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