Quiz: Test Your Knowledge About Plant Water Relations

Questions : 8 | Total Attempts: 562 | Recent Updated: 31-Jan-2023
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Rainfall and melting of snow are the main sources of water to the soil. The force by which soil holds the water is called water potential. With the increase in the negative values of water potential, the water availability to plants gets reduced. Everyone knows that water is an essential component for the survival of the plant because photosynthesis water is necessary because it provides a medium for minerals and salt to enter the plant. So take this quiz on plant water relations.

Questions Excerpt


1. The force by which soil holds the water is called.........

A. Water potential

B. Field capacity

C. Wilting capacity

D. Wilting point

2. The upper limit of water availability to the plant is called.....

A. Water potential

B. Wilting point

C. Field capacity

D. None of these

3. The lower limit of water availability to the plant is called......

A. Global cycle

B. Field capacity

C. Water potential

D. Wilting point

4. 95% of Earth's water is bound to.......... And........... Rocks.

A. Troposphere and sedimentary rocks

B. Stratosphere and sedimentary rocks

C. Lithosphere and sedimentary rocks

D. Mesosphere and sedimentary rocks

5. How many ways of movement of the water cycle?

A. 2

B. 3

C. 4

D. 5

6. Which cycle is the movement of water between the aquatic system, air, and land?

A. Global cycle

B. Hydrolytic cycle

C. Biological cycle

D. All of these

7. What is the SI unit of water potential?

A. Joule

B. Kilometre

C. Pascal

D. Megapascal

8. The process by which absorbs water drains downwards is called.....

A. Precolation

B. Sublimation

C. Both of these

D. None of these

 

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