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Tenth Grade (Grade 10) Biology Questions

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Grade 10 :: Biochemistry by Amy_B
Grade 10 :: Biochemistry by Amy_B
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 10 :: Biochemistry by HSimpson74
Carbohydrates are made of these 3 elements:
  1. nitrogen, oxygen, and hydrogen
  2. carbon, hydrogen, and oxygen
  3. sulfur, hydrogen, and oxygen
  4. nitrogen, phosphorus, and oxygen
Grade 10 :: Biochemistry by HSimpson74
Which of the following macromolecules holds genetic information?
  1. nucleic acids
  2. carbohydrates
  3. lipids
  4. proteins
Grade 10 :: Biochemistry by HSimpson74
The enzymes found in our bodies are:
  1. lipids
  2. carbohydrates
  3. proteins
  4. nucleic acids
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