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Multiple Choice Quiz on Transpiration

This quiz is designed to assess your basic knowledge in ‘transpiration ’. Questions come under ‘easy’ category. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Transpiration

1. Which of the following is used to determine the rate of transpiration in plants?
Potometer
Porometer
Auxanometer
Barometer

2. Of all the environmental factors which is the most influential in determining the rate of transpiration?
light
relative humidity of atmosphere
temperature
water

3. Guttation is mainly due to
root pressure
transpiation
imbibition
osmosis

4. Wilting occurs due to excessive
guttation
absorption
transpiration
imbibition

5. Which of the following are used as antitranspirants?
Phenyl Mercuric Acetate
Succinic acid
Abscisic acid
Indole acetic acid

6. Transpiration helps in
Ascent of sap
Mass flow of mineral along with water
Active absorption of water
Temperature regulation in plants

7. Rate of transpiration increases with an increase in
Carbon dioxide concentration
root shoot ratio
atmospheric humidity
temperature

8. At constant temperature, the rate of transpiration will be higher at
1 km below sea level
1 km above sea level
1.5 km above sea leavel
None of these

9. Phenyl Mercuric acetate(PMA)result in
reduced photosynthesis
reduced transpiration
reduced imbibition
reduced respiration

10. Transpiration is least in
good soil moisture
high wind velocity
dry environment
high atmospheric humidity

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