What is the destiny of primary xylem in a dicot root showing extensive secondary growth?

1. It is retained in the centre of the axis

2 It gets crushed

3. May or may not get crushed

4. It gets surrounded by primary phloem

Anatomically fairly old root is distinguished from dicotyledonous stem by

1. Position of Protoxylem

2. Absence of secondary xylem

3. Absence of secondary phloem

4. Presence of cortex

During the formation of leaves and elongation of stem, some cells left behind from shoot apical meristem constitute _____________

. Permanent plant tissue having all cells similar in structure and function are called

Permanent plant tissue having many different type of cells are called

Complex tissue in plants have

Plant tissues have been divided into meristematic and permanent tissue based on

1. differentiation capability

2. division capability

3. symmetry

4. plane of division

Primary meristem constitutes

1. apical meristem

2. intercalary meristem

4. lateral meristem

4. Both 1 and 2

Which of the following meristem is present at the tips of shoot and root

1. intercalary meristem

2. apical meristem

3. lateral meristem

4. All  of the above

Which of the following true for apical meristem

1. responsible for primary growth

2. forms primary permanent tissue

3.  primary meristem

4. All of the above