Biology - Grade 12 -2023 G.C

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


50. Which one of the following sentences describes a virus? It

  1. has differentiated organelles.
  2. is saprophytic.
  3. is acellular.
  4. undergoes respiration.


51. One of the following renowned Ethiopian biologists has developed a vaccine for the rinderpest disease.

  1. Professor Sebsebe Demissew
  2. Professor Yalemtsehay Mekonnen
  3. Professor Beyene Petros
  4. Professor Tilahun Yilma


52. A grade nine student has planned to study animal cells using a compound light microscope. She prepared a slide of stained human cheek cells for this purpose. Which one of the following activities should she first do?

  1. Adjust the iris diaphragm until the maximum brightness is coming.
  2. Set up the microscope with the lowest power objective in place.
  3. Using coarse focusing knob to rotate the nosepiece for a higher magnification lens.
  4. Looking through the eyepiece lens to move the objectives down.


53. Which one of the following is true about plant cells? They have

  1. vacuole which controls all activities of the cell.
  2. lysosomes which contain hydrolytic enzymes.
  3. chloroplast which is filled with sap, liquids and minerals.
  4. cell wall which gives support and strengthen to the cell.


54. A plant cell is placed in a solution which has lower solute concentration than its contents. After a few minutes the cell will become

  1. turgid.
  2. flaccid.
  3. plasmolysed.
  4. burst.


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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