TOEFL iTP | Reading | Relationships Between Shoots & Roots

  1. B
  2. D
  3. C
  4. C
  5. A
  6. D
  7. C
  1. The passage generally discusses an experiment in which plant roots are grown in isolation — in other words, without the tops of the plants.
  2. The reference is to the roots of plants.
  3. According to the passage, ATP is a “high energy compound which drives the biochemical reactions.”
  4. The word intact means “whole”
  5. The phrase “comes in hand” means useful
  6. The fact that roots provide organic nitrogen compounds is useful for the growth of buds in the early spring when leaves are not yet functioning”
  7. The passage discusses an experiment involving plant roots and the significance of that experiment.

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