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Grade 12 Biology entrance exam, 2009 E.C. (2017)

Real questions from the Grade 12 university entrance exam in Biology, as students sat it in 2009 E.C. Every question comes with the correct answer and a worked explanation.

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  • Natural science stream

    Who sits it

  • 2009 E.C. (2017)

    Exam year

  • 97 questions with answers

    In this set

Try questions from this paper

Answer each question yourself before opening the answer. The explanations point to the exact place in the textbook, so you know which page to reread when you miss one.

Question 1

The word science comes from the Latin word 'Scientia' meaning what ?

  1. A.Study
  2. B.Experiment
  3. C.Life
  4. D.Knowledge
Show the answer and explanation

Answer: D Knowledge

Why

The word science is derived from the Latin noun 'scientia', which means 'knowledge'.

Question 2

Which of the following substance can be used over and over again in an enzyme catalyzed reaction?

  1. A.Enzyme -substrate complex
  2. B.Substrate
  3. C.Enzyme
  4. D.Reaction product
Show the answer and explanation

Answer: C Enzyme

Why

Enzymes are biological catalysts that speed up chemical reactions without being consumed, allowing them to be reused repeatedly.

Question 3

What is the intermediate compound that is formed during an enzyme catalyzed reaction?

  1. A.Reaction
  2. B.Substrate
  3. C.Product
  4. D.Enzyme-substance complex
Show the answer and explanation

Answer: D Enzyme-substance complex

Why

During an enzyme-catalyzed reaction, the substrate temporarily binds to the active site of the enzyme to form the intermediate enzyme-substrate complex.

Question 4

Which of the following microorganisms are prokaryotic?

  1. A.Bacteria
  2. B.Protozoa
  3. C.Yeast
  4. D.Algae
Show the answer and explanation

Answer: A Bacteria

Why

Bacteria lack a membrane-bound nucleus and organelles, classifying them as prokaryotes, whereas protozoa, yeasts, and algae are eukaryotic.

Question 5

Which of the following laboratory tools is LEAST accurate to measure 1 ml of liquid?

  1. A.Pipette
  2. C.Burett
  3. B.Measuring cylinder
  4. D.Beaker
Show the answer and explanation

Answer: D Beaker

Why

Beakers have wide diameters and approximate graduations, making them the least accurate laboratory glassware for measuring small volumes such as 1 ml.

Question 6

From which of the following diseases can one be protected by sleeping under the cover of a mosquito net?

  1. A.Sleeping sickness
  2. B.AIDS
  3. C.Malaria
  4. D.Athlete's foot
Show the answer and explanation

Answer: C Malaria

Why

Malaria is transmitted by night-biting female Anopheles mosquitoes, so sleeping under an insecticide-treated mosquito net effectively prevents transmission.

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Biology papers from other years

2018 E.C. (2026)2017 E.C. (2025)2016 E.C. (2024)2015 E.C. (2023)2014 E.C. (2022)2013 E.C. (2021)2012 E.C. (2020)2011 E.C. (2019)2010 E.C. (2018)2008 E.C. (2016)2007 E.C. (2015)2006 E.C. (2014)2005 E.C. (2013)1996 E.C. (2004)

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Are these the real 2009 E.C. Biology entrance exam questions?

Yes. They come from the national university entrance exam in Biology that students sat in 2009 E.C. (2017). Our set holds 97 of its questions, each with its answer and an explanation that points back to the textbook.

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Can I download the Biology 2009 E.C. paper as a PDF?

Yes, and it is free. The question paper is one file and the answer key with its worked explanations is another, so you can attempt the paper first. Print them, or keep them on your phone for revision when there is no data.

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