Which of these is not a hereditary variation?
Infant paralysis
Blood group
Sickle cell
Nose and face shape
Hair colour
Correct answer is A
No explanation has been provided for this answer.
The need for conservation includes the following except to
keep natural resources for future generations
preserve them for scientific and recreational purposes
maximise the use of natural resources
make sure the natural resources are not used
ensure that everybody benefits from the natural resources
Correct answer is D
No explanation has been provided for this answer.
Which of the following is not a way to conserve natural resources?
Adopting good farming practices
Establishing forest reserves
Establishing game reserves
Encouraging poaching
Protecting the endangered species
Correct answer is D
No explanation has been provided for this answer.
The following are the effects of overgrazing except
depletion of useful fodder crops
soil and wind erosion of pastureland
epidemic of cattle diseases
migration of herdsmen
scarcity of good pastureland
Correct answer is C
No explanation has been provided for this answer.
Which of the following resources is non-renewable?
Livestock
Minerals
Forest
Soil
Air
Correct answer is B
No explanation has been provided for this answer.