Q. A microbial strain is cultured in a 100 L stirred fermenter for secondary metabolite production. If the specific rate of oxygen uptake is 0.4 h-1 and the oxygen solubility in the broth is 8 mg/L, then the volumetric mass transfer coefficient (KLa) (in s-1) of oxygen required to achieve a maximum cell concentration of […]
Q. An aqueous solution containing 6.8 mg/L of an antibiotic is extracted with amyl acetate. If the partition coefficient of the antibiotic is 170 and the ratio of water to solvent is 85, then the extraction factor is Ans: 2 to 2
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Whorl of sepals in flower represents Option 1 : AndroeciumOption 2 : GynoeciumOption 3 : CalyxOption 4 : Corolla
Q. 5′ capping of mRNA transcripts in eukaryotes involves the following events: P. Addition of GMP on the 5¢ end Q. Removal of g-phosphate of the triphosphate on first base at the 5¢ end C. 5′-5′ linkage between GMP and the first base at 5¢ end S. Addition of methyl group to N7 position of
5′ capping of mRNA transcripts in eukaryotes involves the following events: Read More »
Whorl of petals in flower represents Option 1 : GynoeciumOption 2 : AndroeciumOption 3 : CalyxOption 4 : Corolla
What indicates ‘A’ in the below figure? Option 1 : Pollen grainsOption 2 : Pollen sacsOption 3 : Generative cellOption 4 : Vacuoles
Whorl of carpel in flower represents Option 1 : GynoeciumOption 2 : AndroeciumOption 3 : CalyxOption 4 : Corolla
Whorl of stamens in flower represents Option 1 : GynoeciumOption 2 : AndroeciumOption 3 : CalyxOption 4 : Corolla
Q. Match the industrial products mentioned in Group I with their producer organisms in Group II Group I Group II P. Citric acid 1. Trichoderma viride Q. Cellulase 2. Clostridium acetobutylicum R. Vitamin B12 3. Aspergillus niger S. Butanol 4. Propionibacterium freudenreichii (A) P-4, Q-3, R-1, S-2 (B) P-3, Q-1, R-2, S-4 (C)
The initiation and development of floral primordium takes place by Option 1 : Only by hormonal changes in plantOption 2 : Only structural changes in plantOption 3 : Changes in seasonal variationOption 4 : Both by hormonal and structural changes in plant
The initiation and development of floral primordium takes place by Read More »
