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) Parasitic nutrition
B) Saprophytic nutrition
C) Holozoic nutrition
D) Holophytic nutrition
  • 2. The mosquito possesses a piercing mouth part called ----
A) Sponge
B) Proboscis
C) Maxillae
D) Labrum
  • 3. Filter feeding is common among --------
A) Pitcher- plant
B) Aquatic organisms
C) Mosquito
D) Rhizopus
  • 4. The study of an individual organism or a single species of organism and its environment is known as ......
A) Synecology
B) Biome
C) Autecology
D) Ecology
  • 5. Trapping and absorbing mechanisms are common among the ------------
A) Insectivorous plants
B) Filter feeders
C) Microphagous feeders
D) Mosquito larva
  • 6. The reaction known as nitrification involves the conversion of ammonium compounds first into nitrite by nitrifying bacteria called ........
A) Nitrobacter
B) Azotobacter
C) Nitrosomonas
D) Clostridium
  • 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) Flagella
B) Pellicle
C) pseudopodia
D) Cilia
  • 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) 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 disposal of waste materials in the environment.
B) The extraction and exploitation of non-renewable resources.
C) The depletion of renewable resources for human use.
D) The preservation and sustainable use of natural resources.
  • 12. Which agencies are responsible for the conservation of soil, water, animals, and forests?
A) United Nations Educational, Scientific and Cultural Organization (UNESCO).
B) World Health Organization (WHO)
C) Environmental Protection Agency (EPA).
D) International Space Agency (ISA).
  • 13. What are some problems associated with conservation?
A) Extinction of species due to overprotection
B) Excessive funding and resources allocated to conservation efforts
C) Increased pollution levels in protected areas.
D) Lack of public awareness and participation
  • 14. What are the benefits of conservation?
A) Sustainable use of resources and preservation of natural habitats.
B) Decreased biodiversity and ecosystem stability.
C) Increased pollution and habitat destruction.
D) Accelerated climate change and global warming.
  • 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 acceptance of diverse cultural practices within a community
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 cannot survive.
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) 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 number of species present in a given geographic location.
D) The total land area covered by a particular organism or species.
  • 18. 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.
  • 19. How does the availability of water affect adaptive modifications in organisms?
A) It limits the growth of populations
B) It disrupts the genetic diversity of species.
C) It accelerates evolutionary processes
D) It influences the development of specialized structures or behaviors.
  • 20. Which of the following structural adaptations is characteristic of fish?
A) Strong jaws for hunting.
B) Scales for protection
C) Gills for respiration
D) Wings for flight
  • 21. Which structural adaptation is typical of toads?
A) Suction cup-like toes for climbing
B) Shells for protection
C) Poison glands for defense.
D) Long tongues for catching prey.
  • 22. What is a structural adaptation observed in lizards?
A) Large ears for enhanced hearing.
B) Wings for flying.
C) Camouflage for blending with the surroundings.
D) Pouches for carrying offspring.
  • 23. Which of the following structural adaptations is seen in prawns?
A) Compound eyes for a wide field of vision.
B) Poisonous stingers for defense.
C) Feathers for insulation
D) Suction cups for attaching to surfaces.
  • 24. What are the sources, causes, and effects of air pollution?
A) Sources: Pesticides and herbicides; Causes: Deforestation; Effects: Soil erosion.
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: Oil spills; Causes: Industrial waste; Effects: Water contamination.
  • 25. How can water pollution be controlled?
A) By implementing proper waste treatment and management.
B) By reducing carbon dioxide emissions.
C) By promoting deforestation for agricultural purposes.
D) By using plastic extensively for packaging.
  • 26. What measures can be taken to control soil pollution?
A) Increasing the use of chemical fertilizers.
B) Implementing sustainable farming practices.
C) Encouraging deforestation for urban development.
D) Disposing of hazardous waste in landfills.
  • 27. How do unicellular organisms and invertebrates reproduce?
A) They do not reproduce.
B) Through sexual reproduction only.
C) Through both sexual and asexual reproduction.
D) Through asexual reproduction only.
  • 28. Which type of reproduction occurs in amoeba?
A) Binary fission
B) Sexual reproduction.
C) Asexual reproduction
D) Multiple fission.
  • 29. How does Paramecium reproduce?
A) Through binary fission
B) Through multiple fission
C) Through asexual reproduction.
D) Through sexual reproduction
  • 30. Which type of reproduction is observed in earthworms?
A) Binary fission
B) Asexual reproduction
C) Multiple fission.
D) Sexual reproduction.
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