Tag: dbt jrf 2018

166. Any DNA fragment can be used as a STS marker provided it fulfills one of the following conditions: 1. Multilocus nature 2. Single copy 3. Present in repeat regions […]

165. In CLAVATA (clv) mutant of Arabidopsis, Shoot Apical Meristem (SAM) size and expression of WUSCHEL (WUS) is increased. SAM size is reduced in wus mutant plants. Choose the correct […]

164. Which one of the following statements is correct during gibberellic acid (GA) signal transduction in plants? 1. DELLA protein stimulates GA response 2. GID1 does not make complex with […]

163. The bacterial flagellin activates a typical MAPK cascade consisting of MEKK1-MKK4-MPK6 leading to the activation of ACS6 enzyme involved in ethylene biosynthesis in plants. Which one of the following […]

Sucrose-phosphate synthase (SPS) is inhibited by SPS-kinase and activated by SPS-phosphatase. It is known that a high ratio of Glucose-6-phosphate to inorganic phosphate maintains SPS in its active form. Which […]

161. The reduction phase of Calvin-Benson cycle in Arabidopsis is inhibited. This can be attributed to the inactivation of: 1. Aldolase 2. Triose phosphate isomerase 3. Fructose-1,6-bisphosphatase 4. 3-Phosphoglycerate kinase […]

160. Upon application of the inhibitor, DBMIB (Dibromothymoquinone) which one of the following events in the chloroplast electron transport chain will NOT take place? 1. Reduction of reaction centre QA […]

159. A variety “X” is a donor for resistance to blast, but it has an undesirable gene for lodging susceptibility that is tightly linked to the blast resistant gene. The […]

158. A multiline variety is: 1. a mixture of isogenic lines that usually confer resistance to a specific disease 2. a single genotype with stacked multiple genes conferring resistance to […]

156. Maize transgenic for bacterial CspA (a RNA chaperone) imparts tolerance to: Answers : 1. Water stress 2. High temperature stress 3. Salt stress 4. Nutrient stress Question 157 : […]