Jamb Biology Past Questions For Year 2016
Question 31
In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by
- A. puterfying bacteria
- B. nitrogen-fixing bacteria
- C. nitrifying bacteria
- D. denitrifying bacteria
Question 32
The sequence of the one-way gaseous exchange mechanism in a fish is
- A. gills ⢠operculum ⢠mouth
- B. mouth ⢠gills ⢠operculum
- C. mouth ⢠operculum ⢠gills
- D. operculum ⢠mouth ⢠gills
Question 33
The adaptive importance of the nuptial flight from termite colonies is to
- A. ensure cross-breeding between members of one colony and another
- B. disperse the reproductives in order to establish new colonies
- C. provide abundant food for birds and other animals during the early rains
- D. expel the reproductives so as to provide enough food for other members
Question 34
Seed plants are divided into
- A. monocoty ledons and dicotyledons
- B. tracheophytes and ferns
- C. angiosperms and gymnosperms
- D. thallophytes and bryophytes
Question 35
The hereditary characters in plants and animals are located on the
- A. gene
- B. mucleus
- C. chromosome
- D. cell
