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Structural Organisation in Animals
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  1. Cancerous cells can easily be destroyed by radiations due to
    1. rapid cell division
    2. lack of nutrition
    3. fast mutation
    4. lack of oxygen
Correct Option: A

The ability of radiations to kill cells is highest in the tissue with the highest number of dividing cells. Tumour cells proliferate rapidly. Hence, tumours are killed more rapidly by radiations.


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