TLS Online TPP Program

#Question id: 38812


Q. Which of the following statements regarding chemotherapy for virus elimination in plant tissue culture is CORRECT?

#Plant Biotechnology
  1. Chemotherapy eliminates viruses by killing infected plant cells directly
  2. Virazole (ribavirin) inhibits virus multiplication and has been used to eliminate PVX and ORSV
  3. Cycloheximide and actinomycin D are growth regulators that stimulate shoot regeneration
  4. Antibody treatment of shoot-tips reduces the efficiency of ORSV elimination in Cymbidium