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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.
Patients with heart failure have a high incidence of both symptomatic and asymptomatic arrhythmias. About 10 per cent of patients have syncope or presyncope resulting from ventr
Explain about the Colour Sense Colour Sense is the faculty whereby we are enabled to distinguish colours as excited by light of different wave length. The ability to a
Stomata can open and close in response to changes in the CO 2 concentration inside the leaf. Would you expect stomata to open or close if the CO 2 concentration decreased? Explai
Autotrophic and Heterotrophic Succession The succession where initially the green plants are much greater in quantity than the animals, is known as autotrophic succession. Su
Discuss the similarities and differences of transposable elements in E. coli, yeast, plants, and Drosophila.
Fungal Infections Intravenous infusion of amphotericin B deoxycholate frequently causes fever and chills, and sometimes headache, nausea, vomiting, hypotension and tachypnea,
TYPES OF FERTILIZATION - On the basis of site of fertilization, it is of two types - 1. External fertilization 2. Internal fertilization 1 . EXTERNAL FERTILIZ
RAP can be determined semiquantitatively by assessing collapse of the inferior vena cava during inspiration. The inferior vena cava is imaged subcostally and its diameter is exa
Evidence for Existence of Light and Dark Reactions The process of photosynthesis was known in its bare outline already at the beginning of this century. But the phenomenon wa
why is it known as middle man
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