the pituitary gland, of th
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