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Quiz on Plant Transport

This multiple choice quiz on plant transport is designed to assess your basic knowledge in ‘plant transport’.Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.Plant transport mcq

1. Phloem is associated with transport of
water
minerals
photosynthates
all of these
2. Water transport in plants occur through
collenchyma
parenchyma
phloem
xylem
3. Translocation of organic solutes occur in
downward movement
upward movement
radial movement
all of these
4. According to Transpiration pull theory, which are the major factors responsible for ascent of sap through xylem?
turgor pressure and osmosis
cohesion, adhesion and transpiration pull
Transpiration pull and root pressure
cohesion, adhesion and osmosis
5. All the following are objections against root pressure theory of ascent of sap except
guttation and bleeding
ascent of sap in unrooted plants
Absence of root pressure in conifer trees
low absorption in detopped plants than plants with leaves on top
6. The movement of water through cell wall and inter cellular spaces during radial transport from root hair to root xylem through root cortex is called
vacoular pathway
ascent of sap
apoplastic pathway
symplastic pathway
7. Movement of solutes through phloem is always from
sugar sink to source
sugar source to sink
leaf to phloem
leaf to xylem through sieve tubes
8. Which is the most abundant solute in phloem sap?
sucrose
glucose
starch
amylose
9. The transfer of sugar from leaf mesophyll to sieve elements of phloem is called
osmosis
phloem loading
phloem unloading
sink loading
10. According to Pressure flow hypothesis, the major force responsible for mass transfer of solute from source to sink is
diffusion
hydrostatic pressure gradient
water potential in source
water potential in sink
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