Biology Exam with 60 Questions and Answers designed for recruiting Primary School Biology Teachers based on the Rwanda Biology Curriculum. These questions are categorized into General Biology, Cells, Human Body Systems, Plants, Animals, Ecology, Genetics, Microorganisms, and Scientific Methods to ensure wide coverage across the subject fields.

Here is a comprehensive Biology Exam with 200 Questions and Answers designed for recruiting Primary School Biology Teachers based on the Rwanda Biology Curriculum. These questions are categorized into General Biology, Cells, Human Body Systems, Plants, Animals, Ecology, Genetics, Microorganisms, and Scientific Methods to ensure wide coverage across the subject fields.

Section 1: General Biology (Questions 1 – 40)

1. What is biology?
   • Answer: The study of living organisms and their interactions with the environment.
2. Which of the following is NOT a characteristic of living organisms?
   • Answer: B) Ability to breathe
3. What is the basic unit of life?
   • Answer: A) The cell
4. Which kingdom contains the simplest living organisms?
   • Answer: D) Monera
5. Which of the following is an example of a biotic factor?
   • Answer: A) Trees
6. Which branch of biology deals with the study of animals?
   • Answer: A) Zoology
7. Which organism is used as an example of a decomposer?
   • Answer: B) Fungi
8. Which scientific tool is most appropriate for observing cells?
   • Answer: C) Microscope
9. What is the study of plants called?
   • Answer: B) Botany
10. Which is the main source of energy for most living organisms?
    • Answer: A) Sunlight
11. What is biodiversity?
    • Answer: The variety of life in all its forms, levels, and combinations.
12. Which type of reproduction involves only one parent?
    • Answer: A) Asexual reproduction
13. Which of the following is an example of an abiotic factor?
    • Answer: C) Water
14. How is energy transferred in an ecosystem?
    • Answer: Through food chains and webs
15. Which system in plants transports water?
    • Answer: D) Xylem
16. What is the role of chlorophyll in photosynthesis?
    • Answer: It captures sunlight for the process of photosynthesis.
17. Which type of organism is at the base of all food chains?
    • Answer: A) Producer
18. Which biological process releases energy in cells?
    • Answer: C) Cellular respiration
19. What is a habitat?
    • Answer: The natural environment of an organism.
20. Which of the following processes is involved in maintaining homeostasis?
    • Answer: A) Regulation
21. Which organ system removes waste products from the body?
    • Answer: B) Excretory system
22. Which of these is NOT a living thing?
    • Answer: D) Rocks
23. Which term describes the movement of molecules from high to low concentration?
    • Answer: Diffusion
24. Which group of organisms contains only unicellular organisms?
    • Answer: Monera
25. Which is an example of an autotroph?
    • Answer: A) A green plant
26. Which process allows green plants to produce their own food?
    • Answer: Photosynthesis
27. Which organ system is responsible for nutrient absorption?
    • Answer: Digestive system
28. Which molecule stores energy in living cells?
    • Answer: ATP
29. Which of the following is a characteristic of viruses?
    • Answer: C) They need a host to reproduce
30. Which part of the plant absorbs water?
    • Answer: Roots
31. Which of these organisms is a producer?
    • Answer: C) Grass
32. Which gas is released during photosynthesis?
    • Answer: Oxygen
33. Which is NOT part of a cell’s structure?
    • Answer: D) Heart
34. Which organ is responsible for pumping blood?
    • Answer: A) Heart
35. What process removes waste materials from the body?
    • Answer: Excretion
36. What type of organism breaks down dead organic matter?
    • Answer: Decomposer
37. What is the role of ATP?
    • Answer: It provides energy for cell functions.
38. Which of these is an example of mutualism?
    • Answer: A) A bird eating ticks from a buffalo
39. Which part of the plant is responsible for photosynthesis?
    • Answer: Leaves
40. Which organ system is responsible for movement?
    • Answer: Muscular system

Section 2: Cells (Questions 41 – 80)

41. What is the basic structure of living organisms?

• Answer: The cell

42. What is the difference between prokaryotic and eukaryotic cells?

• Answer: Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.

43. Which organelle is the control center of the cell?

• Answer: Nucleus

44. What is the function of mitochondria?

• Answer: They produce energy through cellular respiration.

45. Which structure in the cell is responsible for protein synthesis?

• Answer: Ribosomes

46. What is the role of the endoplasmic reticulum?

• Answer: Transport of materials within the cell.

47. Which organelle stores water in a plant cell?

• Answer: Vacuole

48. Which structure forms the boundary of the cell?

• Answer: Cell membrane

49. What is the process of cell division in somatic cells?

• Answer: Mitosis

50. Which part of the cell is involved in energy production?

• Answer: Mitochondria

51. Which cell organelle is responsible for photosynthesis?

• Answer: Chloroplast

52. What is the main difference between plant and animal cells?

• Answer: Plant cells have chloroplasts and a rigid cell wall; animal cells do not.

53. What is the function of lysosomes?

• Answer: They break down waste materials in the cell.

54. Which part of the cell stores genetic material?

• Answer: Nucleus

55. What is the function of the Golgi apparatus?

• Answer: It modifies, packages, and distributes proteins.

56. Which process allows the movement of substances across the cell membrane without energy?

• Answer: Diffusion

57. Which organelle is involved in the transport of proteins?

• Answer: Endoplasmic reticulum

58. Which organelle produces ribosomes?

• Answer: Nucleolus

59. Which part of the cell contains enzymes for breaking down substances?

• Answer: Lysosomes

60. Which type of transport uses energy to move molecules across the membrane?

• Answer: Active transport