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CBSE Notes 2011-2012

X

The Rhyme of the Ancient Mariner: Synopsis

Three young men are walking together to a wedding, when one of them is detained by a grizzled old sailor. The young Wedding-Guest angrily demands that the Mariner let go of him, and the Mariner obeys. But the young man is transfixed by the ancient Mariner’s “glittering eye” and can do nothing but sit on a stone and listen to his strange tale.

Julius Caesar: Character Sketch Of Major Characters

1. Brutus

Julius Caesar: A Summary

     Julius Caesar takes place in ancient Rome in 44 b.c. Probably written in 1599, it was the earliest of Shakespeare's three Roman history plays. Julius Caesar is a dramatization of actual events, Shakespeare drawing upon the ancient Roman historian Plutarch's Lives of Caesar, Brutus, and Mark Antony as the primary source of the play's plot and characters.

CBSE BOARD EXAM DATES

The Central Board of Secondary Examination has condicted the exam dates for CLASS X. The exams will be conducted between 1 March 2012 to 15 March 2012. However the exact dates will be decided by the schools.

Vegetative propagation

Definition : in vegetative propagation new plants are obtained from parts of pre-existing plants such as roots stem and leaves. *what are advantages of this method ?
>>plants raised by vegetative propagation can bear fruits and flowers earlier than those produced from seeds.
>>all plants produced are genetically similar enough to parent plant to have all its characters.

notes : asexual reproduction

1. Fission :
it occurs in unicellular organisms like amoeba.
*in this process , the parent organism simply divides to form two or more new organisms of same species.
It is of two types . >binary fission-division of one cell into two similar or identical cells like amoeba
>multiple fission . In multiple fission many individuals are produced from a single organism.

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