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EXCRETION IN FLATWORM -
Main organs are flame cells, having bundle of cillia.
It receives solute and water from surrounding tissue fluid by ultra filtration & discharge the filtrate into nephredial ducts.
Here reabsorption occur. Excretory material are given out through excretory pore.
DIFFERENT PHASES OF SPERMATOGENESIS Spermatogenesis complete into two phases. 1 . Spermatocytogenesis The entire process can be divided into three phases : (i
Q. What is yellow fever? The Yellow fever is a viral infection that occurs mainly in Central Africa and in the Amazon region of South America. It is prevented by vaccination an
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Define Essentiality of Phosphorus for Growth of Micro-Organism Phosphorus is used in the form of phosphate salt by microorganisms. It is involved in formation of nucleic acids,
why is virus an exception of cell theory
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Explain what happens when the cell membrane or plasma membrane ruptures or breaks down? Ans) When cell membrane ruptures Ions leek out and unless repaired in time the cell will
before stem cuttings are planted the cut end of the stem is often dipped in a hormone powder .what is the point of this?
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
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