Microbial Biotechnology MCQs

The precursor for penicillin-G biosynthesis during fermentation process is

Which of the following eukaryotic organisms has been proven to be of great industrial importance?

Oils rich in PUFA are not desirable for biodiesel production because

Match the products in Group I with their ppossible applications in Group II. Group I Group II P. Erythropoietin 1. Blood clot Q. Anti-fibrin 99 2. Binding and transport of iron R. Collagenase 3. Anaemia S. S. Transferrin 4. Animal cell separation

Match the recombinant products in Group I with their therapeutic applications in Group II. Group I Group II P. Human growth hormone 1. Pituitary dwarfism Q. Platelet growth factor 2. Chemotherapy induced thrombocytopenia R. Factor VIII 3. Hemophilia S. Erythropoietin 4. Anemia associated with chronic renal failure

Identify the statement that is not correct

Examine the data given below in the table on purification of a protein X. Step Volume (mL) Protein Concentration (mg mL-1) Enzyme Activity (unit mL-1) Crude cell-free extract 500 12.0 5.0 Ammonium sulfate precipitation 125 3.0 11.0 Ion-exchange chromatography 10 9.0 75.0 The yield percent and purification factor, respectively, at the end of the experiment will be approximately

Match the activity spectrum of the following antibiotics. Group I Group II P. Actinomycin D 1. Antifungal Q. Daunorubicin 2. Antituberculosis R. Rifamycin 3. Antitumor S. Griseofulvin 4. Antiprotozoal

Determine the correctness or otherwise of the following Assertion (A) and Reason (R). Assertion: Cell mass yield of a methylotrophic yeast is more on methanol compared to glucose. Reason: Methanol has a greater degree of reductance compared to glucose.