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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.
Pollen Stigma Interaction - Stigma The Stigma After landing on the stigma pollen grain germinates, and produces a pollen tube that carries the male gametes. The stigma has bee
Q. What do you understand by Hypelglycemia? Hypelglycemia (abnormally high blood sugar): Maintenance of blood glucose levels within or close to the normal range has been stress
Copper deficiency Copper deficiency may be primary or secondary (conditional). Primary copper deficiency occurs due to its inadequate dietary intake; whereas secondary copper d
Floor of nose and Nasal spine Although variable, the nasal floor is typically situated 5-9mm below the level of inferior turbinates. The inferior piriform rim is used as a guid
Functions of Citric Acid Cycle The citric acid cycle is an amphibolic pathway i.e. it is involved in both anabolic and catabolic processes
Most RNA molecules are single-stranded but an RNA molecule should hold regions that can form complementary base pairing where the RNA strand loops back on i
Mr. Smith read that cholesterol was bad for his health so he eliminated all foods and food products containing this molecule. He later found that his cholesterol level dropped only
Explain the term Rastelli operations ? This is the operation of choice for transposition with VSD and left ventricular outflow obstruction. The principle of this operation is:
What is deplasmolysis of plant cells? The plant cell when placed under hypertonic medium loses a huge amount of water and its cell membrane detaches from the cell wall. In that
Q. Does Ascaris lumbricoides present an intermediate host? An Ascaris is a monoxenous parasite, its life cycle is dependent only on one host and so it doesn't have intermediate
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