IGCSE O Level Biology Online Tests
Stomata and Functions MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Guard cells of stoma are; "Stomata and Functions" App Download [Free] with answers: irregular in shape, convex in shape, long and cylindrical in shape, and kidney-shaped to study online IGCSE courses. Practice Stomata and Functions Quiz Questions, download Google eBook (Free Sample) for colleges that offer online degrees.
Stomata and Functions Questions and Answers PDF Download
Guard cells of stoma are
- irregular in shape
- convex in shape
- long and cylindrical in shape
- kidney-shaped
Leaf may absorb maximum light due to
- strong petiole
- strong turgor pressure in xylem
- strong turgor pressure in mesophyll cells
- closed stomata
Stomata guard cells perform all functions but
- producing sugars
- protecting the inner regions of leaf
- regulating the amount of water lost
- chloroplast storage
In plants closed stomata reduce due to
- rate of transpiration only
- amount of carbon dioxide entering in the leaf only
- the rate of respiration
- rate of transpiration and amount of carbon dioxide entering in leaf
Plant wilts when the leaf
- looses its central nucleus
- looses its central vacuoles
- looses its turgor pressure
- exposed to strong wind
IGCSE O Level Biology Practice Tests
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