#Question id: 10172
#Unit 6. System Physiology – Plant
leaves continuously adjust the orientation of their laminae such that they remain perpendicular to the sun’s ray and maximize light absorption by
#Question id: 10173
#Unit 6. System Physiology – Plant
Some solar-tracking plants can also move their leaves so that they avoid full exposure to sunlight, thus minimizing heating and water loss. These sun-avoiding leaves are called
#Question id: 10174
#Unit 6. System Physiology – Plant
A developmental process in which leaves express a set of biochemical and morphological adjustments that are suited to the particular environment in which the leaves are exposed known as
#Question id: 10175
#Unit 6. System Physiology – Plant
if you take a plant that developed indoors and transfer it outdoors; after some time, if it is the right type of plant what will happened?
#Question id: 10176
#Unit 6. System Physiology – Plant
Leaves acclimate to sun and shade environments, Sun and shade leaves have contrasting biochemical and morphological characteristics such as
a.) Shade leaves increase light capture by having more total chlorophyll per reaction center, a higher ratio of chlorophyll b to chlorophyll a, and usually thinner laminae than sun leaves
b.) Sun leaves decrease CO2 assimilation by having less rubisco and can dissipate excess light energy and Morphologically they have thinner leaves and a larger palisade layer than shade leaves
c.) Shade leaves decrease light capture by having low total chlorophyll per reaction center, a higher ratio of chlorophyll b to chlorophyll a, and usually thicker laminae than sun leaves
d.) Sun leaves increase CO2 assimilation by having more rubisco and can dissipate excess light energy and Morphologically they have thicker leaves and a larger palisade layer than shade leaves
Which of the following combination from the above statements are TRUE?
#Question id: 10177
#Unit 6. System Physiology – Plant
Shady habitats proportionally more abundant far-red light, which is absorbed primarily by photosystem I (PSI) at P700nm, for better balance the flow of energy through PSII and PSI so, what will be the changes appear to enhance light absorption and energy transfer in shady environments?
a.) some shade plants is
to produce a higher ratio of PSII to PSI reaction centers, compared with that
found in sun plants
b.) photosystem I (PSI)
for enhancing light absorption and energy transfer in shady plants increases
their reduction potential
c.) some shade plants add
more antenna chlorophyll to PSII to increase absorption by this photosystem
d.) photosystem I (PSI)
for enhancing light absorption and energy transfer in shady plants decreases
their reduction potential
Which of the following above combination is TRUE?