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.


81. From the following options, which one contains the steps of writing a scientific report in the correct order?

  1. Title → Prediction → Hypothesis → Procedure → Evaluation → Conclusion → Results → Acknowledgement
  2. Title → Hypothesis → Prediction → Procedure → Results → Conclusion → Evaluation → Acknowledgement
  3. Title → Hypothesis → Prediction → Evaluation → Results → Procedure → Conclusion → Acknowledgement
  4. Title → Hypothesis → Procedure → Prediction → Results → Conclusion → Evaluation → Acknowledgement

82. What type of force is responsible if a stool solution is placed in a centrifuge, spins the tube at high speed and the solid particles are forced to settle down at the bottom?

  1. Cohesive force
  2. Adhesive force
  3. Centripetal force
  4. Gravitational force

83. Ten percent of attendants of a wedding ceremony were sick just after having lunch at the ceremony. What should a student do first to prove scientifically that the sickness was actually linked to the food eaten at the ceremony? She should

  1. give drugs to the sick individuals before they contaminate others.
  2. take food sample to a laboratory and analyze the presence of toxin.
  3. ask herself why ten percent of the attendants were sicked.
  4. take stool sample of the sick individuals and analyze the presence of toxins.

84. Which one of the following importance of water is directly related with its ideal viscosity?

  1. Transport medium
  2. Habitat for aquatic animals
  3. Reactant in photosynthesis
  4. Reaction medium

85. Which property of water prevents ponds from drying during the long dry season? High

  1. viscosity property
  2. latent heat of vaporization
  3. transparent ability
  4. surface tension

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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