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Eighth Grade (Grade 8) Biology Questions

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Grade 8 Cell Structure and Function
Grade 8 Communities, Populations, and Ecosystems
Grade 8 Biochemical Pathways
Which describes a difference between photosynthesis and cellular respiration?
  1. Photosynthesis needs oxygen, Respiration needs water
  2. Photosynthesis needs carbon dioxide, Respiration needs oxygen and sugars
  3. Photosynthesis makes oxygen, Respiration makes water
  4. Photosynthesis makes water, Respiration makes carbon dioxide
Grade 8 Nervous and Endocrine Systems
The nervous system is divided into two main parts, the Central Nervous System and the
  1. Southern Nervous System
  2. Cerebral Nervous System
  3. Polar Nervous System
  4. Peripheral Nervous System
Grade 8 DNA, RNA, and Genetics
The science of heredity is called                  .
  1. genetics
  2. extinction
  3. evolution
  4. natural selection
Grade 8 Cell Structure and Function
What do lysosomes do?
  1. Get rid of waste
  2. Gives us our protein
  3. Stores all information
  4. Transport materials
Grade 8 Cell Structure and Function
Which are in both plant and animal cells?
  1. Cell wall, ER, & Golgi body
  2. Cell wall, Cytoplasm, & Golgi body
  3. Nucleolus, Ribsomes, ER
  4. All of above
Grade 8 DNA, RNA, and Genetics
Passing traits from parents to offspring is called
  1. genetics
  2. heredity
  3. evolution
  4. gene
Grade 8 Development and Reproduction
Grade 8 Skin, Skeleton, and Muscles
What best describe a function of the skeleton?
  1. Movement of the body, attached to bones
  2. Transport of materials to the body
  3. Support and protection of soft body parts
  4. None of above
Grade 8 Biotic and Abiotic
Select the letter of EACH choice that is a biotic factor in a prairie dog ecosystem.
  1. grass and other plants that the prairie dog eats
  2. hawks, ferrets, and other animals that hunt prairie dogs
  3. the soil that provides the prairie dog with a home
  4. worms, fungi, and bacteria that also live in the soil
Grade 8 Biochemical Pathways
During which of these is oxygen being released?
  1. cellular respiration
  2. photosynthesis
  3. breathing
  4. fermentation
Grade 8 Circulatory and Immune Systems
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Circulatory and Immune Systems
What are the chambers of the heart?
  1. atria or auricles and ventricles
  2. veins and arteries
  3. adenoids and tonsils
Grade 8 DNA, RNA, and Genetics
What is a Punnett square used to do?
  1. to show all the possible combinations of hair colors
  2. to show all possible shoe sizes
  3. to show DNA type
  4. to show all the possible combinations of alleles that can result from a genetic cross
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