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TLS Online TPP Program
#Question id: 29587
#Unit 6. System Physiology – Plant
Following are given stages of gibberellin biosynthetic pathway;
a) Geranylgeranyl diphosphate (GGPP) is converted to ent-kaurene via copalyl diphosphate (CPP) in endoplasmic reticulum
b) In the endoplasmic reticulum, conversion of ent-kaurene into GA12 or GA53 depending on whether the GA is hydroxylated at carbon 13
c) the conversion of GA12 or GA53 into other GAs in cytosol proceeds with a series of oxidations at carbon 20
d) GA20 is then oxidized to the active gibberellin, GA1, by a 3β-hydroxylation reaction
Which of the following is the correct statements of GA biosynthesis?
TLS Online TPP Program
#Question id: 29588
#Unit 6. System Physiology – Plant
The induction of GA-MYB and α-amylase mRNA by GA3, the production of GA-MYB and α-amylase mRNA has shown in graph, which of the following is the correct representation relation between these two mRNA
TLS Online TPP Program
#Question id: 29589
#Unit 6. System Physiology – Plant
Which one of the following reactions takes place during the reduction phase of the Calvin- Benson cycle?
TLS Online TPP Program
#Question id: 30045
#Unit 6. System Physiology – Plant
In Which of the following enzymes Light regulates the catalytic activity of four enzymes of the Calvin–Benson cycle directly via the ferredoxin– thioredoxin system?
TLS Online TPP Program
#Question id: 30046
#Unit 6. System Physiology – Plant
The oxygenase activity of rubisco produces one molecule each of 3-phosphoglycerate and 2-phosphoglycolate due to this activity a loss of carbon fixed by the Calvin–Benson cycle and yields 2-phosphoglycolate which is a inhibitor of two chloroplast enzymes known as;
TLS Online TPP Program
#Question id: 30048
#Unit 5. Developmental Biology
Which of the following follows the phenomena of harmonious equipotential system?