ISC Class 12 Biology Solved Question Paper 2013

Short Answer Type

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Mention the most significant function of the following:

Parenchyma    

Parenchyma: Gives mechanical support, helps in photosynthesis, storage, respiration and secretion, provides buoyancy and helps in conduction of water and food materials.

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    Explain what would happen if:

    Magnesium element is deficient in the soil.

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    Explain what would happen if:

    Silicon emulsion is applied over the surface of leaves.

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    Explain what would happen if:

    Blood clots in the coronary artery.

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    Mention the most significant function of the following:

    Leg haemoglobin

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    Mention the most significant function of the following:

    Semicircular canals 
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    Explain what would happen if:

    Beta cells in the islets of Langerhans are damaged.

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    Mention the most significant function of the following:

    Bowman’s capsule 
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    Explain what would happen if:

    Excess fertilizers are added to soil.

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    Given one difference between each of the following:

    Auricles and Ventricles.

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