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.

Give an account of the follicular phase of the menstrual cycle. 

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32.

Explain the process of spermatogenesis.

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33.

Define Implantation.

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34.

Define Capacitation.

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35.

What is biodiversity? Mention the implications of the loss of biodiversity.


'Biological diversity' means the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part; this includes diversity within species, between species and of ecosystems.

Every ecosystem on earth needs biodiversity and without it the whole web of life that includes us humans will collapse. Species provide important resources so we can survive. This is biodiversity in action. The ocean and biodiversity need each other without biodiversity the ocean would be murky with no sign of life.
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36.

Give any four causes of cancer.

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37.

Mention the causative agent and the preventive measures for the following:
Dengue

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38.

Mention the causative agent and the preventive measures for the following:
Amoebaiasis

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39.

Briefly discuss the reasons for addiction to alcohol.

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40.

Explain sex determination in bees.

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