TLS Online TPP Program

#Question id: 11740


Some given characteristics of the two types of sieve elements in seed plants such as Sieve tube elements and Sieve cells. Find out the  true characteristics of sieve tube elements from the given statements;

i) Found in angiosperms

ii) Sieve plate pores are open channels

iii) Albuminous cells sometimes function as companion cells

iv) P-protein is present in all eudicots and many monocots

v) There are no sieve plates; all sieve areas are similar

#Unit 6. System Physiology – Plant
  1. i, iii & iv             
  2. ii, iii & v
  3. i, ii & v           
  4. i, ii & iv