OCR A Level Biology A
OCR A Level Biology A Cloning and Biotechnology Exam Questions
Free OCR A Level Biology A exam questions on Cloning and Biotechnology, with mark schemes. Covers natural and artificial cloning, microorganisms in biotechnology, culturing and immobilised enzymes.
Cloning and Biotechnology exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
StemUp mark scheme flashcards
OCR A Level Biology A H420 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About OCR A Level Biology A Cloning and Biotechnology
This topic covers cloning and industrial uses of microorganisms.
What you need to know
- Plant cloning Cuttings and tissue culture.
- Animal cloning Embryo splitting and somatic cell nuclear transfer.
- Biotechnology Batch and continuous fermentation and growth curves.
- Immobilised enzymes Advantages and methods.
Common mistakes in Cloning and Biotechnology
- Mixing batch and continuous culture.
- Saying lag phase has no growth because cells are dying.
- Forgetting aseptic technique.
Try three Cloning and Biotechnology exam-style questions
1. State one advantage of immobilised enzymes. (1 mark)
Show the mark scheme answer
They can be reused, or the product is not contaminated.
2. Explain the lag phase of a growth curve. (1 mark)
Show the mark scheme answer
Cells are adjusting and synthesising enzymes before dividing.
3. Describe SCNT. (2 marks)
Show the mark scheme answer
The nucleus of a body cell is put into an enucleated egg (1), which is stimulated to divide and implanted (1).
Cloning and Biotechnology FAQs
What does Cloning and Biotechnology cover?
Cloning methods and microorganisms in industry.
Which practical links here?
Aseptic technique and serial dilution.
Why use microorganisms?
They grow quickly and can be grown on cheap substrates.
Revise this topic with flashcards: OCR A Level Biology A H420 Flashcards, with mark scheme answers for Anki and Quizlet.
