Quiz 7 Biodiversity

Which practices help conserve the biodiversity?

• Using insects to fight other insects

• Adopting organic farming

• Throwing garbage anywhere

• Growing variety of crops rather than just one crop

How do humans cause destructions in the environment?

• They use synthetic fertilizers in farming.

• They deprive many animals of their habitat.

• They limit the cultivation of various sorts of plants.

• They spray their crops with insecticides and herbicides.

Which anthropogenic activity is encouraged to protect and preserve biodiversity?

• Kaingin

• Reforestation

• Biological Pollution

• Logging and Pouching

Which Republic Act provides for the conservation and protection of wildlife resources and their habitats to promote ecological balance and enhance biological diversity?

• Republic Act 9003

• Republic Act 1993

• Republic Act 9147

• Republic Act 9237

Which actions of an environmental activist will NOT promote the welfare of endangered species?

• protect and maintain the endangered habitat

• initiate a program like seminars or lectures through the help of concern personnel

• discretely buy hardwood lumber like narra and yakal for construction purposes

• coordinate with “bantay gubat” personnel to avoid hunting of endemic species

Which is NOT a principle of an ecosystem stability?

• Ecosystems use sunlight as source of energy.

• The size of a consumer population is not maintained such that overgrazing and

  other forms of overuse do not occur.

• Biodiversity is maintained.         

• Ecosystems replenish nutrients by recycling all elements.

Which criterion is NOT considered in determining whether a species is threatened or not?

• Modification or curtailment of its habitat and range

• Natural or man-made factors affecting the existence of wildlife

• Over-utilization for commercial, recreational, scientific or educational purposes

• Direct economic value to human populace

Which would likely -happen when overfishing in the oceans, clearing of forests and polluting of water sources are not prevented?

• Species will decrease; and biodiversity will increase.

• Species may become endangered; habitat will become inhabitable; and biodiversity may decrease.

• Species will increase; and biodiversity decreases.

• Species will proliferate; habitat will become habitable; and biodiversity may increase.

Which of the following shows aesthetic value of species?

• artistic & colorful feathers of peacock

• bangus grown in farms

• butterfly pollenating flowers of fruit trees

• trees along riverbanks preventing soil erosion

Which of the following shows direct economic value of species?

• bangus grown in farms

• butterfly pollenating a rose flower in a garden

• trees along riverbanks preventing soil erosion

• scenic view over chocolate hills in Bohol