Read the following statements about monocot root. Which amongest them are correct?
I. It shows a polyarch condition of xylem.
II. Central pith is less or absent.
III. The monocot root does not undergo secondary growth.

Read these statements about meristematic tissues. Which amongst them are correct ? I. Apical meristem is found at the root and shoot apices of the plant. II. Intercalary meristem is a secondary meristematic tissue. III. The lateral meristem is found in the matured regions of the root and shoot. IV. Lateral meristematic tissue contributes in the secondary growth of the plant.

Read these statements about meristematic tissues. Which amongst them are correct ? I. Apical meristem is found at the root and shoot apices of the plant. II. Intercalary meristem is a secondary meristematic tissue. III. The lateral meristem is found in the matured regions of the root and shoot. IV. Lateral meristematic tissue contributes in the secondary growth of the plant.

Read the following statements about xylem elements. Which ones are true? I. The gymnosperms lack xylem vessels, instead they possess tracheids. II. Xylem parenchyma is involved in upward movement of water. III. Tyloses occurs in xylem fibers.

Read the following statements about xylem elements. Which ones are true? I. The gymnosperms lack xylem vessels, instead they possess tracheids. II. Xylem parenchyma is involved in upward movement of water. III. Tyloses occurs in xylem fibers.

Which of the following statements is correct about a woody dicot stem which shows extensive secondary growth?

Which of the following statements is correct about a woody dicot stem which shows extensive secondary growth?

Which of the following statements is correct about a woody dicot stem which shows extensive secondary growth?

Consider the quadratic equation nx^(2) +7 sqrt(nx)+n=0 , where n is a positive intergar. Which of the following statements are necessarliy correct ? I. For any n, the roots are distinct. (II) There are infinitely many values of n for which both roots are real. (III) The product of the roots is necessarlity an integer.

Identify the correct pair of statements. I. Pericycle is parenchymatous in dicot root but sclerenchymatous in mature monocot root. II. Pericycle of booth dicot and monocot roots produces lateral roots during secondary growth. III. All cells in endodermis of dicot root are passage cells. IV. Xylem is produced in centripetal manner in roots of fruit bearing plants.