Biology

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…

6 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

6 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…

6 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

6 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…

6 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…

6 years ago

The break-down of food in o simple, soluble and absorbable end-products is termed?

A. absorption B. ingestion C. nutrition D. digestion Correct Answer: Option D D. digestion

6 years ago

Which of the following defines symbiosis?

A. parasites feed on dead organisms B. both organisms benefit mutually by living together C. Saprophytes feed on living organisms…

6 years ago

Which of the following features enables the tapeworm to live successfully in the small intestine of human?

A. Hook and suckers for strong attachment B. Along neck for forming young proglottis C. The absence of segmentation and…

6 years ago

An importance of food web is that living organisms?

A. use web to collect food B. can live on their own C. have to form a web D. depend…

6 years ago