Tag: dbt jrf 2019

156. Zinc deficiency among children primarily results in the atrophy of: (1) Thymus (2) Spleen (3) Lymph nodes (4) Peyer’s patches itle: Zinc Deficiency in Children: The Impact on the […]

155. Antibiotic bleomycin is secreted by: (1) Bacillus sp. (2) Aspergillus sp. (3) Streptomyces sp. (4) Acremonium sp. Bleomycin: The Antibiotic Secreted by Acremonium sp. Bleomycin is a potent antibiotic […]

154. Which one of the following statements is INCORRECT with regard to DNA vaccines? (1) No risk of infection (2) Proteins produced are likely to be correctly post translationally modified […]

153. The first humanized monoclonal antibody approved by the US-FDA for targeted treatment of breast cancer was: (1) Trastuzumab (2) Paliviuzmab (3) Gemtuzumab (4) Natalizumab The First Humanized Monoclonal Antibody […]

152. The organism in which the luciferase gene is termed as “lux” gene is: (1) Algae 2) Insects (3) Bacteria (4) Jelly fishes Detailed Explanation: Question:The organism in which the […]

151. The ion transport that will be the most affected following mutation in Cystic fibrosis transmembrane conductance regulator (CFTR) gene is: (1) Sodium (2) Potassium (3) Chloride (4) Calcium Detailed […]

150. One microgram of a pure enzyme (MW: 92,000) catalyzed a reaction at a rate of 0.50 µmoles/min under optimum conditions. The specific activity of the enzyme [(µmoles/min)/mg protein] is: […]

149. Match the physical/chemical property with the corresponding unit operations used for separation: a) Density difference (i) Distillation b) Partition coefficient (ii) Filtration c) Relative volatility (iii)Liquid-liquid extraction d) Particle […]

148. The major drawback in using wild type S. cerevisiae for producing ethanol from biomass hydrolysate is: (1) Low biomass yield of hexose sugars (2) Presence of solid residues (3) […]

147. The least used heat transfer-design in bioreactor is: (1) Jacket (2) Limpet coil (3) Internal cooling coil (4) External heat exchanger Detailed Explanation: Question:The least used heat transfer design […]