Which of the following tissues are responsible for increase in the girth of the organs in which they are active?

I- Lateral meristems, 
II- Vascular cambium 
III- Cork-cambium 
IV- Shoot apical meristem
V- Root apical meristem 
 

• A

  I, II and IV

• B

  I, II and V

• C

  II, III and IV

• D

  I, II and III