SS 1 AIC Biology Exam Questions - 3rd Term 2022/23
  • 1. The type of nutrition where organisms feed on dead and decaying organic materials is called -----
A) Holozoic nutrition
B) Parasitic nutrition
C) Holophytic nutrition
D) Saprophytic nutrition
  • 2. The mosquito possesses a piercing mouth part called ----
A) Proboscis
B) Sponge
C) Labrum
D) Maxillae
  • 3. Filter feeding is common among --------
A) Pitcher- plant
B) Rhizopus
C) Aquatic organisms
D) Mosquito
  • 4. The study of an individual organism or a single species of organism and its environment is known as ......
A) Ecology
B) Autecology
C) Biome
D) Synecology
  • 5. Trapping and absorbing mechanisms are common among the ------------
A) Filter feeders
B) Microphagous feeders
C) Insectivorous plants
D) Mosquito larva
  • 6. The reaction known as nitrification involves the conversion of ammonium compounds first into nitrite by nitrifying bacteria called ........
A) Clostridium
B) Azotobacter
C) Nitrosomonas
D) Nitrobacter
  • 7. Protozoa belong to the group of organisms called _____.
A) Protista
B) Pyrrophyta
C) Cyanophyta
D) Blue-green alga
  • 8. Amoeba moves by the use of false leg called _______.
A) Pellicle
B) Cilia
C) pseudopodia
D) Flagella
  • 9. Which of the following is not a characteristic of dicotyledonous plants?
A) They have tap root
B) They usually undergo secondary growth
C) The vascular bundles of the stem are scattered
D) Their floral parts exists in groups of four or five
  • 10. NADP means --------.
A) Nicotinamide adenine dinucleotide phosphate
B) Nicotinamine adenine dinucleotine phosphate
C) Nicotine adenine dinucleotide phosphate
D) Nicotinamide adenine dinucleotide phosphine
  • 11. Which of the following best defines the conservation of natural resources?
A) The preservation and sustainable use of natural resources.
B) The extraction and exploitation of non-renewable resources.
C) The disposal of waste materials in the environment.
D) The depletion of renewable resources for human use.
  • 12. Which agencies are responsible for the conservation of soil, water, animals, and forests?
A) Environmental Protection Agency (EPA).
B) International Space Agency (ISA).
C) World Health Organization (WHO)
D) United Nations Educational, Scientific and Cultural Organization (UNESCO).
  • 13. What are some problems associated with conservation?
A) Increased pollution levels in protected areas.
B) Extinction of species due to overprotection
C) Excessive funding and resources allocated to conservation efforts
D) Lack of public awareness and participation
  • 14. What are the benefits of conservation?
A) Decreased biodiversity and ecosystem stability.
B) Sustainable use of resources and preservation of natural habitats.
C) Increased pollution and habitat destruction.
D) Accelerated climate change and global warming.
  • 15. In ecology, what does "tolerance" refer to?
    .
A) The acceptance of diverse cultural practices within a community
B) The capacity of organisms to adapt to environmental stressors.
C) The ability of organisms to withstand extreme temperatures
D) The extent to which organisms can reproduce successfully.
  • 16. 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 experience minimal stress.
C) The range of temperatures where organisms cannot survive.
D) b) The range of temperatures where organisms can reproduce effectively.
  • 17. What does "geographic range" refer to?
A) The number of species present in a given geographic location.
B) 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.
C) The total land area covered by a particular organism or species.
D) The range of latitudes where a species can be found.
  • 18. What is adaptation in living organisms?
A) The process of evolution through natural selection.
B) The ability of organisms to change their habitat
C) The adjustment of organisms to their environmental conditions.
D) The interdependence of organisms within an ecosystem.
  • 19. 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.
  • 20. Which of the following structural adaptations is characteristic of fish?
A) Strong jaws for hunting.
B) Wings for flight
C) Scales for protection
D) Gills for respiration
  • 21. Which structural adaptation is typical of toads?
A) Suction cup-like toes for climbing
B) Poison glands for defense.
C) Shells for protection
D) Long tongues for catching prey.
  • 22. What is a structural adaptation observed in lizards?
A) Large ears for enhanced hearing.
B) Pouches for carrying offspring.
C) Camouflage for blending with the surroundings.
D) Wings for flying.
  • 23. Which of the following structural adaptations is seen in prawns?
A) Feathers for insulation
B) Suction cups for attaching to surfaces.
C) Compound eyes for a wide field of vision.
D) Poisonous stingers for defense.
  • 24. What are the sources, causes, and effects of air pollution?
A) Sources: Oil spills; Causes: Industrial waste; Effects: Water contamination.
B) Sources: Industrial emissions; Causes: Burning fossil fuels; Effects: Respiratory illnesses.
C) Sources: Pesticides and herbicides; Causes: Deforestation; Effects: Soil erosion.
D) Sources: Noise from transportation; Causes: Overfishing; Effects: Disruption of aquatic ecosystems.
  • 25. 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.
  • 26. What measures can be taken to control soil pollution?
A) Encouraging deforestation for urban development.
B) Implementing sustainable farming practices.
C) Disposing of hazardous waste in landfills.
D) Increasing the use of chemical fertilizers.
  • 27. How do unicellular organisms and invertebrates reproduce?
A) Through both sexual and asexual reproduction.
B) Through sexual reproduction only.
C) They do not reproduce.
D) Through asexual reproduction only.
  • 28. Which type of reproduction occurs in amoeba?
A) Multiple fission.
B) Sexual reproduction.
C) Binary fission
D) Asexual reproduction
  • 29. How does Paramecium reproduce?
A) Through sexual reproduction
B) Through asexual reproduction.
C) Through binary fission
D) Through multiple fission
  • 30. Which type of reproduction is observed in earthworms?
A) Multiple fission.
B) Binary fission
C) Asexual reproduction
D) Sexual reproduction.
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