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HomeCXC CSEC Integrated ScienceBiotechnology and Genetic Engineering: Principles and Applications
CXC · CSEC · Integrated Science

Biotechnology and Genetic Engineering: Principles and Applications
Practice Questions

20 CXC CSEC Integrated Science questions on Biotechnology and Genetic Engineering: Principles and Applications, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Biotechnology and Genetic Engineering: Principles and Applications.

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Question 1 · 1 mark · Difficulty 1/3

A farmer in Jamaica wants to produce papaya plants that are all genetically identical to a high-yielding parent plant. Which biotechnology technique should the farmer use?

  1. Selective breeding
  2. Tissue culture
  3. Genetic modification
  4. Fermentation
Show answer & explanation
✓ Answer: BTissue culture
Award 1 mark for identifying tissue culture as the method that produces genetically identical plants (clones). A is incorrect — selective breeding involves crossing different individuals and produces genetic variation. C is incorrect — genetic modification alters genes but does not clone plants. D is incorrect — fermentation is used for producing substances using microorganisms, not for plant propagation.
Question 2 · 1 mark · Difficulty 1/3

Scientists in Trinidad are developing disease-resistant cocoa plants by inserting genes from another organism. What is this process called?

  1. Natural selection
  2. Artificial selection
  3. Genetic engineering
  4. Cloning
Show answer & explanation
✓ Answer: CGenetic engineering
Award 1 mark for identifying genetic engineering as the process of transferring genes from one organism to another. A is incorrect — natural selection is a natural process, not deliberate gene transfer. B is incorrect — artificial selection involves choosing organisms with desired traits for breeding, not inserting genes. D is incorrect — cloning produces genetically identical copies without adding new genes.
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CXC CSEC Integrated Science: Biotechnology and Genetic Engineering: Principles and Applications FAQ

How many CXC CSEC Integrated Science questions on Biotechnology and Genetic Engineering: Principles and Applications are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Biotechnology and Genetic Engineering: Principles and Applications for CXC CSEC Integrated Science, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Integrated Science?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Biotechnology and Genetic Engineering: Principles and Applications practice with other Integrated Science topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Biotechnology and Genetic Engineering: Principles and Applications questions aligned to the official CXC CSEC Integrated Science syllabus?
Every question is written against the published CXC CSEC Integrated Science specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Biotechnology and Genetic Engineering: Principles and Applications typically tested on CXC CSEC Integrated Science papers?
Biotechnology and Genetic Engineering: Principles and Applications appears across multiple question types on real CXC CSEC Integrated Science papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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