Study the diagram and answer the question:
Bottle C should be covered with black cloth in order to obtain accurate results. Why?

Dear student,      
​Please find below the solution to the asked query  


Bottle C should be covered with black cloth in order to obtain accurate results because:
  • It makes the seeds more close to the germination medium and provides favourable environment for germination.
  • The volume of air will not alter the results.
  • It protects seeds from drying out or from blowing away.
  • The seeds are protected from birds and mice.
Hope this information will clear your doubts about the topic.   
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