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Eighth Grade (Grade 8) Biology Questions

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Grade 8 Cell Structure and Function
Grade 8 Human Reproduction
Which sex cell is produced in males?
  1. egg
  2. ovary
  3. testis
  4. sperm
Grade 8 Cell Structure and Function
Grade 8 Biochemical Pathways
In what process do cells obtain energy from sugar molecules?
  1. photosynthesis
  2. nitrogen cycle
  3. respiration
  4. food chains
Grade 8 Cell Structure and Function
What structure in a plant cell enables the cell to capture energy from the Sun?
  1. cell wall
  2. chloroplast
  3. mitochondrion
  4. central vacuole
Grade 8 Cell Structure and Function
Grade 8 Food Chains and Webs
What is the purpose of a food chain?
  1. shows what organisms eat which foods
  2. shows the importance of the Sun's energy
  3. depicts the predator/prey relationships between organisms
  4. shows the transfer of energy between trophic levels
Grade 8 Human Reproduction
What process involves an egg being discharged from an ovary?
  1. fertilization
  2. ovulation
  3. negative feedback
  4. freedom
Grade 8 Cell Structure and Function
Grade 8 Food Chains and Webs
Organisms that exclusively feed on producers are
  1. herbivores.
  2. omnivores.
  3. carnivores.
  4. predators.
Grade 8 Communities, Populations, and Ecosystems
The pond where a catfish lives is best described as a(n)
  1. habitat.
  2. population.
  3. ecosystem.
  4. organism.
Grade 8 Cell Structure and Function
Lysosomes in the cell work to
  1. get rid of waste.
  2. provide protein.
  3. store all information.
  4. transport materials.
Grade 8 Food Chains and Webs
Grade 8 Cell Structure and Function
What is the function of the part represented by C in the cell shown?
Animal Cell
  1. builds proteins
  2. supports cell shape
  3. controls cell activities
  4. releases energy from food
Grade 8 Cell Structure and Function
Grade 8 Human Reproduction
What provides protection for the embryo during development?
  1. umbilical cord
  2. scrotum
  3. amniotic sac
  4. placenta
Grade 8 Cell Structure and Function
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