Free living nitrogen fixing takes place as shown in the following;

             TYPE                                                                                       N-FIXING GENERA

A) Cyanobacteria (blue-green algae)                                        i) Bacillus

B) Aerobic                                                                                     ii) Clostridium

C) Facultative                                                                              iii) Anabaena

D) Anaerobic nonphotosynthetic                                            iv) Rhodospirillum

E) Anaerobic photosynthetic                                                     v) Azospirillum

 Which of the following combination of free living nitrogen fixing bacteria is correct?

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#Question id: 5764

#Unit 8. Inheritance Biology

A wild-type chromosome can be represented as ABC * DEFGH, and from this a chromosomal aberration arises that can be represented AFED * CBGH. This is known as (* = centromere)

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#Question id: 23937

#General Aptitude

Unitary Teaching College is called

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#Question id: 23528

#General Aptitude

The carrying capacity of a population is determined by its

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#Question id: 16098

#Unit 7. System Physiology – Animal

Which one of the following is produced by sebaceous glands?

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#Question id: 18378

#Unit 12. Applied Biology

Biostimulation is a process which involves the modification of the environment to