AIC SS 1 Biology 3rd C.A 2nd Term - Quiz
  • 1. Which of the following is an example of a beneficial microorganism?
A) Bacteria causing pneumonia
B) Virus causing the flu
C) Fungi causing athlete's foot
D) Bacteria aiding in digestion
  • 2. Autotrophs are organisms that:
A) Produce their own food
B) Depend on other organisms for food
C) Break down dead organic matter
D) None of the above
  • 3. Which of the following is an example of a vector?
A) Virus causing the common cold
B) Fungi causing athlete's foot
C) Bacteria causing food poisoning
D) Mosquito transmitting malaria
  • 4. Which of the following is NOT a role of the Red Cross Society?
A) Conducting medical research
B) Promoting health education
C) Blood donation and transfusion services
D) Providing humanitarian aid during disasters
  • 5. Decomposers play a crucial role in ecosystems by:
A) None of the above
B) Producing oxygen through photosynthesis
C) Breaking down dead organic matter
D) Providing food for other organisms
  • 6. In the laboratory, turbidity can be measured with a ..............
A) Geiger muller counter
B) Spectrophotometer
C) Turbidometer
D) Speedometry
  • 7. Organisms referred to as causative agents and disease-inducing micro-organisms are......
A) Vectors
B) Pathogens
C) Antibodies
D) Antigens
  • 8. What are some problems associated with conservation?
A) Lack of public awareness and participation
B) Increased pollution levels in protected areas.
C) Excessive funding and resources allocated to conservation efforts
D) Extinction of species due to overprotection
  • 9. What is adaptation in living organisms?
A) The process of evolution through natural selection.
B) The interdependence of organisms within an ecosystem.
C) The ability of organisms to change their habitat
D) The adjustment of organisms to their environmental conditions.
  • 10. Which of the following structural adaptations is characteristic of fish?
A) Gills for respiration
B) Scales for protection
C) Strong jaws for hunting.
D) Wings for flight
  • 11. 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.
  • 12. What measures can be taken to control soil pollution?
A) Disposing of hazardous waste in landfills.
B) Implementing sustainable farming practices.
C) Increasing the use of chemical fertilizers.
D) Encouraging deforestation for urban development.
  • 13. How do unicellular organisms and invertebrates reproduce?
A) Through sexual reproduction only.
B) Through both sexual and asexual reproduction.
C) Through asexual reproduction only.
D) They do not reproduce.
  • 14. Which type of reproduction occurs in amoeba?
A) Binary fission
B) Asexual reproduction
C) Sexual reproduction.
D) Multiple fission.
  • 15. Which of the following are examples of renewable resources that need to be conserved?
A) Water and air.
B) Landfills and waste dumps.
C) Fossil fuels and minerals
D) Plastic and synthetic materials.
  • 16. How can we ensure conservation of natural resources?
A) By relying solely on technological advancements to replace resources.
B) By ignoring the impact of human activities on the environment.
C) By overexploiting resources to meet increasing demands
D) By using resources efficiently and promoting sustainable practices.
  • 17. What is a structural adaptation seen in tadpoles?
A) Gills for respiration
B) Webbed feet for swimming
C) Legs for hopping on land.
D) Lungs for breathing in water
  • 18. One of the following is used for collecting tiny organisms that live in thw soil water.
A) Secchi disc
B) Baermann funnel
C) Hydrophotometer
D) Pooter
  • 19. ............ Is used to measure pressure.
A) Colorimeter
B) Photometer
C) Hygrometer
D) Barometer
  • 20. The diagrammatic representation of the food chain in which producers form the base and the carnivores form the apex is called ...........
A) Pyramid of number
B) Pyramid of energy
C) Pyramid
D) Dome
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