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SS 2 Biology 3rd Test
Contributed by: College
  • 1. Diffusion is the movement of particles from an area of ______ concentration to an area of ______ concentration.
A) higher, lower
B) lower, higher
C) none of the above
D) equal, equal
  • 2. Which of the following states of matter does diffusion occur in?
A) Solid
B) All of the above
C) Gas
D) Liquid
  • 3. Osmosis is the movement of ______ molecules across a selectively permeable membrane.
A) Water
B) Oxygen
C) Carbondioxide
D) Glucose
  • 4. Which of the following phenomena is NOT related to osmosis?
A) Turgidity
B) Haemolysis
C) Flaccidity
D) Plasmolysis
  • 5. The process of water moving from an area of lower solute concentration to an area of higher solute concentration is called:
A) Turgidity
B) Plasmolysis
C) Osmosis
D) Diffusion
  • 6. Which of the following is an example of a beneficial microorganism?
A) Fungi causing athlete's foot
B) Bacteria aiding in digestion
C) Bacteria causing pneumonia
D) Virus causing the flu
  • 7. Which of the following is NOT a mode of transmission for diseases caused by microorganisms?
A) Vector-borne
B) Genetic inheritance
C) Airborne
D) Waterborne
  • 8. HIV stands for:
A) Human Influenza Virus
B) Human Intestinal Virus
C) Highly Infectious Virus
D) Human Immunodeficiency Virus
  • 9. Which of the following is a symptom of HIV?
A) Persistent cough
B) All of the above
C) Fatigue
D) Skin rash
  • 10. The maintenance of good health involves:
A) Regular exercise
B) Adequate sleep
C) All of the above
D) Proper nutrition
  • 11. Which organization is responsible for coordinating international public health efforts?
A) WHO (World Health Organization)
B) NMA (National Medical Association)
C) UNICEF (United Nations Children's Fund)
D) Red Cross Society
  • 12. Autotrophs are organisms that:
A) None of the above
B) Depend on other organisms for food
C) Break down dead organic matter
D) Produce their own food
  • 13. Heterotrophs obtain their food by:
A) Chemosynthesis
B) Consuming other organisms
C) Photosynthesis
D) Decomposing organic matter
  • 14. Which of the following represents a trophic level in a food chain?
A) Producers
B) Primary consumers
C) All of the above
D) Secondary consumers
  • 15. The energy flow along trophic levels can be represented by a:
A) All of the above
B) Pyramid of Energy
C) Pyramid of Number
D) Pyramid of Biomass
  • 16. Plasmolysis occurs when a plant cell:
A) Loses water and becomes flaccid
B) None of the above
C) Bursts due to excessive water intake
D) Gains water and becomes turgid
  • 17. Which of the following is an example of a vector?
A) Virus causing the common cold
B) Bacteria causing food poisoning
C) Fungi causing athlete's foot
D) Mosquito transmitting malaria
  • 18. Which of the following is NOT a way to control vectors?
A) Elimination of breeding sites
B) Use of insecticides
C) Vaccination
D) Use of bed nets
  • 19. Which of the following is NOT a role of the Red Cross Society?
A) Promoting health education
B) Conducting medical research
C) Blood donation and transfusion services
D) Providing humanitarian aid during disasters
  • 20. Decomposers play a crucial role in ecosystems by:
A) Providing food for other organisms
B) Breaking down dead organic matter
C) Producing oxygen through photosynthesis
D) None of the above
  • 21. The first process of glycolysis begins with the phosphorylation of glucose to ......
A) Acetyl coenzyme A
B) Pyruvic acid
C) Oxaloacetic acid
D) glucose -6-phosphate
  • 22. The resting phase of the cell in mitosis is .......
A) Telophase
B) Interphase
C) Anaphase
D) Metaphase
  • 23. Kreb's cycle is also called........
A) Tricarboxylic acid cycle
B) Carboxylic acid cycle
C) Glycolysis
D) Acetyl co A cycle
  • 24. When the surrounding solution is concentrated that the solution in the cell, the solution is said to be .........
A) Isotonic
B) Hypotonic
C) Hypnotonic
D) Hypertonic
  • 25. The following are factors affecting diffusion except..........
A) Surface area
B) Size of particules
C) Temperature
D) Size of container
  • 26. Which of the following cell organelles is responsible for the packaging and distribution of materials?
A) Nucleolus
B) Lysosome
C) Vacuole
D) Golgi bodies
  • 27. .......... contains the DNA which stores genetic traits.
A) Centrioles
B) Chromosomes
C) Endoplasmic reticulum
D) Mitochondria
  • 28. In the laboratory, turbidity can be measured with a ..............
A) Geiger muller counter
B) Turbidometer
C) Speedometry
D) Spectrophotometer
  • 29. Organisms referred to as causative agents and disease-inducing micro-organisms are......
A) Vectors
B) Antigens
C) Antibodies
D) Pathogens
  • 30. Animal diseases caused by protozoa are the following except ......
A) Trichomoniasis
B) Gummosis
C) Trypanosomiasis
D) Coccidiosis
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