Biology

The term used in describing the effective management of national resources by man is?

A. preservation B. utilization C. economics D. development E. conservation Correct Answer: Option E - conservation

6 years ago

Which of the following is not an effect of overcrowding on a population?

A. Death B. Competition C. Commensalism D. Aggression E. Cannibalism Correct Answer: Option C - Commensalism

6 years ago

Maize is best stored against insect attack?

A. on raised platforms B. in fumigated silos C. in a sunny area D. while still on the cob E.…

6 years ago

Which of the following methods is used in food preservation for a long period?

A. adding oil to food B. Exposing food to fresh air C. keeping the food in a store D. Warming…

6 years ago

Which of the following. groups of organisms feed directly on green plants?

A. Producer B. Decomposer C. Primary consumer D. Secondary consumer E. Tertiary consumer Correct Answer: Option C - Primary consumer

6 years ago

The activities of an organism which affect the survival of another organism in a habitat can be described as?

A. biotic factors B. climatic factors C. physiographic factors D. edaphic factors E. abiotic factors Correct Answer: Option A -…

6 years ago

Pests can be controlled without the subsequent danger of polluting the ecosystem by?

A. introducing a population of species similar to that of the pest B. increasing the population of the natural enemies…

6 years ago

Which of the following statements is not correct about the ecological effects of agricultural activities?

A. The use of herbicides and pesticides in farms can cause pollution B. Bush-burning encourages desertification C. Excessive use of…

6 years ago

Which of the following characteristics is associated with commensalism?

A. Both organisms are harmful to each other B. The association involves many organisms C. The association is beneficial to…

6 years ago

Which of the following statements is not correct about food chains?

A. All food chains start with a green plant B. Food chains involve feeding relationships among organisms C. shorter food…

6 years ago