Tag: DBT JRF PYQ-2022

190. Which command is suitable to list out all the directories in the working directory, in linux/unix environment? A. 𝐼𝑠 − 1|𝑔𝑟𝑒𝑝 𝑑 ⋀ B. 𝑔𝑟𝑒𝑝 𝑑 ⋀ |𝐼𝑠 − […]

189. VirA and Virg form a two component signaling system during Agrobacterium infection in plants. In an experiment, VirG was mutated resulting in non-functional VirG protein. Which one of the […]

188. If in a bioreactor, the gas hold up (𝜀) is 0.1 and the average diameter of the air bubbles is 1 mm; then the interfacial area (of the air […]

187. Arrange these soluble cations (𝑁𝑎, 𝐶𝑎,𝐾, 𝑀𝑔) in ascending order of abundance of soluble cations found in saline water bodies: A. 𝑁𝑎 > 𝑀𝑔 > 𝐶𝑎 > 𝐾 B. […]

186. Proteins usually have hydrophobic interiors or cores and hydrophilic exteriors. If a protein comprises hydrophobic patches on its outer surface, what can it mean? A. The protein is unstable […]

185. Identify the correct statement about Fucoidans: A. Fucoidans are iron containing proteins, found in blue green algae. B. Fucoidans are sulphur containing amino acids found in marine derived proteins. […]

184. What may be the simplest and most inexpensive way to know that the product is formed in the reaction given below? A. Mass spectrometry B. Reverse Phase HPLC C. […]

183. Which one of the following lines of unix commands can tell you the number of lines in a file? A. pc – f B. Is – a C. df […]

182. The technique used in animal biotechnology for rapid multiplication and production of animals with a desired genotype is: A. Protoplast fusion and embryo transfer B. Hybrid selection and embryo […]

181. For monoclonal antibody production, mammalian expression systems are preferred over bacterial expression systems, primarily because: A. mammalian cultures have better productivity B. mammalian cultures produce extra-cellular product simplifying the […]