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The outer layer of a primary shoot is the epidermis, which arises from…….
a) protoderm             
b) ground meristem
c) procambium           
d) parenchyma

a

Which of the following is/are arise from procambium?
a) primary phloem      
b) primary xylem
c) vascular cambium
d) all of these

d

Which of the following is/are arise from ground meristem?
a) primary phloem      
b) shoot cortex
c) vascular cambium
d) all of these

b

Lateral meristems are the cylinders of dividing cells found in ……..
a) gymnosperms         
b) herbaceous plants
c) angiosperms           
d) both a and c

d

Which of the following are involve in the secondary growth or increase in thickness of the plants?
a) apical meristems    
b) ground meristem
c) lateral meristems
d) both a and c

c

Explanation: apical meristems are involved in the elongation of plant called primary growth



Which of the following is responsible for wood formation plants?
a) apical meristems    
b) intercalary
c) lateral meristems
d) both a and c

c

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