#Question id: 10923
#Unit 6. System Physiology – Plant
In the modification of translocation pathways, Interference with a translocation pathway by wounding or pruning can alter the patterns established by proximity and vascular connections. In the absence of direct connections between source and sink, vascular interconnections, called
#Question id: 10924
#Unit 6. System Physiology – Plant
Due to damage exudation of sap from cut petioles or stems takes place they can be collected. However, quantities of collected sap are small, and the method is technically difficult. A preferable approach for collecting exuded sap is to use an
#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