Tag: dbt jrf 2019

115. Fusicoccin promotes cotyledon growth by promoting: (1) cell division (2)cell wall biosynthesis (3) tonoplast acidification (4) cell wall acidification Detailed Explanation: Question:Fusicoccin promotes cotyledon growth by promoting: ✅ Correct […]

114. Light compensation point is the irradiance at which: (1) net photosynthetic photon flux is zero. (2) there is no photosynthesis. (3) net CO2 exchange is zero. (4) quantum yield […]

113. ‘Dichogamy’ refers to a phenomenon in which anther dehiscence and stigma receptivity are: (1) temporally separated (2) spatially separated (3) temporally coinciding (4) spatially coinciding Detailed Explanation: Question:‘Dichogamy’ refers […]

112. Which one of the following plants exhibits both C3 and C4 pathways? (1) Zea mays (2) Oryzasativa (3) Mesembryanthemumcrystallinum (4) Arabidopsis thaliana Detailed Explanation: Question:Which one of the following […]

111. The term ‘co-suppression’ was coined by Richard Jorgensen to explain: (1) Patchy flower colour in petunia. (2) Resistance to viral infection in tobacco. (3) Production of white flowers in […]

110. The oxidative photosynthetic carbon cycle salvages: (1) C3 carbon (2) C4 carbon (3)CO2 (4) C2 carbon Detailed Explanation: Question:The oxidative photosynthetic carbon cycle salvages: ✅ Correct Answer: (4) C2 […]

108. Opaque2 gene in maize and Wx gene in rice affects the …………. and ……… content, respectively. (1) protein quality, amylose (2) oil, wax (3)protein quality, wax (4)oil, starch Detailed […]

107. Which one of the following sets is an example of specific sequence-based PCR analysis in marker assisted selection? (1) RAPD, DAF, AP-PCR P1 P2 F1 (2) SCAR, SSR, COS […]

104. The Bt protein employed for raising insect-resistant plants is not toxic to humans because: (1) it is inactive under acidic pH (2) it is inactive under basic pH (3) […]