Human height is an example of a feature which depends on both
genotype and phenotype
genetic and environmental factors
mother's genotype and environmental factor
phenotipic and environmental factors
Correct answer is B
No explanation has been provided for this answer.
Environmental pollutants which can work through the media of water, soil, and air include
carbon monoxide
noise
sulphur(IV)oxide
smoke
Correct answer is C
No explanation has been provided for this answer.
Some of the diseases caused by bacteria are
tuberculosis, gonorrhoea, and syphilis
tuberculosis, gonorrhoea, and AIDS
Poliomyelitis, syphilis, and gonorrhoea
AIDS, cholera, and tuberculosis
Correct answer is A
No explanation has been provided for this answer.
Which of the following is a measure for the control of bilharzia?
Cutting low brushes around homes
Application of molluscicides in water bodies
Screening windows and doors with mosquito nets
Application of herbicides in water bodies
Correct answer is B
No explanation has been provided for this answer.
Which of the following food chains is in the correct sequence?
Weeds → Tadpole → Beetles → Fish → Man
Weeds → Tadpole → Fish → Beetles → Man
Tadpole → Beetles →Weeds → Man → Fish
Man → Fish → Beetles → Tadpole → Weeds
Fish → Beetles → Weeds → Man → Tadpoles
Correct answer is A
No explanation has been provided for this answer.