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Grade 12 Biology model exam, 2016 E.C. (2024)

A model exam set in 2016 E.C. to prepare Grade 12 students for the Biology entrance exam, in the same format. It is practice, and it is not the entrance exam paper itself. Every question comes with the correct answer and a worked explanation.

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  • Natural science stream

    Who sits it

  • 2016 E.C. model exam

    Exam year

  • Arada sub-city

    Set by

  • 95 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

Which one of the following term and its definition is not correct?

  1. A.Hypothesis→ statement that explain observed facts and predicts new outcomes
  2. B.Journal → special magazine were scientists research published
  3. C.Peer review → the use of scientific research to meet human desires
  4. D.Scientific method →the process by which scientists approach their work
Show the answer and explanation

Answer: C Peer review → the use of scientific research to meet human desires

Why

Peer review is the evaluation of scientific work by other experts in the same field to ensure its quality and validity, whereas using scientific research to meet human desires defines technology or applied science.

Question 2

Which one of the following disease is not correctly matched with its causative agent?

  1. A.Tuberculosis→Mycobacterium tuberculosis
  2. B.Gastroenteritis →Rota viruses
  3. C.Cholera → Vibrio cholera
  4. D.Chancroid→ Trepomema pallidum
Show the answer and explanation

Answer: D Chancroid→ Trepomema pallidum

Why

Chancroid is caused by the bacterium Haemophilus ducreyi, whereas Treponema pallidum is the causative agent of syphilis.

Question 3

What is the field of Ethiopian biologist Tewolde Berhan Gebre Egzabher?

  1. A.Marine biology
  2. B.Conservation biology
  3. C.Genetics
  4. D.Microbiology
Show the answer and explanation

Answer: B Conservation biology

Why

Tewolde Berhan Gebre Egziabher was a renowned Ethiopian academic, environmentalist, and plant ecologist whose work focused heavily on biodiversity conservation and community rights.

Question 4

What is the purpose of using antiseptics in controlling microorganisms?

  1. A.To inhibit microbial growth in food products
  2. B.To control microorganisms on inanimate surfaces
  3. C.To sterilize equipments and media
  4. D.To control microorganisms on living tissue
Show the answer and explanation

Answer: D To control microorganisms on living tissue

Why

Antiseptics are antimicrobial substances that are safely applied to living tissues (such as skin) to reduce the risk of infection, whereas disinfectants are used on inanimate surfaces.

Question 5

What is the foremost goal of gene therapy in modern biotechnology?

  1. A.To cure genetic diseases by replacing defective gene
  2. B.To produce vaccine against infectious disease
  3. C.To create genetically modified organism
  4. D.To produce cloned organism
Show the answer and explanation

Answer: A To cure genetic diseases by replacing defective gene

Why

The primary objective of gene therapy is to treat or cure genetic disorders by introducing, removing, or replacing mutated or defective genes within a patient's cells.

Question 6

What is the role of enzymes in traditional biotechnology?

  1. A.To encode specific trait in an organism
  2. B.To catalyze biochemical reaction of in fermentation
  3. C.To modify gene of an organism
  4. D.To cut DNA into specific gene
Show the answer and explanation

Answer: B To catalyze biochemical reaction of in fermentation

Why

In traditional biotechnology, enzymes (such as those from yeast or bacteria) are used to catalyze biochemical reactions involved in food and beverage fermentation processes.

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The other Biology papers of 2016 E.C.

2016 E.C. (2024)

Biology papers from other years

2018 E.C. (2026)2018 E.C. (2026), round 12018 E.C. (2026), version 12017 E.C. (2025)2017 E.C. (2025), version 12017 E.C. (2025), version 22015 E.C. (2023)2014 E.C. (2022)2013 E.C. (2021)2012 E.C. (2020)2011 E.C. (2019)2010 E.C. (2018)2009 E.C. (2017)2008 E.C. (2016)2007 E.C. (2015)2006 E.C. (2014)2005 E.C. (2013)1996 E.C. (2004)

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Revise Biology before you sit this paper

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Is this the real Grade 12 entrance exam?

No. It is a model exam set in 2016 E.C. (2024) to prepare students for the entrance exam, in the same format. Our set holds 95 of its questions, each with its answer and a worked explanation.

Where are the real entrance exam papers?

The Grade 12 entrance exam papers we hold are on the exam papers page, listed by year beside the model exams.

Can I download this model exam 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 try it first. Print them, or keep them on your phone for revision when there is no data.

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