The radioactive Strontium-90 causes :

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Q: 156 (SSC/NA)
The radioactive Strontium-90 causes :

question_subject: 

Science

question_exam: 

SSC

stats: 

0,11,20,9,11,4,7

keywords: 

{'brain cancer': [1, 0, 0, 0], 'bone cancer': [1, 0, 0, 0], 'skin cancer': [2, 0, 1, 1], 'lung cancer': [2, 0, 0, 0]}

Option 1: Brain cancer. This option is incorrect because the radioactive Strontium-90 primarily affects the bones and not the brain. It does not cause brain cancer.

Option 2: Skin cancer. This option is correct. Radioactive Strontium-90 exposure can lead to skin cancer. The radiation emitted by Strontium-90 can cause damage to the skin cells and potentially result in the development of cancer.

Option 3: Lung cancer. This option is incorrect. Strontium-90 primarily affects the bones and does not directly cause lung cancer.

Option 4: Bone cancer. This option is not the correct choice. Radioactive Strontium-90 specifically impacts the bones, and its radiation can increase the risk of developing bone cancer.

In conclusion, the correct answer is option 2, as Strontium-90 exposure has been linked to an increased risk of skin cancer.