Multiple Choice QuestionsWhich one of the following is wrong in relation to photorespiration?
It is a characteristic of C4 -plants
It is a characteristic of C3 -plants
It occurs in chloroplasts
It occurs in daytime only
Stomata of CAM plants
open during the night and close during the day
never open
are always open
open during the day and close at night
Boron in green plants assists in
photosynthesis
sugar transport
activation of enzymes
acting as enzyme cofactor
Who proved that oxygen evolved in photosynthesis comes from water?
Mayer
Calvin
Ruben, Hassid and Kamen
Blackman
The specific character of C4 plants is
bulliform cells
Kranz anatomy
parallel venation
isobilateral leaf
In CAM plants, CO2 acceptor is
RuBP
PEP
OAA
PGA
B.
PEP
In CAM or Crassulacean Acid Metabolism plants, spatial separation of initial PEP carboxylase fixation and final Rubisco fixation of CO2, occur in the same cell, but at different times i.e. night and day, eg, Opuntia, pineapple, Vanilla.
PEP (Phosphoenol Pyruvic Acid) is the first acceptor of CO2 in CAM plants like C4 plants.
Which one of the following contain agranal chloroplasts?
C3 plants
Succulants
C4 plants
Hydrophytes
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