1. Which of the following is NOT a characteristic of living things?
A) Growth and development
B) Reproduction
C) Inorganic composition
D) Response to stimuli
2. What is the main purpose of the Scientific Method?
A) To prove preconceived ideas
B) To make predictions
C) To establish universal truths
D) To systematically investigate natural phenomena
3. Which of the following is a field tool commonly used by biologists?
A) Bunsen burner
B) GPS device
C) Microscope
D) Petri dish
4. The part of the light microscope that controls the amount of light passing through the specimen is called the:
A) Objective lens
B) Condenser
C) Eyepiece
D) Stage
5. What should you do first to ensure laboratory safety?
A) Wear gloves and goggles
B) Clean up spills immediately
C) Read and understand the safety guidelines
D) Run experiments without supervision
6. Taxonomy is the science of:
A) Classifying living organisms
B) Studying rocks and minerals
C) Analyzing weather patterns
D) Predicting earthquakes
7. Which kingdom in the five-kingdom system includes unicellular prokaryotic organisms?
A) Kingdom Plantae
B) Kingdom Animalia
C) Kingdom Protista
D) Kingdom Fungi
8. Who is known as the father of taxonomy?
A) Charles Darwin
B) Gregor Mendel
C) Carl Linnaeus
D) Louis Pasteur
9. The cell theory states that:
A) All cells have a nucleus
B) All living organisms are made up of cells
C) Cells can only reproduce asexually
D) Cells do not require nutrients for survival
10. Asexual reproduction methods include:
A) Fertilization
B) Budding
C) Pollination
D) Meiosis
11. Which of the following is NOT a primary sexual characteristic?
A) Development of breasts in females
B) Growth of facial hair in males
C) Deepening of voice in males
D) Menstruation in females
12. What is the primary function of the male reproductive structure called the testes?
A) Production of sperm
B) Storage of sperm
C) Hormone production
D) Menstruation
13. What is the menstrual cycle?
A) A cycle of hormonal changes in females
B) A cycle of cellular respiration
C) A cycle of digestive processes
D) A cycle of photosynthesis
14. What are nutrients?
A) Elements that are not essential for living organisms
B) Substances that provide energy for cells
C) Inorganic compounds found in rocks
D) Compounds that cause diseases
15. Infectious diseases are caused by:
A) Genetic mutations
B) Pathogens such as bacteria and viruses
C) Environmental factors
D) Nutritional deficiencies
16. What is an ecosystem?
A) A community of organisms interacting with each other and their environment
B) A laboratory for studying cells
C) A system of classification for living organisms
D) A method of birth control
17. Ecological succession refers to:
A) The process of organizing organisms into taxonomic groups
B) Changes in the composition of a community over time
C) The movement of substances across a cell membrane
D) The process of reproduction in plants
18. What are the biotic components of an ecosystem?
A) Living organisms
B) Non-living factors
C) Physical environment
D) Inorganic compounds
19. Which of the following is a renowned taxonomist in Ethiopia?
A) Jane Goodall
B) Wangari Maathai
C) Yonas Yohannes
D) Dian Fossey
20. How do you differentiate between active and passive transport in cells?
A) By the energy requirement
B) By the size of molecules transported
C) By the direction of movement
D) By the involvement of carrier proteins
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