Subject

Biology

Class

ICSE Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
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 Multiple Choice QuestionsShort Answer Type

31.

Define the following :

Osmosis

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32.

Define the following :

Plasmolysis


Plasmolysis is the contraction of the protoplast of a plant cell as a result of loss of water from the cell when kept in a hypertonic solution.

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33.

Define the following :

Turgor Pressure.

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34. Describe the flow of blood through the heart during different phases of the cardiac cycle.
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35.

Mention the site of secretion and function of the following :

Prolactin

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36.

Mention the site of secretion and function of the following : 

Parathormone

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37.

Mention the site of secretion and function of the following : 

Glucagon

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38.

Mention the site of secretion and function of the following :

Testosterone.

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39. Give two differences between conditioned reflex and simple reflex.
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40.

Give one function and one deficiency symptom of the following :

Zinc

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