differentiates between individuals of the same species
qualifies an organism to live with others
enables organisms to adapt to the environment
states the external features of an organism
Correct answer is A
No explanation has been provided for this answer.
The following practices can contribute towards the conservation of natural resources except
afforestation
deforestation
contour ploughing
establishment of Game Reserves
Correct answer is B
No explanation has been provided for this answer.
Which of the following orders correctly represents the trend in eutrophication?
Lack of oxygen → Death of aquatic organisms → Massive algal growth
Excess nitrates and phosphates → Massive algal growth → Lack of oxygen → Death of aquatic organisms
Heavy mineralization → Lack of oxygen → Massive algal growth
Excess nitrates and phosphates → Lack of oxygen → Massive algal growth → Death of aquatic organisms
Correct answer is B
No explanation has been provided for this answer.
protection of wildlife
prevention of habitat destruction
biological control of pests
disposal of raw sewage into the sea
Correct answer is D
No explanation has been provided for this answer.
Air pollution can be reduced by the following methods except?
building tall factory chimneys
passing waste gases through filters and absorbers
using lead-free petrol in car
recycling tins, cans, and bottles
Correct answer is A
Chimneys of factories release toxic gases into the air