Materials are returned to the blood from the filtrate by which of the following processes?

#Question id: 19920

#Unit 13. Methods in Biology

#Question id: 11971

#Unit 7. System Physiology – Animal

#Question id: 10594

#Unit 10. Ecological Principles

Which of the following is not characteristic of ruderal species?

#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: 3623

#Unit 8. Inheritance Biology

To carry out a complementation test, which of the following statement is correct?