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Eighth Grade (Grade 8) Biology Questions

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Grade 8 :: Cell Structure and Function by B2Good
Grade 8 :: Cell Structure and Function by Gr8Life
Grade 8 :: Biochemistry by rebmidwife
The process where cells obtain energy from sugar molecules is called:
  1. biotic
  2. nitrogen cycle
  3. respiration
  4. food chains
Grade 8 :: Taxonomy by B2Good
What is binomial nomenclature?
  1. two cell types
  2. two-word scientific naming system
Grade 8 :: Evolution by sharrik
Different kinds of plants living in the same area must compete for water. Which plant represents "survival of the fittest"?
  1. the plant with the largest leaves
  2. a plant with a compact root system
  3. the plant with the largest root system
  4. a plant with needles instead of leaves
Grade 8 :: Respiration, Digestion, and Excretion by ptbabin
Three organs of the digestive system that food does not pass through.
  1. stomach, esophagus, small intestine
  2. liver, gall bladder, pancreas
  3. large intestine, small intestine, stomach
Grade 8 :: Respiration, Digestion, and Excretion by ptbabin
Grade 8 :: Respiration, Digestion, and Excretion by ptbabin
Name the three parts of the small intestine.
  1. ileum, jejunum, duodenum
  2. absorption, esophagus, enzyme
  3. peristasis, gastrin, secretin
  4. lipids, saliva, epiglottis
Grade 8 :: Human Reproduction by Robyn_Black
The release of an egg from an ovary is known as:
  1. ovulation
  2. fertalization
  3. menstruation
  4. afterbirth
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