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. Mention two differences between antibodies and interferons. 
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42.

Who was the originator of the theory of Natural Selection ? Explain the evolution of species by this theory.

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43.

Write the causative agent and the most important symptom of each of the following diseases : 

(i) Whooping cough 
(ii) Tuberculosis
(iii) Measles
(iv) Malaria

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44.

Differentiate between :

(i) Spontaneous and Induced Mutation.

(ii) Geographical and Reproductive Isolation.

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45. What is addiction ? State any four reasons of drug addiction. 
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 Multiple Choice QuestionsLong Answer Type

46.

Give an account of the activity of the cambium in the secondary growth of the stem.

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47. Define turgor pressure. Explain the significance of turgidity in plants.
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48. Draw a labelled diagram of the longitudinal section of a long bone


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49. Give an account of the digestion of carbohydrates in the human alimentary canal.
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50. Give a graphic outline of the biosynthetic phase of photosynthesis.
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