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Home Q & A Board Biology-Related Homework Help General Biology
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Stevend95 Stevend95
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6 years ago
Which of the following generally causes stomata to open?
 
  a. release of abscisic acid by the roots
  b. a drop in CO2 concentration in leaf air spaces
  c. exposure to red light
  d. a drop in O2 concentration in leaf air spaces
  e. an increase in CO2 concentration in the leaf air spaces

Question 2

In most plants stomata are
 
  a. open during the night and closed during the day.
  b. nearly always open.
  c. closed only when guard cells are not exposed to sunlight.
  d. almost never open.
  e. open during the day and closed during the night.
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Disney6Disney6
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#1
6 years ago
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Stevend95 Author
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#2
6 years ago
Thank you soooo very much, it was really helpful and kind of you to answer my q's
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#3
6 years ago
You're welcome, once again
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