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) Saprophytic nutrition
D) Holophytic nutrition
  • 2. The mosquito possesses a piercing mouth part called ----
A) Proboscis
B) Labrum
C) Maxillae
D) Sponge
  • 3. Filter feeding is common among --------
A) Aquatic organisms
B) Mosquito
C) Pitcher- plant
D) Rhizopus
  • 4. The study of an individual organism or a single species of organism and its environment is known as ......
A) Ecology
B) Synecology
C) Biome
D) Autecology
  • 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) Azotobacter
B) Nitrobacter
C) Clostridium
D) Nitrosomonas
  • 7. Protozoa belong to the group of organisms called _____.
A) Blue-green alga
B) Cyanophyta
C) Protista
D) Pyrrophyta
  • 8. Amoeba moves by the use of false leg called _______.
A) Pellicle
B) Flagella
C) pseudopodia
D) Cilia
  • 9. Which of the following is not a characteristic of dicotyledonous plants?
A) The vascular bundles of the stem are scattered
B) They usually undergo secondary growth
C) They have tap root
D) Their floral parts exists in groups of four or five
  • 10. NADP means --------.
A) Nicotinamine adenine dinucleotine phosphate
B) Nicotine adenine dinucleotide phosphate
C) Nicotinamide adenine dinucleotide phosphine
D) Nicotinamide adenine dinucleotide phosphate
  • 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 depletion of renewable resources for human use.
D) The disposal of waste materials in the environment.
  • 12. Which agencies are responsible for the conservation of soil, water, animals, and forests?
A) World Health Organization (WHO)
B) Environmental Protection Agency (EPA).
C) International Space Agency (ISA).
D) United Nations Educational, Scientific and Cultural Organization (UNESCO).
  • 13. What are some problems associated with conservation?
A) Lack of public awareness and participation
B) Increased pollution levels in protected areas.
C) Extinction of species due to overprotection
D) Excessive funding and resources allocated to conservation efforts
  • 14. What are the benefits of conservation?
A) Decreased biodiversity and ecosystem stability.
B) Increased pollution and habitat destruction.
C) Accelerated climate change and global warming.
D) Sustainable use of resources and preservation of natural habitats.
  • 15. In ecology, what does "tolerance" refer to?
    .
A) The ability of organisms to withstand extreme temperatures
B) The capacity of organisms to adapt to environmental stressors.
C) The extent to which organisms can reproduce successfully.
D) The acceptance of diverse cultural practices within a community
  • 16. What is the concept of the minimum and maximum range of tolerance?
A) The range of temperatures where organisms cannot survive.
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 experience minimal stress.
  • 17. What does "geographic range" refer to?
A) The range of latitudes where a species can be found.
B) The number of species present in a given geographic location.
C) 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.
D) The total land area covered by a particular organism or species.
  • 18. What is adaptation in living organisms?
A) The interdependence of organisms within an ecosystem.
B) The ability of organisms to change their habitat
C) The adjustment of organisms to their environmental conditions.
D) The process of evolution through natural selection.
  • 19. How does the availability of water affect adaptive modifications in organisms?
A) It influences the development of specialized structures or behaviors.
B) It accelerates evolutionary processes
C) It limits the growth of populations
D) It disrupts the genetic diversity of species.
  • 20. Which of the following structural adaptations is characteristic of fish?
A) Scales for protection
B) Strong jaws for hunting.
C) Wings for flight
D) Gills for respiration
  • 21. Which structural adaptation is typical of toads?
A) Shells for protection
B) Long tongues for catching prey.
C) Poison glands for defense.
D) Suction cup-like toes for climbing
  • 22. What is a structural adaptation observed in lizards?
A) Large ears for enhanced hearing.
B) Camouflage for blending with the surroundings.
C) Pouches for carrying offspring.
D) Wings for flying.
  • 23. Which of the following structural adaptations is seen in prawns?
A) Feathers for insulation
B) Compound eyes for a wide field of vision.
C) Poisonous stingers for defense.
D) Suction cups for attaching to surfaces.
  • 24. What are the sources, causes, and effects of air pollution?
A) Sources: Industrial emissions; Causes: Burning fossil fuels; Effects: Respiratory illnesses.
B) Sources: Oil spills; Causes: Industrial waste; Effects: Water contamination.
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 using plastic extensively for packaging.
C) By promoting deforestation for agricultural purposes.
D) By implementing proper waste treatment and management.
  • 26. What measures can be taken to control soil pollution?
A) Implementing sustainable farming practices.
B) Disposing of hazardous waste in landfills.
C) Increasing the use of chemical fertilizers.
D) Encouraging deforestation for urban development.
  • 27. 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.
  • 28. Which type of reproduction occurs in amoeba?
A) Binary fission
B) Asexual reproduction
C) Sexual reproduction.
D) Multiple fission.
  • 29. How does Paramecium reproduce?
A) Through asexual reproduction.
B) Through multiple fission
C) Through binary fission
D) Through sexual reproduction
  • 30. Which type of reproduction is observed in earthworms?
A) Asexual reproduction
B) Sexual reproduction.
C) Binary fission
D) Multiple fission.
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