Tag: dbt jrf 2018

131. Internal coordinates for representation of the three-dimensional structure of a protein consists of: 1. bond lengths, bond angles and dihedral angles 2. Cartesian coordinates X, Y and Z for […]

130. A bioremediation mesocosm experiment has been carried out on a plot with 250 ppm aromatic molecules as contaminants. After 15 days the level of aromatic molecules came down to […]

129. A mixture of food waste on inorganic analysis was found to contain Cl- , SO4 – , NO3 – , NH4 + ion. Successful anaerobic digestion by a mixed […]

128. In an air sample, 12% particulate matter is of around 25 nm size, 35% around 10 nm, 30% around 5 nm and remaining are 2.5 nm or smaller. The […]

127. A microbial community has grown on starch anaerobically and it produced a mixture of metabolites with the following composition: glucose, disaccharides, acetate, butyric acid, butanol and carbon dioxide. This […]

126. A wastewater sample has COD of 1 g/L of which 80% is the BOD. During partial aerobic oxidation only 200 mg of COD was converted to CO2 and H2O. […]

125. Gynogenesis in fishes is achieved by: 1. Heat shock treatment at 42°C for 5 min after normal fertilization. 2. Cold shock treatment at 5°C for 10 min after normal […]

124. Dead zones in oceans refer to: 1. Mariana trench, the deepest part of ocean where living organisms have not been found. 2. hydrothermal vents that have extreme temperatures. 3. […]

123. From the table below, match the pellagic zones with their respective depths and choose the correct option: 1. I-x; II-w; III-y; IV-z 2. I-w; II-x; III-z; IV-y 3. I-z; […]

122. Which one of the following is used for culturing Pernaviridis? 1. Raft culture with hanging ropes. 2. Offshore cages and Pens. 3. Irrigated or flow through tanks. 4. Multitrophicrecirculatory […]