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CBSE Notes 2011-2012

Tips for Success

Classwork: How to make the most of your time in class

1. Get ready. In the minute of two before the class gets started, think over what you have been working on recently.

2. Have all necessary equipment: book, pencils or pens, notebook, homework assignment.

5 Ways to Improve Your Memory

You can give good performance in exam only if you remember what you have studied, right ? Don't worry. You can improve your memory.

How to make your errors help you learn

What do you do when an answer is wrong in your homework, or on a test? Do you throw it away and forget it-and then make the same mistake the next time? If you are wise, you will make those errors teach you something. Here’s what you can do:

Exam Stress? It's Natural, So Learn To Deal With It

THE time of the year that students dread the most is upon us once again. If you are suddenly feeling the heat, are restless and can't sleep at night, you are not alone.

You, like your batchmates and most people your age, are feeling the exam pressure.

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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