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Biology Grade 12 Unit 1: APPLICATION OF BIOLOGY

national exam questions have come from this unit. It runs 36 pages; one careful study pass takes about 3.6 hours, and its difficulty is moderate among Biology units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.

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1.1 Application in Conservation of natural resources · read p. 8

2018 E.C., Q52 – What is the primary role of biology in nature conservation?
2018 E.C., Q53 – Which of the following is an example of a non-renewable resource?
2018 E.C., Q56 – Which of the following is a renewable resource in Ethiopia?
2017 E.C., Q43 – Select the option that the whole lists contain renewable natural resources.

1.2 Food and nutrition security · read p. 11

2018 E.C., Q55 – What does food security ensure?

1.3 Creating conscious citizens and ensuring sustainable development · read p. 13

Not asked in a national paper yet.

1.4 Applications in biotechnology · read p. 15

2018 E.C., Q47 – What is one of the main uses of biotechnology in food production?
2018 E.C., Q48 – Which of the following is a key feature of forensic biotechnology?
2018 E.C., Q50 – Which of the following is an example of a biotechnological process used for wastewater treatment?
2018 E.C., Q62 – Which of the following is an example of how fungi benefit humans?
2017 E.C., Q51 – How does biological washing powder save energy? Because they
2017 E.C., Q49 – What is the primary purpose of creating transgenic organisms? To
2017 E.C., Q50 – What is the role of biology in the investigation of a criminal case? To
2017 E.C., Q56 – What is biological warfare? The use of
2016 E.C., Q1 – A transgenic organism is an organism that:
2016 E.C., Q3 – In a textile industry, microorganism's commercial products play a significant role in removing stains like grease by changing:
2016 E.C., Q2 – Which of the following explains how biology takes part in biosensor technology? Using microorganism to
2016 E.C., Q4 – Which one of the following statements is correct about application of bio-pesticide in agriculture? It
2016 E.C., Q61 – Which one of the following research activities has been conducted at Armauer Hansen Research Institute?
2015 E.C., Q45 – Which one of the following sentences explains the role of bacteria in genetic engineering? They are used to
2014 E.C., Q60 – During baking of injera, the CO2 produced by yeast is used to
2014 E.C., Q22 – Currently, natural resources are being depleted at increasing rate and waste materials are accumulated and discharged freely into water bodies. What is the best strategy to overcome these problems?
2013 E.C., Q79 – Which one of the following enzymes is used as washing powders?
2013 E.C., Q54 – The relevance and promise of biological sciences can be demonstrated by their contribution in
2013 E.C., Q83 – This item is based on the following list of events during cloning of an insulin gene into plasmid. I. Obtaining insulin producing cells and plasmid from organisms II. Cutting the insulin gene and plasmid III. X IV Insert
2012 E.C., Q13 – Bacteria are used in the production of vinegar to
2011 E.C., Q56 – When an organism containing a gene which does NOT belong to it and is derived from Somewhere else, the organism is said to be:
2011 E.C., Q29 – One of the following agricultural practices does NOT have a negative effect on biodiversity?
2011 E.C., Q80 – Which of the following statements about transgenic organisms is correct?
2011 E.C., Q93 – Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution?
2011 E.C., Q55 – The active sludge method of Sewage treatment is based on the principle of
2011 E.C., Q41 – From which group of microorganisms was the first antibiotics produced?
2010 E.C., Q35 – From which group of micro-organisms was the first antibiotics produced ?
2010 E.C., Q46 – Which of the following is not an industrial use of bacteria?
2010 E.C., Q37 – How can biotechnology be applied to reduce the use of inorganic fertilizers in agriculture?
2009 E.C., Q90 – In which one of the following do we use genetically modified bacteria for purpose other than human health?
2008 E.C., Q69 – If a clone is produced by transferring a nucleus of animal A to an enucleated egg of animal B and the egg is then implanted in the uterus of animal C, which animal would the clone resemble most?
2007 E.C., Q60 – In which industrial products is pyruvate fermentation by yeast practically applied?
2006 E.C., Q62 – Which of the following is NOT a term used to describe organisms that have had foreign genes added to them?
2006 E.C., Q91 – From which organism is the first antibiotic used in medicine produced ?
2005 E.C., Q42 – The sheep 'dolly' is an example of which biotechnological manipulation of animals by human?
2005 E.C., Q55 – Choose the one that is different from all the others.