Growth and Development in Plant:
Growth is defined as increase………
a) in number of cells
b) in size of cells
c) in age of cells
d) both a and b
How many phases of growth can be identified in growing root and stem?
a) two
b) three
c) four
d) five
Explanation: 1. Phase of cell division,
2. Phase of cell elongation and 3. Phase of cell maturation and differentiation
Which of the following are the undifferentiated, perpetually juvenile plant tissues which are capable of dividing mitotically producing plant growth?
a) parenchyma
b) collenchyma
c) meristems
d) vascular
Meritematic tissues are of …..types.
a) two
b) three
c) four
d) five
Explanation: 1. Apical and 2. Lateral meristem
Which of the following are given rise by apical meristems?
a) protoderm
b) ground meristem
c) procambium
d) all of these
