Tag: dbt jrf 2019

126. Glycosylation of a monoclonal antibody DOES NOT affect: (1) in vivo stability of antibody (2) mediation of phagocytosis and cytotoxicity of antibody (3) efficacy of monoclonal antibody (4) fluorescence […]

125. In genetically modified Dhara Mustard Hybrid – 11, male sterility is conferred by ………, while ………….. restores fertility. (1) barnase, barstar (2) barstar, barnase (3) bar, barnase (4) barnase, […]

124. A plant that survives a local pathogen infection, often develops increased resistance to a subsequent attack by a mechanism called: (1) Systemic Acquired Resistance (2) DAMP-triggered immunity (3) Hypersensitive […]

123. Disarmed Ti plasmid of Agrobacterium tumefaciens does not result in crown gall phenotype since it does not possess: (1) ipt and iaaH genes (2) Vir D gene (3) Vir […]

122. Which one of the following is a sulphur containing secondary metabolite in mustard plant derived from glucose and an amino acid? (1) Glucosinolates (2) Phytoalexins (3) Ecdysones (4) Cyanogenic […]

120. A researcher wants to ectopically express protein X exclusively in the seeds of Arabidopsis. Which one of the following promoters is most suitable for this purpose? (1) CaMV 35S […]

119. Phytochromes A and B maximally absorb light at wavelength range: (1) 150-300 nm (2) 300-450 nm (3) 450-550 nm (4) 600-750 nm Detailed Explanation: Question:Phytochromes A and B maximally […]

118. TIR1, an auxin receptor, is a: (1) F-box protein (2) MAP kinase (3) His kinase (4) Ser/Thr kinase Detailed Explanation: Question:TIR1, an auxin receptor, is a: ✅ Correct Answer: […]

117. Which one of the following is a Mo-Fe containing protein? (1) Nitrate reductase (2) Nitrogenase (3) Nitrite reductase (4) Leghemoglobin Detailed Explanation: Question:Which one of the following is a […]

116. Plants take up water from the soil predominantly by the apoplastic and symplastic modes of transport. Which one of the following statements is true? (1) Apoplastic transport is ATP-dependent, […]