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.


15. The capillaries are blood vessels that have thin wall and large surface area since their function is

  1. transport of oxygenated blood.
  2. exchange of substances.
  3. to return blood to the heart.
  4. transport of deoxygenated blood.

16. During image formation, light is refracted twice before it is focused on the retina. This phenomenon happens at the

  1. aqueous humour and lens.
  2. iris and lens.
  3. lens and vitrous humour.
  4. cornea and lens.

17. Three students designed the following experimental settings to understand the actual taste of a food.
  1. Student 1: Blind folded two students, one of them tightly holding the nose while the other without holding the nose and tasting the food.
  2. Student 2: Blind folded one student and the other left with open eyes, both holding their nose tightly while tasting the food.
  3. Student 3: None of the participants blind folded and only one of them holding her nose tightly while tasting the food.
  4. Student 4: None of the participants blind folded and both of them taste the food without holding the nose.
Which student designed the most appropriate experiment?

  1. Student 1
  2. Student 2
  3. Student 4
  4. Student 3

18. Short sightedness is corrected by a concave lens because the problem arises due to a

  1. weak eye lens that converges light slightly.
  2. powerful eye lens that diverges light.
  3. weak eye lens that diverges light.
  4. strong eye lens that converges light too soon.

19. A patient exhibited symptoms of weight loss, sweating, and irritability and the doctor suspected an endocrine malfunction that can be related to the

  1. pancreas.
  2. adrenal gland.
  3. thyroid gland.
  4. gonads.

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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