WAEC BIOLOGY 2002 : Which of the following measures is most likely to cause a damage to the ecosystem in the control of pests and weeds? Posted on:
WAEC BIOLOGY 2002 : The total amount of energy entering a food chain is that which is present in the Posted on:
WAEC BIOLOGY 2002 : When a food substance gives a purple colour on the addition of sodium hydroxide and a drop of copper sulphate, then the food substance is likely to contain Posted on:
WAEC BIOLOGY 2002 : The deficiency disease that results from the lack of vitamin B due to frequent eating of rice is Posted on:
WAEC BIOLOGY 2002 : After fertilization in the flowering plants, the zygote develops into the Posted on:
WAEC BIOLOGY 2002 : Which of the following organs in humans is responsible for the removal of excess water? Posted on:
WAEC BIOLOGY 2002 : In humans, which of the following pairs of hormones correspond to male and female respectively? Posted on:
WAEC BIOLOGY 2002 : If the cerebellum of a person is slightly damaged, which of the following will be impaired? Posted on:
