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- 1. Multiple Choice
Opening of stomata is due to
Turgidity of guard cells
Size of guard cells
Number of guard cells
Amount of carbon dioxide in the atmosphere
- 2. Multiple Choice
Loss of water as droplets from hydathodes is called
Transpiration
Bleeding
Guttataion
Evaporation
- 3. Multiple Choice
The most important factor affecting transpiration
Light
Temperature
Wind
Atmospheric humidity
- 4. Multiple Choice
Which chemical is used to detect transpiration comparatively
Calcium carbonate
Cobalt chloride
Cobalt carbonate
Mercuric acetate
- 5. Multiple Choice
Which one of the following reduces the rate of transpiration
Increase in wind velocity
Rise in temperature
Increase in water uptake by plants
Decrease in light intensity
- 6. Multiple Choice
Which type of transpiration is more common
Cuticular
Stomatal
Lenticular
Bark transpiration
- 7. Multiple Choice
Forest contribut in bringing rain by
Bleeding
Transpiration
Guttataion
All of the above
- 8. Multiple Choice
The kidney shaped cell present on stomata
Bean cell
Guard cell
Stroma
Hydathodes
- 9. Multiple Choice
The thickness of the cuticle ___________ transpiration
Increases
Decreases
Remain same
None of these
- 10. Multiple Choice
Photo meter works on the principle of
Amount of water absorbed equals the amount transpired
Osmotic pressure
Root pressure
Potential difference between the tip of the tube and the plant
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