Deletion of which gene not only was accompanied by the abolition of antibiotic formation but also severely impaired growth on agar media.

#Question id: 12407

#Unit 6. System Physiology – Plant

#Question id: 10362

#Unit 6. System Physiology – Plant

Bacteria can convert atmospheric nitrogen into ammonia, Several form symbiotic associations with higher plants is given below;

               HOST PLANT                                                                          N-FIXING SYMBIONTS

A) Gunnera                                                                            i) Frankia

      B) Azolla                                                                                ii) Acetobacter

C) Leguminous                                                                     iii) Azospirillum

             D) Actinorhizal                                                                      iv) Nostoc

             E) Sugarcane                                                                         v) Anabaena

             F) Miscanthus                                                                       vi) Sinorhizobium

Which of the following combination with the host plants and n-fixing symbionts is CORRECT?

#Question id: 23473

#General Aptitude

#Question id: 5827

#Unit 8. Inheritance Biology

Temperature sensitive mutants could result from what?

#Question id: 23191

#Unit 13. Methods in Biology