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) Bacteria causing pneumonia
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) Genetic inheritance
B) Airborne
C) Waterborne
D) Vector-borne
  • 3. HIV stands for:
A) Human Immunodeficiency Virus
B) Highly Infectious Virus
C) Human Influenza Virus
D) Human Intestinal Virus
  • 4. Which of the following is a symptom of HIV?
A) Skin rash
B) All of the above
C) Persistent cough
D) Fatigue
  • 5. The maintenance of good health involves:
A) Adequate sleep
B) Proper nutrition
C) Regular exercise
D) All of the above
  • 6. 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)
  • 7. 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
  • 8. Heterotrophs obtain their food by:
A) Photosynthesis
B) Chemosynthesis
C) Consuming other organisms
D) Decomposing organic matter
  • 9. 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
  • 10. 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
  • 11. Which of the following is NOT a role of the Red Cross Society?
A) Conducting medical research
B) Blood donation and transfusion services
C) Providing humanitarian aid during disasters
D) Promoting health education
  • 12. 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
  • 13. In the laboratory, turbidity can be measured with a ..............
A) Turbidometer
B) Spectrophotometer
C) Geiger muller counter
D) Speedometry
  • 14. Organisms referred to as causative agents and disease-inducing micro-organisms are......
A) Vectors
B) Antigens
C) Antibodies
D) Pathogens
  • 15. Animal diseases caused by protozoa are the following except ......
A) Trichomoniasis
B) Gummosis
C) Trypanosomiasis
D) Coccidiosis
  • 16. The type of nutrition where organisms feed on dead and decaying organic materials is called -----
A) Holozoic nutrition
B) Holophytic nutrition
C) Parasitic nutrition
D) Saprophytic 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) Environmental Protection Agency (EPA).
B) International Space Agency (ISA).
C) United Nations Educational, Scientific and Cultural Organization (UNESCO).
D) World Health Organization (WHO)
  • 19. What are some problems associated with conservation?
A) Lack of public awareness and participation
B) Excessive funding and resources allocated to conservation efforts
C) Increased pollution levels in protected areas.
D) Extinction of species due to overprotection
  • 20. What are the benefits of conservation?
A) Decreased biodiversity and ecosystem stability.
B) Accelerated climate change and global warming.
C) Increased pollution and habitat destruction.
D) Sustainable use of resources and preservation of natural habitats.
  • 21. In ecology, what does "tolerance" refer to?
    .
A) The extent to which organisms can reproduce successfully.
B) The ability of organisms to withstand extreme temperatures
C) The acceptance of diverse cultural practices within a community
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 cannot survive.
C) The range of temperatures where organisms can survive but not thrive.
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 range of latitudes where a species can be found.
C) The number of species present in a given geographic location.
D) The total land area covered by a particular organism or species.
  • 24. What is adaptation in living organisms?
A) The ability of organisms to change their habitat
B) The process of evolution through natural selection.
C) The interdependence of organisms within an ecosystem.
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 accelerates evolutionary processes
C) It influences the development of specialized structures or behaviors.
D) It disrupts the genetic diversity of species.
  • 26. Which of the following structural adaptations is characteristic of fish?
A) Wings for flight
B) Scales for protection
C) Strong jaws for hunting.
D) Gills for respiration
  • 27. Which structural adaptation is typical of toads?
A) Poison glands for defense.
B) Suction cup-like toes for climbing
C) Shells for protection
D) Long tongues for catching prey.
  • 28. What is a structural adaptation observed in lizards?
A) Pouches for carrying offspring.
B) Large ears for enhanced hearing.
C) Wings for flying.
D) Camouflage for blending with the surroundings.
  • 29. Which of the following structural adaptations is seen in prawns?
A) Feathers for insulation
B) Suction cups for attaching to surfaces.
C) Poisonous stingers for defense.
D) Compound eyes for a wide field of vision.
  • 30. What are the sources, causes, and effects of air pollution?
A) Sources: Industrial emissions; Causes: Burning fossil fuels; Effects: Respiratory illnesses.
B) Sources: Noise from transportation; Causes: Overfishing; Effects: Disruption of aquatic ecosystems.
C) Sources: Oil spills; Causes: Industrial waste; Effects: Water contamination.
D) Sources: Pesticides and herbicides; Causes: Deforestation; Effects: Soil erosion.
  • 31. How can water pollution be controlled?
A) By implementing proper waste treatment and management.
B) By using plastic extensively for packaging.
C) By promoting deforestation for agricultural purposes.
D) By reducing carbon dioxide emissions.
  • 32. What measures can be taken to control soil pollution?
A) Encouraging deforestation for urban development.
B) Increasing the use of chemical fertilizers.
C) Disposing of hazardous waste in landfills.
D) Implementing sustainable farming practices.
  • 33. How do unicellular organisms and invertebrates reproduce?
A) Through both sexual and asexual reproduction.
B) They do not reproduce.
C) Through asexual reproduction only.
D) Through sexual reproduction only.
  • 34. Which type of reproduction occurs in amoeba?
A) Binary fission
B) Sexual reproduction.
C) Multiple fission.
D) Asexual reproduction
  • 35. How does Paramecium reproduce?
A) Through sexual reproduction
B) Through binary fission
C) Through asexual reproduction.
D) Through multiple fission
  • 36. Which type of reproduction is observed in earthworms?
A) Multiple fission.
B) Sexual reproduction.
C) Asexual reproduction
D) Binary fission
  • 37. Which of the following are examples of renewable resources that need to be conserved?
A) Water and air.
B) Fossil fuels and minerals
C) Landfills and waste dumps.
D) Plastic and synthetic materials.
  • 38. How can we ensure conservation of natural resources?
A) By ignoring the impact of human activities on the environment.
B) By overexploiting resources to meet increasing demands
C) By using resources efficiently and promoting sustainable practices.
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) Webbed feet for swimming
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) Internal fertilization - lay eggs
B) Parthenogenesis
C) Binary fission
D) External fertilization
  • 42. Which of the following is a disease of the liver?
A) Cirrhosis
B) Osteoporosis
C) Malaria
D) Pneumonia
  • 43. One of the following is not a factor that affects population.
A) Adaptation
B) Competition
C) Heat
D) Water
  • 44. One fo the following is not an abiotic factor.
A) Topographic
B) Chemical
C) Competition
D) Edaphic
  • 45. One of the following is used for collecting tiny organisms that live in thw soil water.
A) Hydrophotometer
B) Pooter
C) Secchi disc
D) Baermann funnel
  • 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) Trophic level
B) Food chain
C) Pyramid of number
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) Pyramid
B) Pyramid of energy
C) Pyramid of number
D) Dome
  • 49. Energy flow is ------------.
A) Cyclic
B) Undirectional
C) Rotational
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
Students who took this test also took :

Created with That Quiz — a math test site for students of all grade levels.