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

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31. Explain four functions of the liver. 


Functions of liver

(1) It acts as an exocrine gland for the secretion of bile.

(2) It acts as a store house for various substances like glucose, lipids

(3) It plays a protective role by detoxifying substances including drugs and alcohol.

(4) It helps in the removal of unwanted particulate matter from the blood through the mediation of macrophages.

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32. Write four advantages of cross pollination over self pollination. 
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33. Explain the mechanism of hearing by the human ear.  
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34.

Differentiate between : 

(i) Reparative and Restorative regeneration.

(ii) Capacitation and fertilization.

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35. Name the second and tenth cranial nerves and write one function of each.  
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36.

Give one difference between:

(i) Intraspecific struggle and Interspecific struggle.

(ii) Somatogenic variation and Blastogenic variation.

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 Multiple Choice QuestionsLong Answer Type

37.

(a) Give the anatomical differences between a dicot leaf and a monocot leaf.

(b) Enlist the functions of mineral elements in the life of a plant. What do you mean by essentiality of an element ?

(c) Write the differences between nastic and tropic responses.

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38.

Describe the internal structure of the human heart.

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39. Explain the counter-current system in the nephron. 
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40. Give the differences between cyclic and Non-cyclic photophosphorylation.
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