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Ninth Grade (Grade 9) Biology Questions

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Grade 9 Cell Structure and Function
You are looking through a microscope at an unknown organism. The organism appears to have a cell membrane as well as a cell wall. What conclusions can you make about what type of cell it is?
  1. The cell cannot be from a eukaryotic organism
  2. The cell can be from a prokaryotic or eukaryotic organism
  3. The cell can only be a prokaryotic organism
  4. The cell cannot be from a prokaryotic organism
Grade 9 Biochemical Pathways
The process carried out by yeast that causes bread to dough rise is                         .
  1. alcoholic fermentation
  2. cellular respiration
  3. lactic acid fermentation
  4. mitosis
Grade 9 Food Chains and Webs
An autotroph is a                                      ?
  1. an organism that makes its own food
  2. an organism that eats other organisms
  3. an organism that eats decaying matter
  4. none of the above
Grade 9 Biotic and Abiotic
Which of these refer to the biotic factors of an ecosystem?
  1. The living together of two dissimilar organisms, as in mutualism, commensalism, amensalism, or parasitism.
  2. Any living part of an environment.
  3. Representation of the number of individual organisms in each trophic level of an ecosystem.
  4. An organism that eats only meat
Grade 9 Communities, Populations, and Ecosystems
Which of these refers to a niche?
  1. An environmental factor that tends to limit population size.
  2. n increase in the Earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect.
  3. Unique living arrangement of an organism defined by its habitat, food sources, time of day it’s most active, and other factors.
  4. None of the above
Grade 9 Biotic and Abiotic
Which of these describes the abiotic factors of an ecosystem?
  1. An umbrella term describing the complete process by which habitat loss results in the division of large, continuous habitats into a greater number of smaller patches of lower total area, isolated from each other by a matrix of dissimilar habitats, and is not just the pattern of spatial arrangement of remaining habitat.
  2. A species that historically lives in one place, but that has been moved to a new geographic location due to human interference.
  3. An environmental factor that tends to limit population size.
  4. Nonliving physical or chemical condition in an environment.
Grade 9 Food Chains and Webs
Grade 9 Food Chains and Webs
What Is A Producer?
  1. An Organism
  2. An Organism That Obtains Energy
  3. An Organism That Obtains Energy From Biotic Sources
  4. An Organism That Obtains Energy From Abiotic Sources
Grade 9 Cell Structure and Function
Grade 9 Biotic and Abiotic
Grade 9 Symbiosis
What is the relationship where all involved organisms benefit?
  1. Parisitism
  2. Commensalism
  3. Mutualism
  4. Competition
Grade 9 Food Chains and Webs
Grade 9 Biochemical Pathways
Photosynthesis is the process whereby a plant                                        .
  1. converts sunlight into chemical energy
  2. uses carbon dioxide and releases oxygen
  3. produces a sugar called glucose
  4. all of these
Grade 9 Cell Structure and Function
The cells of green plants contain                 .
  1. rigid cell walls
  2. chloroplasts
  3. large vacuoles
  4. all of these
Grade 9 Biochemical Pathways
What is the type of Anaerobic Respiration that humans perform?
  1. Diffusion
  2. Lactic Acid Fermentation
  3. Alcoholic Fermentation
  4. Aerobic Fermentation
Grade 9 Cell Structure and Function
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