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Home ‣ Biotechnology ‣ Vinegar and Citric Acid See What Others Are Saying!
  • Question

  • In submerged process for the fermentation to produce citric acid,


  • Options
  • A. A. niger is used with solid substrate as sweet potato
  • B. A. niger floats on the surface of solution
  • C. Fungal mycelium grows through out the solution in a deep tank
  • D. both (a) and (b)

  • Correct Answer
  • Fungal mycelium grows through out the solution in a deep tank 

    • More questions

    • 1. Which of the following denotes a pair of contrasting characters?

    • Options
    • A. Alleles
    • B. Phenotype
    • C. Homozygous
    • D. Genotype
      • Discuss
    • 2. The nucleous of mature unfertilized ovum may be removed by

    • Options
    • A. irradiation
    • B. surgery
    • C. both (a) and (b)
    • D. neutralization and homogenization
      • Discuss
    • 3. At which of the following check point, mitosis is controlled?

    • Options
    • A. G1
    • B. G2
    • C. M
    • D. S
      • Discuss
    • 4. At the __________ checkpoint, cell growth is controlled.

    • Options
    • A. C
    • B. G1
    • C. G2
    • D. S
      • Discuss
    • 5. Commercial sugarcane is heterozygons with germplasm from

    • Options
    • A. 1-3 Saccharum species
    • B. 3-5 Saccharum species
    • C. 5-7 Saccharum species
    • D. 7-9 Saccharum species
      • Discuss
    • 6. A short molecule containing 2-20 nucleotide is

    • Options
    • A. plasmid
    • B. vector
    • C. oligonucleotide
    • D. mononucleotide
      • Discuss
    • 7. Which of the following is the primary growth phase of a cell?

    • Options
    • A. G1
    • B. G2
    • C. M
    • D. G0
      • Discuss
    • 8. Yeast is used in the production of

    • Options
    • A. ethyl alcohol
    • B. acetic acid
    • C. cheese
    • D. curd
      • Discuss
    • 9. The combination of DNA and protein in the nucleus of a eukaryotic cell is called:

    • Options
    • A. nucleoplasm
    • B. plasmids
    • C. nucleoids
    • D. chromatin
      • Discuss
    • 10. In human B cells and T cells are matured in the

    • Options
    • A. bone marrow and thymus respectively
    • B. lymph nodes and spleen respectively
    • C. bursa and thymus respectively
    • D. none of these
      • Discuss

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