Archives: Questions and Answers

Post Type for Questions and Answers

15. Substrate consumption in lag phase of microbial growth is primarily used for: (A) P, Q and S only (B) Q, R and S only (C) P, Q and R only (D) S only Where: P. turnover of the cell material Q. maintenance of intracellular pH R. motility S. increase in cell number

15. Substrate consumption in lag phase of microbial growth is primarily used for: (A) P, Q and S only (B) Q, R and S only (C) P, Q and R only (D) S only Where: P. turnover of the cell material Q. maintenance of intracellular pH R. motility S. increase in cell number

12. In balanced growth phase of a cell: (A) P, Q and S only (B) Q, R and S only (C) P, Q and R only (D) P only Where: P. all components of a cell grow at the same rate Q. specific growth determined by cell number or cell mass would be the same R. the growth rate is independent of substrate concentration S. the growth rate decreases with decreasing substrate concentration

12. In balanced growth phase of a cell: (A) P, Q and S only (B) Q, R and S only (C) P, Q and R only (D) P only Where: P. all components of a cell grow at the same rate Q. specific growth determined by cell number or cell mass would be the same … Read more

11. ‘Hairy roots’ induced in vitro by the infection of Agrobacterium rhizogenes are characterized by: (A) P and R only (B) P and Q only (C) Q and R only (D) R and S only Where: P. a high degree of lateral branching Q. genetic instability of culture R. an absence of geotropism S. poor biomass production

11. ‘Hairy roots’ induced in vitro by the infection of Agrobacterium rhizogenes are characterized by: (A) P and R only (B) P and Q only (C) Q and R only (D) R and S only Where: P. a high degree of lateral branching Q. genetic instability of culture R. an absence of geotropism S. poor … Read more

10. Shoot organogenesis by tissue culture results into: (A) a bipolar structure that has no vascular connection with the explant (B) a monopolar structure that has a strong connection with the pre-existing vascular tissue of the explant (C) a monopolar structure that has no vascular connection with the explant (D) a bipolar structure that has a strong connection with the pre-existing vascular tissue of the explant

10. Shoot organogenesis by tissue culture results into: (A) a bipolar structure that has no vascular connection with the explant (B) a monopolar structure that has a strong connection with the pre-existing vascular tissue of the explant (C) a monopolar structure that has no vascular connection with the explant (D) a bipolar structure that has … Read more

9. Hydrated synthetic seeds which are produced by ion exchange reaction involve mixing the somatic embryos in a solution of: (A) sodium alginate and dropping it in a solution of calcium nitrate (B) calcium alginate and dropping it in a solution of sodium nitrate (C) calcium alginate and dropping it in a solution of ammonium nitrate (D) mannitol and dropping it in a solution of sodium nitrate

9. Hydrated synthetic seeds which are produced by ion exchange reaction involve mixing the somatic embryos in a solution of: (A) sodium alginate and dropping it in a solution of calcium nitrate (B) calcium alginate and dropping it in a solution of sodium nitrate (C) calcium alginate and dropping it in a solution of ammonium … Read more

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