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) Holophytic nutrition
B) Holozoic nutrition
C) Parasitic nutrition
D) Saprophytic 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) Rhizopus
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) Synecology
D) Biome
  • 5. Trapping and absorbing mechanisms are common among the ------------
A) Insectivorous plants
B) Microphagous feeders
C) Filter feeders
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) Nitrosomonas
C) Nitrobacter
D) Clostridium
  • 7. Protozoa belong to the group of organisms called _____.
A) Cyanophyta
B) Pyrrophyta
C) Protista
D) Blue-green alga
  • 8. Amoeba moves by the use of false leg called _______.
A) Cilia
B) Flagella
C) pseudopodia
D) Pellicle
  • 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 usually undergo secondary growth
C) The vascular bundles of the stem are scattered
D) They have tap root
  • 10. NADP means --------.
A) Nicotine adenine dinucleotide phosphate
B) Nicotinamide adenine dinucleotide phosphine
C) Nicotinamide adenine dinucleotide phosphate
D) Nicotinamine adenine dinucleotine phosphate
  • 11. Which of the following best defines the conservation of natural resources?
A) The extraction and exploitation of non-renewable resources.
B) The disposal of waste materials in the environment.
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) International Space Agency (ISA).
C) Environmental Protection Agency (EPA).
D) World Health Organization (WHO)
  • 13. What are some problems associated with conservation?
A) Lack of public awareness and participation
B) Extinction of species due to overprotection
C) Excessive funding and resources allocated to conservation efforts
D) Increased pollution levels in protected areas.
  • 14. What are the benefits of conservation?
A) Decreased biodiversity and ecosystem stability.
B) Sustainable use of resources and preservation of natural habitats.
C) Accelerated climate change and global warming.
D) Increased pollution and habitat destruction.
  • 15. In ecology, what does "tolerance" refer to?
    .
A) The acceptance of diverse cultural practices within a community
B) The ability of organisms to withstand extreme temperatures
C) The capacity of organisms to adapt to environmental stressors.
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) b) The range of temperatures where organisms can reproduce effectively.
C) The range of temperatures where organisms cannot survive.
D) The range of temperatures where organisms experience minimal stress.
  • 17. What does "geographic range" refer to?
A) 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.
B) The range of latitudes where a species can be found.
C) The total land area covered by a particular organism or species.
D) The number of species present in a given geographic location.
  • 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 process of evolution through natural selection.
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 influences the development of specialized structures or behaviors.
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) 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) Long tongues for catching prey.
B) Shells for protection
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) Pouches for carrying offspring.
C) Wings for flying.
D) Camouflage for blending with the surroundings.
  • 23. Which of the following structural adaptations is seen in prawns?
A) Suction cups for attaching to surfaces.
B) Compound eyes for a wide field of vision.
C) Poisonous stingers for defense.
D) Feathers for insulation
  • 24. What are the sources, causes, and effects of air pollution?
A) Sources: Industrial emissions; Causes: Burning fossil fuels; Effects: Respiratory illnesses.
B) Sources: Noise from transportation; Causes: Overfishing; Effects: Disruption of aquatic ecosystems.
C) Sources: Pesticides and herbicides; Causes: Deforestation; Effects: Soil erosion.
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 implementing proper waste treatment and management.
D) By promoting deforestation for agricultural purposes.
  • 26. What measures can be taken to control soil pollution?
A) Implementing sustainable farming practices.
B) Increasing the use of chemical fertilizers.
C) Disposing of hazardous waste in landfills.
D) Encouraging deforestation for urban development.
  • 27. 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.
  • 28. Which type of reproduction occurs in amoeba?
A) Multiple fission.
B) Binary fission
C) Asexual reproduction
D) Sexual 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) Asexual reproduction
B) Binary fission
C) Multiple fission.
D) Sexual reproduction.
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