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Ninth Grade (Grade 9) Biology Questions

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Grade 9 Biochemical Pathways
The process carried out by yeast that causes bread dough to rise is called
  1. alcoholic fermentation
  2. cellular respiration
  3. lactic acid fermentation
  4. mitosis
Grade 9 Biotic and Abiotic
Grade 9 Food Chains and Webs
What is a producer?
  1. Any organism
  2. Any organism that obtains energy
  3. Any organism that obtains energy from other life forms
  4. Any organism that produces its own food
Grade 9 Food Chains and Webs
Which of the following statements correctly describes an autotroph?
  1. It is an organism that makes its own food.
  2. It is an organism that eats other organisms.
  3. It is an organism that eats decaying matter.
  4. None of the above.
Grade 9 Cell Structure and Function
Grade 9 Symbiosis
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 Symbiosis
Grade 9 Biotic and Abiotic
Which of these refers to the biotic factors of an ecosystem?
  1. The idea of two dissimilar organisms living together, as in mutualism, commensalism, amensalism, or parasitism.
  2. Any living part of an environment.
  3. A representation of the number of individual organisms in each trophic level of an ecosystem.
  4. An organism that eats only meat.
Grade 9 Cell Structure and Function
The fluid portion of the cytoplasm is called
  1. the nucleus
  2. the cytosol
  3. the hydrogen bond
  4. the molecule
Grade 9 Human Reproduction
What controls the start (onset) of puberty?
  1. Saliva Gland
  2. Thyroid Gland
  3. Pituitary Gland
  4. Adrenal Gland
Grade 9 Cell Structure and Function
In a eukaryotic cell, the cell's DNA is found in the
  1. nucleus
  2. ribosomes
  3. cell membrane
  4. eukaryote
Grade 9 Biochemical Pathways
Photosynthesis is the process in which a plant
  1. converts sunlight to chemical energy
  2. utilizes carbon dioxide and releases oxygen
  3. produces a sugar called glucose
  4. all of the above
Grade 9 Cell Structure and Function
Plant cells contain
  1. rigid cell walls
  2. chloroplasts
  3. large vacuoles
  4. all of the above
Grade 9 Cell Structure and Function
Which statement correctly lists what all cells have in common?
  1. All cells have a cell wall, a nucleus, and genetic material.
  2. All cells have a cell membrane, cytoplasm, and genetic material.
  3. All cells have a cell membrane, cytoplasm, and ribosomes.
  4. All cells have a cell wall, ribosomes and a cell membrane.
Grade 9 Cell Structure and Function
Bacteria and Archaea are
  1. eukaryotic
  2. prokaryotic
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