1) If the phloem were stripped from a ring around the trunk of a tree (a process known as girdling) then which of the following would happen?
Group of answer choices
Transpiration would stop immediately
Sugars would immediately stop being produced in the leaves
2) Based on the pressure-flow hypothesis of sugar distribution, which of the following conditions would decrease the rate of translocation?
Group of answer choices
A decrease in photosynthesis
An increase in sucrose production at the source
a decrease in the humidity in the outside air
An increase in phloem unloading at the sink
The roots would eventually starve
The shoot system would get neither water nor minerals
3) Angiosperms and gymnosperms reproduce using seeds. Which of the following statements about seeds is false?
Group of answer choices
The seeds of angiosperms and gymnosperms represent a resting stage, viable for many years.
The seed contains an embryonic stage of a young sporophyte
The seed develops on the parent sporophyte.
The endosperm is haploid
Q1
Ans: Transpiration would stop immediately
Q2
Ans:
A decrease in photosynthesis
An increase in sucrose production at the source
Q3
Ans:
The endosperm is haploid
1) If the phloem were stripped from a ring around the trunk of a tree (a...
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