In a CAM plant undergoing a prolonged drought, which physiological change would be MOST prominent in its leaves during the daytime?
Stomata open, and CO2 is directly fixed by RuBisCO.
Stomata remain closed, and malate is decarboxylated to release CO2.
Stomata partially open, and PEP carboxylase fixes atmospheric CO2.
Stomata remain closed, and the Calvin cycle ceases completely.
Related Questions
Insectivore plants such as pitcher plant, venus fly trap have
Modified leaf
Modified stem
Modified root
All of the above
A modification of leaf is
Phyllode
Phylloclade
Cladode
Corn
Which pair of the following plants represents the condition of modification of stipules into spines?
Euphorbia and Ziziphus
Citrus and Euphorbia
Ziziphus and Bougainvillea
Bougainvillea and Citrus
Leaf base expands into sheath covering the stem partially or wholly. This is the characteristic of
Dicot
Monocot
Pteridophytes
Gymnosperm
The type of leaf in Daucus carota is
Simple
Bipinnate
Tripinnate
Decompound
Which pair of the following plants represents the condition of modification of stipules into spines?
Euphorbia and Ziziphus
Citrus and Euphorbia
Ziziphus and Bougainvillea
Bougainvillea and Citrus
Leaf modification in Eichhornia?
winged petiole
sheathing leaf base
spongy swollen petiole
spines
Alternate phyllotaxy is seen in
Guava
Calotropis
Mustard
Alstonia
Alternate phyllotaxy is found in
China rose
Mustard
Sunflower
All
Pattern of arrangement of leaves on the stem or branches is called
Phyllotaxy
Petiole
Stipule
Both (a) and (b)
