Opening and Closing of Stomata MCQs Quiz Online PDF Download
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"During the day, the plants keep their" Multiple Choice Questions (MCQ) on gaseous exchange process with choices stomata opens, stomata closed, phloem blocked, and xylem blocked for online teaching certification programs. Free biology student portal for online learning transport quiz questions for online school and college.
MCQs on Opening and Closing of Stomata PDF Download
MCQ: During the day, the plants keep their
- stomata opens
- stomata closed
- phloem blocked
- xylem blocked
A
MCQ: The inner side of guard cells is
- rough
- straight
- concave
- convex
C
MCQ: The outer side of guard cells is
- concave
- convex
- rough
- none of above
B
MCQ: The number of guard cells of the stoma is
- ten
- two
- four
- eight
B
MCQ: The ions that flow back to guard cells, from epidermal cells at the end of the day are
- potassium ions
- magnesium ions
- phosphorus ions
- Sulphur ions
A