#Question id: 11047
#Unit 6. System Physiology – Plant
As plants absorb water from the soil, they deplete the soil of water near the surface of the roots, This depletion due to
#Question id: 11048
#Unit 6. System Physiology – Plant
In vascular plants, phloem is the living tissue that transports the soluble organic compound made during photosynthesis in the form of sugar, The phloem tissue is made up of cells called phloem elements. Which of the following given phloem elements are directly involved in translocation?
#Question id: 11049
#Unit 6. System Physiology – Plant
Match the CORRECT combination of the phloem elements
with its function.
PHLOEM ELEMENTS
FUNCTIONS
P) sieve tube elements i) for protection and strengthening of the tissue
Q) sieve cells ii) store and release
food molecules
R) companion cells iii) food translocation in angiosperm
S) Phloem parenchyma cells iv) latex containing cells
T)
Phloem fibers and sclereids v) help in flow of solute
and show high, metabolic activity
U) laticifers vi) food translocation on gymnosperm
#Question id: 11050
#Unit 6. System Physiology – Plant
Three dimensional reconstructions of Arabidopsis sieve plates using a staining technique that can be used to image entire plant organs and Open sieve pores are visible as well as callose plug are also visible which technique used to analyze
#Question id: 11740
#Unit 6. System Physiology – Plant
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
#Question id: 11741
#Unit 6. System Physiology – Plant
phloem transport indicating the importance of long distance transport in plants, the experiments demonstrated that removal of a ring of bark around the trunk of a tree, which removes the phloem. What will be its effect?