ISC Class 12 Biology Solved Question Paper 2009

Short Answer Type

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Give one significant difference between each of the following:

Arteriosclerosis and Atherosclerosis

Arteriosclerosis Atherosclerosis
Arteriosclerosis is due to hardening of the arteries due to age and diseases. Atherosclerosis is due to fat deposits in the blood walls due to diet and lack of metabolism of fat/lipids.
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    Give one significant difference between each of the following:   

    Heart Wood and Sap Wood

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    Give one significant difference between each of the following:  

    Tranquillizers and Sedatives

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    Fill In the Blanks

    Fill in the blanks :

    The pigment in red muscle fibre is________

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    Fill in the blanks :

    _________is the causative agent of Cholera.

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    Fill in the blanks:

    The biological name of Tulsi plant is________

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    Fill in the blanks :

    Amount of blood pumped by heart per minute is called________

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    Short Answer Type

    Give one significant difference between each of the following:

    Myogenic heart and Neurogenic heart

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    Fill In the Blanks

    Fill in the blanks :

    Ethylene accelerates_________of leaves, flowers and fruits.

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    Short Answer Type

    (a) Give one significant difference between each of the following:  

    Absorption spectrum and Action spectrum

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