Instructions: Choose the BEST answer for each question.
Grade 9 Biology:
1. Which of the following is the basic structural and functional unit of all living organisms?
(A) Tissue (B) Organ (C) Cell (D) Organ System
Answer: (C)
2. Which process is responsible for the movement of water molecules from a region of high
concentration to a region of low concentration across a selectively permeable membrane?
(A) Active Transport (B) Osmosis (C) Diffusion (D) Facilitated Diffusion
Answer: (B)
3. Which of the following is the primary function of chloroplasts in plant cells?
(A) Respiration (B) Protein Synthesis (C) Photosynthesis (D) Cell Division
Answer: (C)
4. What is the role of enzymes in biological reactions?
(A) To provide energy for the reaction
(B) To speed up the reaction rate
(C) To slow down the reaction rate
(D) To be consumed in the reaction
Answer: (B)
5. Which of the following is an example of a communicable disease?
(A) Diabetes (B) Cancer (C) Tuberculosis (D) Heart Disease
Answer: (C)
Grade 10 Biology:
6. What is the process by which a cell divides into two identical daughter cells?
(A) Meiosis (B) Mitosis (C) Binary Fission (D) Budding
Answer: (B)
7. Which of the following is the correct sequence of events in the central dogma of molecular biology?
(A) Protein -> RNA -> DNA
(B) DNA -> Protein -> RNA
(C) RNA -> DNA -> Protein
(D) DNA -> RNA -> Protein
Answer: (D)
8. Which of the following is NOT a component of DNA?
(A) Deoxyribose Sugar
(B) Phosphate Group
(C) Ribose Sugar
(D) Nitrogenous Base
Answer: (C)
9. What is the process by which genetic information is transferred from DNA to RNA?
(A) Translation
(B) Replication
(C) Transcription
(D) Mutation
Answer: (C)
10. What is the primary role of ribosomes in a cell?
(A) Lipid Synthesis
(B) Carbohydrate Metabolism
(C) Protein Synthesis
(D) DNA Replication
Answer: (C)
Grade 11 Biology:
11. Which of the following is the correct order of taxonomic classification from broadest to most
specific?
(A) Species, Genus, Family, Order, Class, Phylum, Kingdom
(B) Kingdom, Phylum, Class, Order, Family, Genus, Species
(C) Family, Genus, Species, Order, Class, Phylum, Kingdom
(D) Genus, Species, Family, Order, Class, Phylum, Kingdom
Answer: (B)
12. Which of the following is a characteristic of all living organisms?
(A) Autotrophic Nutrition
(B) Heterotrophic Nutrition
(C) Ability to reproduce
(D) Ability to photosynthesize
Answer: (C)
13. What is the primary function of the xylem tissue in plants?
(A) Transport of sugars
(B) Support
(C) Transport of water and minerals
(D) Photosynthesis
Answer: (C)
14. Which of the following is NOT a characteristic of mammals?
(A) Mammary glands
(B) Hair or fur
(C) Laying eggs
(D) Three middle ear bones
Answer: (C)
15. What is the process of evolution driven by?
(A) Artificial Selection
(B) Natural Selection
(C) Genetic Engineering
(D) Cloning
Answer: (B)
Grade 12 Biology:
16. Which of the following describes a population?
(A) All the living organisms in an ecosystem
(B) A group of individuals of the same species living in the same area
(C) All the different species living in the same area
(D) The non-living components of an ecosystem
Answer: (B)
17. What is the role of decomposers in an ecosystem?
(A) To produce energy through photosynthesis
(B) To consume primary producers
(C) To break down dead organisms and waste products
(D) To conver
t nitrogen gas into ammonia
Answer: (C)
18. What is the greenhouse effect?
(A) The warming of the Earth's atmosphere due to the trapping of heat by certain gases.
(B) The cooling of the Earth's atmosphere due to the reflection of sunlight.
(C) The destruction of the ozone layer.
(D) The increase in biodiversity due to climate change.
Answer: (A)
19. What is biotechnology?
(A) The study of ancient life forms
(B) The use of living organisms or their products to develop useful products
(C) The study of the Earth's atmosphere
(D) The study of the human mind
Answer: (B)
20. What is the purpose of genetic engineering?
(A) To create new species
(B) To modify the genes of an organism to alter its characteristics
(C) To clone extinct animals
(D) To study the origins of life
Answer: (B)
These questions cover a range of topics and difficulty levels that you might expect to see on a teaching
exam in Ethiopia. Good luck with your preparation! Remember to review your curriculum materials
thoroughly.
I am unable to provide 100 new questions at this time. I can provide a set of 10 questions now.
Grade 9 Biology
1. What is the function of the cell membrane?
(A) Produce energy (B) Control what enters and leaves the cell (C) Store genetic material (D) Synthesize
proteins
Answer: B
2. Which of these is the correct order of organization in living things, from simplest to most complex?
(A) Cell, tissue, organ, organ system (B) Tissue, cell, organ, organ system (C) Organ system, organ,
tissue, cell (D) Cell, organ, tissue, organ system
Answer: A
3. What is the main purpose of photosynthesis?
(A) To produce carbon dioxide (B) To use energy to make food (C) To break down food for energy (D) To
store water
Answer: B
4. Which type of nutrient is mainly used for building and repairing body tissues?
(A) Carbohydrates (B) Lipids (C) Proteins (D) Vitamins
Answer: C
5. What is the term for a disease that can be passed from one person to another?
(A) Genetic disease (B) Lifestyle disease (C) Communicable disease (D) Deficiency disease
Answer: C
Grade 10 Biology
6. What is the name for cell division that produces two identical cells?
(A) Meiosis (B) Mitosis (C) Fertilization (D) Budding
Answer: B
7. What does DNA stand for?
(A) Deoxyribonucleic acid (B) Ribonucleic acid (C) Amino acid (D) Fatty acid
Answer: A
8. In what part of the cell is DNA mainly found?
(A) Cytoplasm (B) Ribosome (C) Nucleus (D) Mitochondrion
Answer: C
9. What process involves making proteins from RNA instructions?
(A) Replication (B) Transcription (C) Translation (D) Mutation
Answer: C
10. What are the building blocks of proteins?
(A) Glucose (B) Fatty acids (C) Amino acids (D) Nucleotides
Answer: C
Grade 11 Biology
11. What is the science of classifying living things called?
(A) Ecology (B) Taxonomy (C) Anatomy (D) Physiology
Answer: B
12. Which is NOT a characteristic of living organisms?
(A) Respiration (B) Reproduction (C) Defecation (D) Photosynthesis
Answer: D
13. Which tissue transports water in plants?
(A) Phloem (B) Xylem (C) Cambium (D) Epidermis
Answer: B
14. Animals that have hair or fur and produce milk are called
(A) reptiles (B) birds (C) mammals (D) amphibians
Answer: C
15. What is the theory of evolution by natural selection?
(A) All living things appeared at the same time (B) Living things have changed over time because of
their enviroment (C) Characteristics that are good are passed down to the next generation (D)All of the
above
Answer: D
Grade 12 Biology
16. What is a group of same species living together?
(A) Ecosystem (B) Community (C) Population (D) Biome
Answer: C
17. What type of organisms breaks down dead organisms?
(A) Producers (B) Consumers (C) Decomposers (D) Predators
Answer: C
18. What effect is caused by burning fossil fuels?
(A) Decreased rainforests (B) Greenhouse gasses (C) Increased biodiversity (D) More rainfall
Answer: B
19. What can biotechnology be used for?
(A) Improve food quality (B) Prevent disease (C) Create drought resistant crops (D) All of the above
Answer: D
20. What is a possible use for geneitc engineering?
(A) Making species go extinct (B) Improving crops (C) Destroying habitats (D) Increasing water pollution
Answer: B
ChatGPT4 | Midjourney:
Okay, I will provide you with fill-in-the-blank and short answer questions that cover key concepts in the
Ethiopian curriculum relevant to biology (Grades 9-12), which could be useful for your teaching exam
preparation. Each question will include a blank space for you to fill in the answer, followed by the
correct answer in brackets.
Instructions: Read each question carefully and fill in the blank with the correct answer.
Grade 9 Biology:
1. The process by which plants make their own food using sunlight, water, and carbon dioxide is called
_______________. [Photosynthesis]
2. The basic unit of heredity is the _______________. [Gene]
3. A disease that can be transmitted from one person to another is called a _______________ disease.
[Communicable or Infectious]
4. The diffusion of water molecules across a selectively permeable membrane is called
_______________. [Osmosis]
5. The energy currency of the cell is _______________. [ATP (Adenosine Triphosphate)]
Grade 10 Biology:
6. The process of cell division that results in two identical daughter cells is called _______________.
[Mitosis]
7. DNA stands for _______________ acid. [Deoxyribonucleic]
8. The process of making RNA from DNA is called _______________. [Transcription]
9. The site of protein synthesis in the cell is the _______________. [Ribosome]
10. A change in the DNA sequence is called a _______________. [Mutation]
Grade 11 Biology:
11. The branch of biology that deals with the classification of organisms is called _______________.
[Taxonomy]
12. The two-name naming system used to identify organisms is called _______________ nomenclature.
[Binomial]
13. The tissue that transports water and minerals in plants is called _______________. [Xylem]
14. The process by which organisms adapt to their environment over time is called _______________.
[Evolution]
15. A group of interbreeding organisms living in the same area is called a _______________.
[Population]
Grade 12 Biology:
16. The study of the interactions between organisms and their environment is called _______________.
[Ecology]
17. Organisms that break down dead organic matter are called _______________. [Decomposers]
18. The warming of the Earth's atmosphere due to the trapping of heat by certain gases is called the
_______________ effect. [Greenhouse]
19. The use of living organisms or their products to develop useful products is called _______________.
[Biotechnology]
20. Modifying the genes of an organism to alter its characteristics is called _______________
engineering. [Genetic]
Short Answer Questions:
Grade 9 Biology
21. What are the four main classes of organic molecules found in living organisms?
[Carbohydrates, Lipids (Fats), Proteins, Nucleic Acids]
22. Describe the importance of water to living organisms.
[Solvent, transport, temperature regulation, chemical reactions]
23. What are three main causes of communicable diseases?
[Bacteria, Viruses, Fungi, Parasites]
Grade 10 Biology
24. Briefly explain the role of mRNA in protein synthesis.
[Carries genetic code from DNA to ribosome]
25. What is the difference between genotype and phenotype?
[Genotype is the genetic makeup; Phenotype is the observable characteristics]
26. What are three possible causes of mutation?
[Radiation, chemicals, errors in replication]
Grade 11 Biology
27. What are the five kingdoms of living organisms?
[Monera (Prokaryotes), Protista, Fungi, Plantae, Animalia]
28. Briefly describe the process of natural selection.
[Survival and reproduction of individuals with advantageous traits]
29. What are the main differences between plant and animal cells?
[Cell wall (plants), Chloroplasts (plants), Centrioles (animals)]
Grade 12 Biology
30. What is the difference between a food chain and a food web?
[Food chain is a linear sequence; Food web is interconnected food chains]
31. What are three human activities that contribute to climate change?
[Burning fossil fuels, deforestation, industrial processes]
32. Give three e
xamples of biotechnology applications.
[Genetic engineering, drug development, diagnostics]
These questions should help you review the key concepts in the Ethiopian biology curriculum. Good luck
with your exam! Remember to review your textbooks and notes for more details.
