For any embryo culturing, which compound is preferred source of nitrogen?

#Question id: 14081

#Unit 1. Molecules and their Interaction Relevant to Biology

#Question id: 3020

#Unit 2. Cellular Organization

During which phase of the bacterial growth curve does the total number of viable cells decline?

#Question id: 3533

#Unit 8. Inheritance Biology

What would be the frequency of dominant phenotype for all character individuals from a mating of two AaBbCc individuals?

#Question id: 10886

#Unit 10. Ecological Principles

Much greater proportion of energy fixed by autotrophs is transferred to the herbivore level in the open ocean ecosystem than in a forest ecosystem because

#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?