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