The shape of the average cost (AC) shows that as production increases
Total cost decreases
Average cost decreases and then increases
Average cost increases
Marginal cost steadily increase
Total cost remains constant
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements about mutation is true?
The genotype is not affected
The genotype is affected
The phenotype is not affected
It cannot be induced by artificial means
Correct answer is B
No explanation has been provided for this answer.
To the economist, efficiency of resource use means
The maximum use of resource to achieve minimum objectives
The reduction of cost for adequate output
Relating value of input to that of output
Using appropriate resources for desired wants
Maximizing output from a given amount of resource
Correct answer is E
No explanation has been provided for this answer.
Which of the following is not a means of conservation?
Controlling excessive deforestation
Prevention of poaching
Replacing harvested mature trees with seedlings
Burning of vegetation before cropping
Correct answer is D
No explanation has been provided for this answer.
Conservation of wild life is necessary mainly because
wild species cannot resist disease better than their domesticated species
many predator wild animals help in control of pests
many people derive pleasure from observing wild animals
it helps to prevent extinction of species
Correct answer is D
No explanation has been provided for this answer.