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

41.

Give one function and one deficiency symptom of the following : 

Magnesium

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42.

Give one function and one deficiency symptom of the following :

Sulphur

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43.

Give one function and one deficiency symptom of the following :

Molybdenum

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44.

Define the following:

(i) Parthenocarpy
(ii) Root Pressure.

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45. Draw a labelled diagram of the longitudinal section of the human kidney. 
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46. Briefly describe the events that occur during the luteal phase of the menstrual cycle.
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47.

Define:

(i) Peristalsis

(ii) Multiple fruits


(i) Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract.

(ii) Multiple fruits : The multiple fruit develops from an inflorescence where flowers are crowded together and often fused with one another. They are of the following two types :

(1) Sorosis 

(2) Syconus

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48. Explain the elongation of giraffe’s neck according to the theories of Lamarck and Darwin. 
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49.

Define:

(i) Reproductive Isolation

(ii) Homologous Organs.

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50. Enlist the basic modes of transmission of AIDS.
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