Opening and Closing of Stomata MCQs Quiz Online PDF Download eBook
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MCQs on Opening and Closing of Stomata PDF Download eBook
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