Biology - Grade 12 -2022 G.C

Grade 12 students can now access their exam results by visiting the Educational Assessment and Examination Services (EAES) website.


36. The institute of biodiversity conservation is one of the biological research institutes of Ethiopia attempting to conserve the genetic resources of the country. As such, the institute's major research efforts focus on all of the following EXCEPT

  1. microorganism conservation.
  2. animal conservation.
  3. soil conservation.
  4. plant conservation.

37. The importance of stains in microscopic invstigations is explained by their effect in

  1. increasing resolution.
  2. creating contrast.
  3. increasing magnification.
  4. decreasing air bubbles.

38. One of the following problems can occur if the liver does NOT properly carry out its digestive functions.

  1. Increased alkalinity of the intestine
  2. Incomplete digestion of polysaccharides
  3. Partial absorption of digested foods
  4. Partial digestion of fats

39. Which of the following is the correct order of food substance, enzyme, and breakdown product of the digestive process in the stomach respectively?

  1. Starch, lipase, glucose
  2. Fat, trypsin, glycerol
  3. Protein, pepsin, amino acid
  4. Lipid, amylase, fatty acid

40. Assume you are trying to demonstrate breathing movements using artificial lung and you pulled down the rubber sheet. This action of pulling represents which step of the actual breathing process?

  1. Exhalation and contraction of the diaphragm
  2. Inhalation and relaxation of the diaphragm
  3. Inhalation and contraction of the diaphragm
  4. Exhalation and relaxation of the diaphragm

We have provided these questions from previous years grade 12 Ethiopian Secondary School Leaving Certificate Examination (ESSLCE) exams with the sole purpose of assisting students in their studies and preparations for upcoming exams. Please be aware that these questions are not indicative of future exam content. Good luck with your studies!

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