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