In the dark reaction of photosynthesis, carboxylation occurs in the presence of…
a) ligase
b) carboxylase
c) rubisco
d) deaminase
Explanation: Ribulose bisphosphate carboxylase/oxygenase (Rubisco) is a key enzyme in photosynthesis catalyzing corbondioxide fixation.
Which of the following process will occur in plant if the concentration CO2 is high and rubisco enzymes combines with it?
a) photosynthesis
b) photorespiration
c) aerobic respiration
d) anaerobic respiration
Which of the following process will occur in plant if the concentration O2 is high and rubisco enzymes combines with it?
a) photosynthesis
b) photorespiration
c) aerobic respiration
d) anaerobic respiration
Rubisco enzyme can act as…….
a) carboxylase
b) oxigenase
c) reductase
d) both a and b
Explanation: corboxylase during photosynthesis and oxygenase during photorespiration
During photorespiration, oxygen combines with RuBP (present in stroma of chloroplast) to produce…….
a) glycolate
b) glysine
c) serine
d) citrate
During photorespiration, glycolate is converted into…..….in the peroxisome.
a) valine
b) glysine
c) serine
d) citrate
Explanation: glysine is the simplest amino acid
