The property of clay soil that prevents it from supporting thick vegetation is its

Which of the following constitutes the main internal tissue of a leaf?

Four cells with osmotic potential equivalent to that of 3% salt solution were immersed respectively in solutions
of different concentrations labeled as follows: I = 4% salt solution; II = 6% salt solution III = 1% salt solution;
IV = 10% salt solution; V = 5% salt solution. Which of the solutions will cause an increase in osmotic
pressure within the cell?

Which of the following statements is not true of osmotic process?

Which of the following is the correct route for the movement of materials through the kidney?