A plant exhibiting Kranz anatomy experiences a sudden drop in atmospheric CO2 levels. Which of the following is the MOST LIKELY immediate consequence on its photosynthetic efficiency?
Reduced initial fixation of CO2 by PEP carboxylase in mesophyll cells.
Increased oxygenation of RuBisCO in bundle sheath cells.
Immediate cessation of the Calvin cycle in bundle sheath cells.
Enhanced activity of photorespiration in mesophyll cells.
Related Questions
Multicostate parallel type of venation is found in the leaves of
Grass and palms
Banana and Canna
Castor and China rose
Mango and peepal
Some feature of plant leaves are
Hair on the lower surface and waxy cuticle
Hair on the upper surface and no cuticle
Epidermis without stomata
Presence of endodermis and casparian strips
Leaf blade is spinous in case of
Nerium
Ziziphus
Argemone
Cannabis
The leaves of Smilax and Colocasia show
Parallel venation
Reticulate venation
Forward venation
Lateral venation
A phyllode is a modified
petiole
leaf blade
stipule
stem
Leaf having single or undivided lamina is called
Compound leaf
Simple leaf
Either (a) or (b)
General leaf
Pattern of arrangement of leaves on the stem or branches is called
Phyllotaxy
Petiole
Stipule
Both (a) and (b)
A modification of leaf is
Phyllode
Phylloclade
Cladode
Corn
Which of the following is not an insectivorous plant?
Drosera
Nepenthes
Monotropa
Utricularia
The tissue in a leaf where most photosynthesis occurs is called:
Epidermis
Xylem
Phloem
Mesophyll
