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Biology Questions - All Grades

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The Biology questions below are in the following grade levels: Kindergarten
Grades: 1 2 3 4 5 6 7 8 9 10 11 12 College Graduate Continuing Education
1 2 3 4 ... 445
Grade 10 :: Evolution by Drv00d00
During a study session about evolution, one of your fellow students remarks, "The giraffe stretched
its neck while reaching for higher leaves; its offspring inherited longer necks as a result." Which
statement is most likely to be helpful in correcting this student's misconception?
  1. Characteristics acquired during an organism's life are generally not passed on through genes.
  2. Spontaneous mutations can result in the appearance of new traits.
  3. Only favorable adaptations have survival value
  4. Disuse of an organ may lead to its eventual disappearance.
  5. If the giraffes did not have to compete with each other, longer necks would not have been passed on to the next generation.
Grade 9 :: DNA, RNA, and Genetics by meganber
Which of the following word describes the synthesis of RNA using a DNA
template?
  1. transcription
  2. translation
  3. photosynthesis
  4. respiration
Grade 9 :: Biochemistry by LBeth
[math]C_6H_12O_6 + 6O_2->6CO_2+6H_2O+en ergy [/math] is the balanced chemical equation for
  1. photosynthesis
  2. glycolysis
  3. cellular respiration
  4. Krebs cycle
Grade 2 :: Circulatory and Immune Systems by megsmill
The heart is
  1. a muscle
  2. the size of your fist
  3. able to pump blood throughout your whole body
  4. all of these
Grade 5 :: Ecology by tawauna
Which list shows a possible order in which energy moves through an ecosystem?
  1. herbivore, carnivore, sun, producer, decomposer
  2. sun, producer, herbivore, carnivore, decomposer
  3. sun, producer, predator, consumer, decomposer
  4. producer, sun, carnivore, herbivore, decomposer
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 :: 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
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