Download RGUHS MSc Radiation Physics 2019 October 2nd Year 9807 Radiation Biology Question Paper

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[Time: 3 Hours]

[Max. Marks: 100]

RADIATION BIOLOGY

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Q.P. CODE: 9807

Your answers should be specific to the questions asked.

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Draw neat, labeled diagrams wherever necessary.

LONG ESSAY

2 X 20 = 40 Marks

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1.

Explain direct and indirect action of Radiation with a neat diagram.

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2.

Discuss cell cycle and biological effects of radiation on cell structure.

SHORT ESSAY

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6 X 10 =60 Marks

3.

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Discuss various R's of radiotherapy.

4.

Hyperthermia principle

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5.

Linear Quadratic model in radiotherapy

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6.

Explain radio sensitive and radio resistant tumors.

7.

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Mention the effect of radiation for various doses for the following.

a) Reproductive organs and Eye

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b) Immediate effects on whole body.

8.

Discuss about the following:

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a) Single and double strand breaks

b) Doubling dose

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