problem1) Answer all the problems:

i) What is wood? Is coconut shell a wood, describe.

ii) Describe root stock and its importance.

iii) How would you distinguish between a marmot N a dicot stem section under the microscope.

iv) What do you mean by lylosis? How is occurs.

v) What is a quiescent centre and its importance?

problem2) What are secondary tissues? Give a short account of different types of secondary tissues found in plants.

problem3) Discuss  briefly s secondary growth in monoest stems.

problem4) Describe  briefly the process of abscission in plants.