TLS Online TPP Program

#Question id: 10903


Materials translocated in the phloem, such as sucrose, amino acids, hormones and some inorganic ions. Some inorganic solutes that move in the phloem called mobile elements. In contrast, some are relatively immobile in the phloem.

A) Immobile elements

B) Mobile elements

i) potassium, magnesium, phosphate, and chloride

ii) caesium, zinc, magnesium and iron

iii) nitrate, calcium, sulfur, and iron

iv) potassium, calcium, cobalt and caesium

Which of the following are the correct match of mobile and immobile elements in the phloem?

#I Life Science/ Life Sciences Group – I-V
  1. A-ii & B-iii         
  2. A-iii & B-i
  3. A-iii & B-iv            
  4. A-iv & B-i