Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Plant height is control by 3 QTL, what is the probability of plant with 25 inch height in F2 generation?

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#Question id: 12518

#Unit 6. System Physiology – Plant

ABA inactivation by oxidation and by the conjugation process such as

a) ABA inactivation by oxidation with monosaccharides ABA-β-D-glucose ester

b) ABA inactivation by conjugation with monosaccharides ABA-β-D-glucose ester

c) ABA inactivation by oxidation into Phaseic acid

d) ABA inactivation by conjugation  by oxidation into Phaseic acid

Which of the following combination from the given above statements about conjugation and oxidation process

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#Question id: 12520

#Unit 6. System Physiology – Plant

During the biosynthesis of precursor All-trans-β-carotene is isomerized to 9-cis-β-carotene by ____A_____While 9-cis-β-Carotene is cleaved by carotenoid cleavage_____B_______ to produce_____C______.

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#Question id: 12521

#Unit 6. System Physiology – Plant

Which of the following enzyme of ABA biosynthesis function as a rate limiting enzyme?

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#Question id: 12522

#Unit 6. System Physiology – Plant

The receptor of ABA such as PYR/PYL/RCAR are the member of the ___

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#Question id: 12526

#Unit 6. System Physiology – Plant

ABA is transported by both the xylem and the phloem, but it is normally much more abundant in ___

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#Question id: 12527

#Unit 6. System Physiology – Plant

Which of the following is the incorrect prediction about ABA translocation in vascular tissue by both the xylem and the phloem?