Biotechnology MCQs for MDCAT Practice

Biology section, Biotechnology chapter. Sample questions from past PMC papers.

1. Question 1
   Restriction endonucleases found in:
   • A.Viruses
   • B.Bacteria
   • C.Eukaryotes
   • D.All of these
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2. Question 2
   The method of producing thousands of seedlings is:
   • A.PCR
   • B.Tissue Culture
   • C.Micropropagation
   • D.Macropropagation
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3. Question 3
   What is the cell suspension culture technique?
   • A.method to culture cells on a solid agar surface.
   • B.a technique to grow isolated plant cells in liquid nutrient medium.
   • C.a technique to grow bacterial cells in a liquid broth medium.
   • D.a technique to culture animal cells in a solid gelatin matrix.
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4. Question 4
   The DNA formed by the reverse transcription is called:
   • A.rDNA
   • B.dDNA
   • C.cDNA
   • D.DNA
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5. Question 5
   In recombinant DNA technology, the copies of recombinant DNA are increased by:
   • A.Restriction enzyme
   • B.Ligase
   • C.Selection of host with rDNA
   • D.Multiplication of host with rDNA
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6. Question 6
   Wine turns sour because of:
   • A.anaerobic bacteria
   • B.exposure to light
   • C.heat
   • D.aerobic bacteria
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7. Question 7
   Golden rice is a promising transgenic crop. When released for cultivation, it will help in:
   • A.Producing a petrol­like fuel from rice
   • B.Alleviation of vitamin A deficiency
   • C.Pest resistance
   • D.Herbicide tolerance
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8. Question 8
   Which of the following is not necessary for PCR to occur?
   • A.dATP
   • B.Primers
   • C.DNA fragments
   • D.Ribonucleotides
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