AIC SS 1 Biology Revision Test 2nd Term
  • 1. Which of the following is an example of a beneficial microorganism?
A) Bacteria causing pneumonia
B) Bacteria aiding in digestion
C) Fungi causing athlete's foot
D) Virus causing the flu
  • 2. Which of the following is NOT a mode of transmission for diseases caused by microorganisms?
A) Vector-borne
B) Airborne
C) Waterborne
D) Genetic inheritance
  • 3. HIV stands for:
A) Human Influenza Virus
B) Human Immunodeficiency Virus
C) Highly Infectious Virus
D) Human Intestinal Virus
  • 4. Which of the following is a symptom of HIV?
A) Fatigue
B) All of the above
C) Persistent cough
D) Skin rash
  • 5. The maintenance of good health involves:
A) Regular exercise
B) Adequate sleep
C) All of the above
D) Proper nutrition
  • 6. Which organization is responsible for coordinating international public health efforts?
A) WHO (World Health Organization)
B) NMA (National Medical Association)
C) Red Cross Society
D) UNICEF (United Nations Children's Fund)
  • 7. Autotrophs are organisms that:
A) Break down dead organic matter
B) Produce their own food
C) Depend on other organisms for food
D) None of the above
  • 8. Heterotrophs obtain their food by:
A) Photosynthesis
B) Consuming other organisms
C) Chemosynthesis
D) Decomposing organic matter
  • 9. Which of the following is an example of a vector?
A) Fungi causing athlete's foot
B) Virus causing the common cold
C) Mosquito transmitting malaria
D) Bacteria causing food poisoning
  • 10. Which of the following is NOT a way to control vectors?
A) Use of bed nets
B) Vaccination
C) Use of insecticides
D) Elimination of breeding sites
  • 11. Which of the following is NOT a role of the Red Cross Society?
A) Blood donation and transfusion services
B) Providing humanitarian aid during disasters
C) Promoting health education
D) Conducting medical research
  • 12. Decomposers play a crucial role in ecosystems by:
A) Providing food for other organisms
B) None of the above
C) Producing oxygen through photosynthesis
D) Breaking down dead organic matter
  • 13. In the laboratory, turbidity can be measured with a ..............
A) Geiger muller counter
B) Spectrophotometer
C) Turbidometer
D) Speedometry
  • 14. Organisms referred to as causative agents and disease-inducing micro-organisms are......
A) Antigens
B) Vectors
C) Antibodies
D) Pathogens
  • 15. Animal diseases caused by protozoa are the following except ......
A) Coccidiosis
B) Gummosis
C) Trypanosomiasis
D) Trichomoniasis
  • 16. The type of nutrition where organisms feed on dead and decaying organic materials is called -----
A) Parasitic nutrition
B) Holozoic nutrition
C) Saprophytic nutrition
D) Holophytic nutrition
  • 17. Which of the following best defines the conservation of natural resources?
A) The depletion of renewable resources for human use.
B) The preservation and sustainable use of natural resources.
C) The extraction and exploitation of non-renewable resources.
D) The disposal of waste materials in the environment.
  • 18. Which agencies are responsible for the conservation of soil, water, animals, and forests?
A) United Nations Educational, Scientific and Cultural Organization (UNESCO).
B) Environmental Protection Agency (EPA).
C) International Space Agency (ISA).
D) World Health Organization (WHO)
  • 19. What are some problems associated with conservation?
A) Lack of public awareness and participation
B) Extinction of species due to overprotection
C) Excessive funding and resources allocated to conservation efforts
D) Increased pollution levels in protected areas.
  • 20. What are the benefits of conservation?
A) Decreased biodiversity and ecosystem stability.
B) Sustainable use of resources and preservation of natural habitats.
C) Accelerated climate change and global warming.
D) Increased pollution and habitat destruction.
  • 21. In ecology, what does "tolerance" refer to?
    .
A) The ability of organisms to withstand extreme temperatures
B) The acceptance of diverse cultural practices within a community
C) The extent to which organisms can reproduce successfully.
D) The capacity of organisms to adapt to environmental stressors.
  • 22. What is the concept of the minimum and maximum range of tolerance?
A) The range of temperatures where organisms experience minimal stress.
B) The range of temperatures where organisms can survive but not thrive.
C) b) The range of temperatures where organisms can reproduce effectively.
D) The range of temperatures where organisms cannot survive.
  • 23. What does "geographic range" refer to?
A) The number of species present in a given geographic location.
B) The total land area covered by a particular organism or species.
C) The range of latitudes where a species can be found.
D) b) The number of species present in a given geographic location. c) The range of latitudes where a species can be found. d) The migratory pattern of organisms across continents.
  • 24. What is adaptation in living organisms?
A) The ability of organisms to change their habitat
B) The interdependence of organisms within an ecosystem.
C) The process of evolution through natural selection.
D) The adjustment of organisms to their environmental conditions.
  • 25. How does the availability of water affect adaptive modifications in organisms?
A) It limits the growth of populations
B) It disrupts the genetic diversity of species.
C) It influences the development of specialized structures or behaviors.
D) It accelerates evolutionary processes
  • 26. Which of the following structural adaptations is characteristic of fish?
A) Scales for protection
B) Wings for flight
C) Gills for respiration
D) Strong jaws for hunting.
  • 27. Which structural adaptation is typical of toads?
A) Long tongues for catching prey.
B) Suction cup-like toes for climbing
C) Poison glands for defense.
D) Shells for protection
  • 28. What is a structural adaptation observed in lizards?
A) Pouches for carrying offspring.
B) Large ears for enhanced hearing.
C) Camouflage for blending with the surroundings.
D) Wings for flying.
  • 29. Which of the following structural adaptations is seen in prawns?
A) Poisonous stingers for defense.
B) Compound eyes for a wide field of vision.
C) Feathers for insulation
D) Suction cups for attaching to surfaces.
  • 30. What are the sources, causes, and effects of air pollution?
A) Sources: Pesticides and herbicides; Causes: Deforestation; Effects: Soil erosion.
B) Sources: Oil spills; Causes: Industrial waste; Effects: Water contamination.
C) Sources: Industrial emissions; Causes: Burning fossil fuels; Effects: Respiratory illnesses.
D) Sources: Noise from transportation; Causes: Overfishing; Effects: Disruption of aquatic ecosystems.
  • 31. How can water pollution be controlled?
A) By reducing carbon dioxide emissions.
B) By implementing proper waste treatment and management.
C) By using plastic extensively for packaging.
D) By promoting deforestation for agricultural purposes.
  • 32. What measures can be taken to control soil pollution?
A) Encouraging deforestation for urban development.
B) Disposing of hazardous waste in landfills.
C) Increasing the use of chemical fertilizers.
D) Implementing sustainable farming practices.
  • 33. How do unicellular organisms and invertebrates reproduce?
A) Through both sexual and asexual reproduction.
B) Through asexual reproduction only.
C) They do not reproduce.
D) Through sexual reproduction only.
  • 34. Which type of reproduction occurs in amoeba?
A) Asexual reproduction
B) Multiple fission.
C) Sexual reproduction.
D) Binary fission
  • 35. How does Paramecium reproduce?
A) Through multiple fission
B) Through asexual reproduction.
C) Through binary fission
D) Through sexual reproduction
  • 36. Which type of reproduction is observed in earthworms?
A) Binary fission
B) Multiple fission.
C) Sexual reproduction.
D) Asexual reproduction
  • 37. Which of the following are examples of renewable resources that need to be conserved?
A) Plastic and synthetic materials.
B) Water and air.
C) Fossil fuels and minerals
D) Landfills and waste dumps.
  • 38. How can we ensure conservation of natural resources?
A) By ignoring the impact of human activities on the environment.
B) By using resources efficiently and promoting sustainable practices.
C) By overexploiting resources to meet increasing demands
D) By relying solely on technological advancements to replace resources.
  • 39. What is a structural adaptation seen in tadpoles?
A) Lungs for breathing in water
B) Gills for respiration
C) Legs for hopping on land.
D) Webbed feet for swimming
  • 40. How does reproduction take place in houseflies?
A) Parthenogenesis
B) External fertilization
C) Binary fission
D) Internal fertilization
  • 41. What is the method of reproduction in snails?
A) Parthenogenesis
B) External fertilization
C) Internal fertilization - lay eggs
D) Binary fission
  • 42. Which of the following is a disease of the liver?
A) Malaria
B) Pneumonia
C) Osteoporosis
D) Cirrhosis
  • 43. One of the following is not a factor that affects population.
A) Water
B) Competition
C) Heat
D) Adaptation
  • 44. One fo the following is not an abiotic factor.
A) Competition
B) Edaphic
C) Topographic
D) Chemical
  • 45. One of the following is used for collecting tiny organisms that live in thw soil water.
A) Hydrophotometer
B) Pooter
C) Baermann funnel
D) Secchi disc
  • 46. ............ Is used to measure pressure.
A) Colorimeter
B) Barometer
C) Photometer
D) Hygrometer
  • 47. The feeding level in a food chain or food web is known as --------.
A) Food chain
B) Pyramid of number
C) Trophic level
D) Pyramid of energy
  • 48. The diagrammatic representation of the food chain in which producers form the base and the carnivores form the apex is called ...........
A) Dome
B) Pyramid
C) Pyramid of energy
D) Pyramid of number
  • 49. Energy flow is ------------.
A) Rotational
B) Cyclic
C) Directional
D) Undirectional
  • 50. In the pyramid of energy, the producers at the first trophic level contain --------- of the energy.
A) Least
B) Best
C) Most
D) Less
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