Below are some group of diseases. Which group of diseases is caused by bacteria?
Tuberculosis, smallpox
Gonorrhoea, measles
Tuberculosis, polio
Sleeping sickness, measles
Syphilis, gonorrhoea
Correct answer is E
No explanation has been provided for this answer.
amount of water in soil
percentage of water in soil
presence of humus in soil
resistance of laterities to heat
release of smoke from the soil
Correct answer is C
No explanation has been provided for this answer.
Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they
enrich the soil with phoshates
provide animals with food
enrich the soil with organic nitrogen
protect the soil from being over-heated
protect the micro organisms in the soil
Correct answer is C
No explanation has been provided for this answer.
lowest in the tube with clay
the same in all tubes
lowest in the tube with loamy soil
highest in the tube with sandy soil
lowest in the tube with sandy soil
Correct answer is E
No explanation has been provided for this answer.
the cut tips was bent away from the light
the cut tips bent towards source of light
the intact tips bent away from the light
the intact tips bent towards the light
both tips bent away from light
Correct answer is D
No explanation has been provided for this answer.