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Question : Gibberellins were named after a fungus known as
A. Gibberella acuminata
B. Gibberella africana
C. Gibberella fujikuroi
D. Gibberella gaditijirrii
Question : This bioassay is used to test the presence of gibberellins
A. dwarf pea elongation technique
B. chlorophyll preservation test
C. excised radish cotyledon enlargement test
D. rice seedling growth inhibition test
Question : Gibberellins found in the aleurone layer of barley increases the transcription of
A. lipase and cellulase
B. protease and amylase
C. protease and cellulase
D. lipase and protease
Question : The hormone involved in the regulation of florigen synthesis is
A. zeatin
B. gibberellin
C. ethylene
D. cytokinin
Question : Nullification of genetic dwarfism is possible by spraying with
A. zeatin
B. auxin
C. gibberellin
D. cytokinin
Question : The earliest phases of synthesis of gibberellin occur in
A. plastids
B. mitochondria
C. peroxisome
D. cytoplasm
Question : The gibberellin involved in flowering is
A. GA1
B. GA3
C. GA4
D. GA9
Question : Generally, translocation of gibberellins is non-polar occurring through
A. capillary rise
B. phloem
C. xylem
D. both xylem and phloem
Question : Elongation or lengthening of rosette plants is obtained by treating it with
A. cytokinin
B. gibberellin
C. zeatin
D. auxin
Question : This is not a function of gibberellins
A. promote dormancy
B. promote cell elongation
C. promote parthenocarpic fruit formation
D. promote elongation of internodes