Kramizo
Log inSign up free
HomeCXC CSEC BiologyMicroorganisms in Food Production and Biotechnology
CXC · CSEC · Biology

Microorganisms in Food Production and Biotechnology
Practice Questions

20 CXC CSEC Biology questions on Microorganisms in Food Production and Biotechnology, each with instant feedback and a full examiner-style mark scheme.

⚡ Start Quiz on Microorganisms in Food Production and BiotechnologyTry one question

Try 2 sample questions on Microorganisms in Food Production and Biotechnology

Question 1 · 1 mark · Difficulty 1/3

A student in Trinidad visited a local bakery and observed the baker adding a substance to flour and water before leaving the dough to rise. Which microorganism is responsible for making the dough rise?

  1. Lactobacillus
  2. Saccharomyces cerevisiae
  3. Rhizobium
  4. Penicillium
Show answer & explanation
✓ Answer: BSaccharomyces cerevisiae
Award 1 mark for identifying yeast as the microorganism used in bread-making. A is incorrect — Lactobacillus is used in yoghurt production. C is incorrect — Rhizobium is a nitrogen-fixing bacterium found in root nodules. D is incorrect — Penicillium is used in antibiotic production and cheese ripening.
Question 2 · 1 mark · Difficulty 1/3

In the production of rum in Jamaica, sugar cane juice undergoes fermentation. What is the main waste product released by yeast during this process?

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Hydrogen
Show answer & explanation
✓ Answer: BCarbon dioxide
Award 1 mark for identifying carbon dioxide as the waste gas produced during anaerobic respiration in yeast. A is incorrect — oxygen is consumed, not produced, in aerobic respiration. C is incorrect — nitrogen is not involved in fermentation. D is incorrect — hydrogen gas is not a product of alcoholic fermentation.
⚡ Start a Quiz on Microorganisms in Food Production and Biotechnology
20 questions · 25 min · free

CXC CSEC Biology: Microorganisms in Food Production and Biotechnology FAQ

How many CXC CSEC Biology questions on Microorganisms in Food Production and Biotechnology are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Microorganisms in Food Production and Biotechnology for CXC CSEC Biology, 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 Biology?
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 Microorganisms in Food Production and Biotechnology practice with other Biology 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 Microorganisms in Food Production and Biotechnology questions aligned to the official CXC CSEC Biology syllabus?
Every question is written against the published CXC CSEC Biology 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 Microorganisms in Food Production and Biotechnology typically tested on CXC CSEC Biology papers?
Microorganisms in Food Production and Biotechnology appears across multiple question types on real CXC CSEC Biology 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.

Lock in Microorganisms in Food Production and Biotechnology before exam day.

Start practising in 30 seconds — no card required.

⚡ Start Quiz Free →