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SS 2 Biology 1st Term 3rd Test 25/26
Contributed by: College
  • 1. Diffusion is the movement of particles from an area of ______ concentration to an area of ______ concentration.
A) equal, equal
B) none of the above
C) higher, lower
D) lower, higher
  • 2. Which of the following states of matter does diffusion occur in?
A) Liquid
B) Gas
C) All of the above
D) Solid
  • 3. Osmosis is the movement of ______ molecules across a selectively permeable membrane.
A) Glucose
B) Oxygen
C) Water
D) Carbondioxide
  • 4. Which of the following phenomena is NOT related to osmosis?
A) Plasmolysis
B) Haemolysis
C) Flaccidity
D) Turgidity
  • 5. The process of water moving from an area of lower solute concentration to an area of higher solute concentration is called:
A) Diffusion
B) Osmosis
C) Plasmolysis
D) Turgidity
  • 6. Which of the following is an example of a beneficial microorganism?
A) Fungi causing athlete's foot
B) Bacteria causing pneumonia
C) Virus causing the flu
D) Bacteria aiding in digestion
  • 7. Which of the following is NOT a mode of transmission for diseases caused by microorganisms?
A) Genetic inheritance
B) Vector-borne
C) Airborne
D) Waterborne
  • 8. HIV stands for:
A) Human Immunodeficiency Virus
B) Human Influenza Virus
C) Highly Infectious Virus
D) Human Intestinal Virus
  • 9. Which of the following is a symptom of HIV?
A) Skin rash
B) Persistent cough
C) Fatigue
D) All of the above
  • 10. The maintenance of good health involves:
A) Proper nutrition
B) Regular exercise
C) Adequate sleep
D) All of the above
  • 11. Which organization is responsible for coordinating international public health efforts?
A) UNICEF (United Nations Children's Fund)
B) Red Cross Society
C) WHO (World Health Organization)
D) NMA (National Medical Association)
  • 12. Autotrophs are organisms that:
A) Depend on other organisms for food
B) None of the above
C) Break down dead organic matter
D) Produce their own food
  • 13. Heterotrophs obtain their food by:
A) Consuming other organisms
B) Photosynthesis
C) Chemosynthesis
D) Decomposing organic matter
  • 14. Which of the following represents a trophic level in a food chain?
A) Secondary consumers
B) Primary consumers
C) All of the above
D) Producers
  • 15. The energy flow along trophic levels can be represented by a:
A) All of the above
B) Pyramid of Biomass
C) Pyramid of Energy
D) Pyramid of Number
  • 16. Plasmolysis occurs when a plant cell:
A) Bursts due to excessive water intake
B) Loses water and becomes flaccid
C) Gains water and becomes turgid
D) None of the above
  • 17. Which of the following is an example of a vector?
A) Virus causing the common cold
B) Mosquito transmitting malaria
C) Fungi causing athlete's foot
D) Bacteria causing food poisoning
  • 18. Which of the following is NOT a way to control vectors?
A) Use of insecticides
B) Elimination of breeding sites
C) Use of bed nets
D) Vaccination
  • 19. Which of the following is NOT a role of the Red Cross Society?
A) Providing humanitarian aid during disasters
B) Conducting medical research
C) Blood donation and transfusion services
D) Promoting health education
  • 20. Decomposers play a crucial role in ecosystems by:
A) Breaking down dead organic matter
B) Providing food for other organisms
C) None of the above
D) Producing oxygen through photosynthesis
  • 21. The first process of glycolysis begins with the phosphorylation of glucose to ......
A) glucose -6-phosphate
B) Oxaloacetic acid
C) Acetyl coenzyme A
D) Pyruvic acid
  • 22. The resting phase of the cell in mitosis is .......
A) Metaphase
B) Telophase
C) Anaphase
D) Interphase
  • 23. Kreb's cycle is also called........
A) Tricarboxylic acid cycle
B) Acetyl co A cycle
C) Glycolysis
D) Carboxylic acid cycle
  • 24. When the surrounding solution is concentrated that the solution in the cell, the solution is said to be .........
A) Hypotonic
B) Hypnotonic
C) Hypertonic
D) Isotonic
  • 25. The following are factors affecting diffusion except..........
A) Size of container
B) Temperature
C) Size of particules
D) Surface area
  • 26. Which of the following cell organelles is responsible for the packaging and distribution of materials?
A) Golgi bodies
B) Vacuole
C) Lysosome
D) Nucleolus
  • 27. .......... contains the DNA which stores genetic traits.
A) Chromosomes
B) Centrioles
C) Endoplasmic reticulum
D) Mitochondria
  • 28. In the laboratory, turbidity can be measured with a ..............
A) Spectrophotometer
B) Geiger muller counter
C) Speedometry
D) Turbidometer
  • 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) Coccidiosis
D) Trypanosomiasis
  • 31. Which process involves the division of a single cell into two identical daughter cells?
A) Mitosis
B) Cell differentiation
C) Cell enlargement
D) Meiosis
  • 32. Which type of growth occurs at the tips of roots and shoots, leading to an increase in length?
A) Meiotic growth
B) Apical growth
C) Mitotic growth
D) Auxiliary growth
  • 33. Which of the following is responsible for regulating growth in plants?
A) Enzymes
B) Hormones
C) Sunlight
D) Nutrients
  • 34. What is the process by which cells convert glucose and oxygen into carbon dioxide, water, and energy?
A) Fermentation
B) Glycolysis
C) Photosynthesis
D) Cellular respiration
  • 35. Which process of cellular respiration occurs in the presence of oxygen and involves the breakdown of glucose?
A) Catabolism
B) Kreb's cycle
C) Fermentation
D) Anaerobic respiration
  • 36. What is the first step of anaerobic respiration, where glucose is converted into pyruvate?
A) Fermentation
B) Glycolysis
C) Electron transport chain
D) Kreb's cycle
  • 37. Which process of cellular respiration produces the most energy in the form of ATP?
A) Glycolysis
B) Aerobic respiration
C) Catabolism
D) Fermentation
  • 38. What is the primary source of energy released during cellular respiration?
A) Oxygen
B) Water
C) Carbon dioxide
D) Glucose
  • 39. Which of the following is the correct equation for aerobic respiration?
A) Glucose + Oxygen → Carbon dioxide + Water + Energy
B) Oxygen + Water + Energy → Glucose + Carbon dioxide
C) Glucose + Water + Energy → Carbon dioxide + Oxygen
D) Carbon dioxide + Water + Energy → Glucose + Oxygen
  • 40. Which process occurs in the absence of oxygen and results in the production of lactic acid or ethanol?
A) Aerobic respiration
B) Fermentation
C) Catabolism
D) Kreb's cycle
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