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.
Algal bloom depletes oxygen content of bodies of water polluted by
industrial effluents
thermal plant discharge
raw sewage disposal
crude oil spillage
Correct answer is C
No explanation has been provided for this answer.
Which of the following infections is unlikely to respond to antibiotic treatment?
Typhoid fever
Ring worm
Measles
Tetanus
Correct answer is C
No explanation has been provided for this answer.
shortage of food supply
fire outbreak
spread of diseases
increased competition
Correct answer is B
No explanation has been provided for this answer.