Biology WAEC

An abandoned refuse dump can be a good site for an intending vegetable farmer because?

A. very little manual work would be done by the farmer B. microbial activity had released nutrients into the soil…

4 years ago

The drugs which inhibit the growth of disease-causing organisms and thus used in the treatment of infections are referred to as?

A. antibodies B. antibiotics C. antitoxic D. septics Correct Answer: Option B B. antibiotics

4 years ago

Which of the following methods is best for the determination of population density of Tridax in an open held?

A. transect B. quadrat C. Sweep-net D. pit-fall Correct Answer: Option B B. quadrat

4 years ago

When a farmer sprays crops with a pesticide, the pesticide becomes?

A. poisonous to all plants B. is broken down by soil algae C. easily washed down into lakes and rivers…

4 years ago

Plants found in the aquatic habitat are generally referred to as?

A. epiphytes B. halophytes C. xerophytes D. hydrophytes Correct Answer: Option D D. hydrophytes

4 years ago

Conservation of soil fertility employs crop rotation because?

A. crops are allowed to grow at their own rates B. it encourages the healthy growth of plants C. it…

4 years ago

Which of the following is not essential in studying of the ecological factors that directly affect plants?

A. wind B. temperature C. herbivores D. carnivores Correct Answer: Option D D. carnivores

4 years ago

Biosphere is best described as?

A. all parts of the earth where life exists B. the non-living parts of an ecosystem C. a components of…

4 years ago

Which of the following teeth are well-developed to form the carnassial teeth of carnivorous mammals? The

A. first lower premolar and third upper molar B. first lower molar and third upper premolar C. second lower premolar…

4 years ago