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11 Questions

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Plant Water Relations Quiz

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Questions and Answers

What is the quantity of water in dormant seeds?

10% (correct)

60%

40%

80%

Which property of water is due to its high electro negativity of oxygen compared to hydrogen?

High specific heat

High thermal conductivity

High dipole moment (correct)

Universal solvent

What is a characteristic of elements more electropositive than Hydrogen?

They have low boiling points

They have low specific heat

They bind to hydroxides (correct)

They are transparent

What is a general property of water related to its ability to dissolve macromolecular components like DNA and proteins?

Universal solvent Signup and view all the answers

What makes the germination of seeds possible?

Sufficient moisture Signup and view all the answers

What is the primary function of root hairs?

To absorb water and minerals from the soil Signup and view all the answers

What is the significance of water in plant cells?

It maintains the osmotic pressure and facilitates nutrient transport Signup and view all the answers

Which of the following statements about water content in plants is true?

Leaves typically have a higher water content than stems Signup and view all the answers

What is the primary role of water in biochemical reactions in plants?

It serves as a solvent for enzymes and other molecules Signup and view all the answers

Which of the following is not a consequence of water absorption in plants?

Photosynthesis Signup and view all the answers

What percentage of the protoplasm in plants is typically composed of water?

75% Signup and view all the answers