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) Holophytic nutrition
C) Saprophytic nutrition
D) Holozoic 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) Mosquito
B) Pitcher- plant
C) Rhizopus
D) Aquatic organisms
  • 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) Microphagous feeders
B) Filter feeders
C) Mosquito larva
D) Insectivorous plants
  • 6. The reaction known as nitrification involves the conversion of ammonium compounds first into nitrite by nitrifying bacteria called ........
A) Nitrosomonas
B) Clostridium
C) Azotobacter
D) Nitrobacter
  • 7. Protozoa belong to the group of organisms called _____.
A) Pyrrophyta
B) Blue-green alga
C) Protista
D) Cyanophyta
  • 8. Amoeba moves by the use of false leg called _______.
A) pseudopodia
B) Cilia
C) Flagella
D) Pellicle
  • 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) Nicotinamide adenine dinucleotide 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 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) Environmental Protection Agency (EPA).
B) United Nations Educational, Scientific and Cultural Organization (UNESCO).
C) World Health Organization (WHO)
D) International Space Agency (ISA).
  • 13. What are some problems associated with conservation?
A) Lack of public awareness and participation
B) Increased pollution levels in protected areas.
C) Excessive funding and resources allocated to conservation efforts
D) Extinction of species due to overprotection
  • 14. What are the benefits of conservation?
A) Increased pollution and habitat destruction.
B) Accelerated climate change and global warming.
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 ability of organisms to withstand extreme temperatures
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 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 total land area covered by a particular organism or species.
B) The range of latitudes where a species can be found.
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 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 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) 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) Long tongues for catching prey.
B) Poison glands for defense.
C) Shells for protection
D) Suction cup-like toes for climbing
  • 22. What is a structural adaptation observed in lizards?
A) Pouches for carrying offspring.
B) Camouflage for blending with the surroundings.
C) Large ears for enhanced hearing.
D) Wings for flying.
  • 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) Suction cups for attaching to surfaces.
D) Feathers for insulation
  • 24. What are the sources, causes, and effects of air pollution?
A) Sources: Noise from transportation; Causes: Overfishing; Effects: Disruption of aquatic ecosystems.
B) Sources: Oil spills; Causes: Industrial waste; Effects: Water contamination.
C) Sources: Industrial emissions; Causes: Burning fossil fuels; Effects: Respiratory illnesses.
D) Sources: Pesticides and herbicides; Causes: Deforestation; Effects: Soil erosion.
  • 25. How can water pollution be controlled?
A) By using plastic extensively for packaging.
B) By promoting deforestation for agricultural purposes.
C) By reducing carbon dioxide emissions.
D) By implementing proper waste treatment and management.
  • 26. What measures can be taken to control soil pollution?
A) Encouraging deforestation for urban development.
B) Implementing sustainable farming practices.
C) Increasing the use of chemical fertilizers.
D) Disposing of hazardous waste in landfills.
  • 27. How do unicellular organisms and invertebrates reproduce?
A) Through both sexual and asexual reproduction.
B) Through sexual reproduction only.
C) Through asexual reproduction only.
D) They do not reproduce.
  • 28. Which type of reproduction occurs in amoeba?
A) Binary fission
B) Sexual reproduction.
C) Multiple fission.
D) Asexual reproduction
  • 29. How does Paramecium reproduce?
A) Through sexual reproduction
B) Through multiple fission
C) Through binary fission
D) Through asexual reproduction.
  • 30. Which type of reproduction is observed in earthworms?
A) Sexual reproduction.
B) Multiple fission.
C) Binary fission
D) Asexual reproduction
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