Biotechnology

Structured William’s model: P. can describe the changes in intracellular components of the cell during growth Q. can not describe the death phase of the cells R. can describe the variation of size of cells in the different phases of growth S. can not describe the lag period of growth Options: (A) P, Q and … Read more

What would be the sucrose concentration in the input feed for the output to be 45 Kg biomass h^-1? Options: (A) 3.225 Kg m^-3 (B) 4.425 Kg m^-3 (C) 5.115 Kg m^-3 (D) 6.525 Kg m^-3

Match items in Group I with Group II: Group I P. Glycolytic pathway Q. Eukaryotic oxidative metabolism R. Glyoxylate cycle S. Calvin cycle Group II 1. Chloroplast 2. Glyoxysomes 3. Mitochondria 4. Cytosol Options: (A) P-1, Q-2, R-3, S-4 (B) P-2, Q-3, R-4, S-1 (C) P-4, Q-3, R-2, S-1 (D) P-3, Q-4, R-1, S-2

Variance (Vx) for this population of fruit flies as calculated from the above data shall be: Options: (A) 0.85 (B) 0.25 (C) 0.061 (D) 0.08

Match items in Group I with Group II: Group I P. Alzheimer’s disease Q. Mad cow disease R. Sickle cell anaemia S. Swine flu Group II 1. H1N1 2. Hemoglobin 3. Prions 4. Amyloid Options: (A) P-4, Q-3, R-2, S-1 (B) P-3, Q-4, R-1, S-2 (C) P-2, Q-1, R-4, S-3 (D) P-1, Q-2, R-3, S-4

How many molecules of amplicons will be present in 0.1 µl of reaction? Options: (A) 102.4 (B) 1024 (C) 51.2 (D) 512

Determine the correctness or otherwise of the following Assertion (a) and the Reason (r): Assertion: The elucidation of ribosome structure helps in the development of new generation drugs. Reason: The high resolution of macromolecular structure has enabled in structure-based drug design. Options: (A) both (a) and (r) are true and (r) is the correct reason … Read more

Match the terms in Group I with their associated functions in Group II: Group I P. Shine-Dalgarno sequences Q. Leucine zipper R. Aminoacyl tRNA synthetase S. RNA interference (RNAi) Group II 1. Aminoacylation of tRNA 2. Gene silencing 3. Ribosome binding and facilitation of translation initiation 4. Transcription factors Options: (A) P-3, Q-4, R-1, S-2 … Read more

Protein-protein interactions are studied by: P. DNA foot printing Q. Yeast two hybrid system R. Ligase chain reaction S. Mass spectrometry Options: (A) P and S only (B) Q and S only (C) P and R only (D) Q and R only

24. The polymorphic domains for Class II MHC proteins are: (A) α and β2 domains only (B) β and α2 domains only (C) α1 and β1 domains only (D) α2 and β2 domains only