Hello Sky,
For M.Sc. biotechnology sample paper please visit online sources , if you will search you can find many.
For getting previous year questions for Du's MSc in plant molecular biology and biotechnology entrance , you can visit the concern faculty , there you will find book stalls there you can get books published by local publishers which are especially meant for entrance test.
You can also try finding it online on the university website
You can read the following answer: https://www.careers360.com/question-previous-question-papers-for-msc-biotechnology
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