Biology Forums - Study Force

Deserts are not defined on the basis of temperature. Indicate whether the statement is true or false.

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Q. 2 -

Which of the following is NOT an appropriate measure for reversing desertification?
  a. developing drip-irrigation systems
  b. keeping grazing stock moving
  c. planting drought-tolerant trees
  d. establishing wind breaks
  e. removing boulders from sand dunes

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Q. 3 -

Which of the following is not responsible for the slow recovery of ecosystems from desertification?
  a. slight rainfall
  b. low species diversity
  c. little soil bacterial activity
  d. slow plant growth rates
  e. frequent flash floods

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Q. 4 -

Read carefully through the following sentence and decide which of the options is correct. Analysis of
  sea surface temperatures in the Indian Ocean indicates that changes in land-use practices in the Sahel
  of Africa were sufficient to cause desertification.
  a. The word temperatures should be replaced by salinities.
  b. The word Indian should be replaced by Atlantic.
  c. The word land-use should be replaced by farming.
  d. The word sufficient should be replaced by insufficient.
  e. The word desertification should be replaced by drought.

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So smart