About Biodiversity

Biodiversity allows different species to thrive and coexist. Unfortunately, humans are threatening biodiversity with our actions. We are destroying habitats, polluting the environment, and hunting animals to extinction. In this blog post, we will discuss ways that you can help preserve biodiversity and protect our planet!

One way to help preserve biodiversity is to reduce your impact on the environment. You can do this by recycling, composting, and using less water. Another way to help preserve biodiversity is to support organizations that are working to protect it. You can donate money or time to these organizations, or simply spread awareness about their work!

You can also help preserve biodiversity by planting native plants in your garden. This will provide habitat for local wildlife, and it can help to prevent the spread of invasive species. Finally, you can educate yourself and others about the importance of biodiversity.

Final Verdict

Biodiversity is essential to the health of our planet, and we all have a role to play in preserving it.

Following are some of the multiple choice questions on the Biodiversity with answers that will help the students in developing their knowledge.

Biodiversity MCQ

1. Which of the following is an example of a supporting ecosystem service?

  • nutrient cycling
  • recreation
  • tourism
  • habitat restoration

2. Which of the following is NOT a main type of ecosystem service?

  • restoring
  • supporting
  • provisioning
  • cultural

3. Which is NOT an aquatic ecosystem?

  • freshwater
  • taiga
  • estuary
  • wetland

4. Which statement is true of ponds but NOT lakes?

  • Plants surround the shore.
  • Surface water contains organisms that use sunlight forphotosynthesis.
  • Sunlight reaches the bottom of the body of water
  • People fill them in with sediment to create land for houses andother structures.

5. An ecosystem has 150 organisms of 15 different species. What is the biodiversity index of this ecosystem?

  • 165
  • 10
  • 0.15
  • 0.1

6. Which of the following does not describe an ecosystem in a state of dynamic equilibrium?

  • An ecosystem that is constantly changing.
  • An equilibrium that becomes unbalanced.
  • An ecosystem that can return to a balanced state.
  • An ecosystem that can respond to disruptions.

7. Which of the following is a regulating service provided by ecosystems?

  • the water cycle
  • pollination
  • food production
  • natural resources

8. Tropical rain forests and coral reefs are examples of ecosystem with low biodiversity.

  • True
  • False

9. A wetland being drained so a housing development can be built is an example of ____________.

  • habitat destruction
  • over exploitation
  • pollution
  • conservation

10. Climate change is a threat to biodiversity on Earth.

  • True
  • False

11. Habitat restoration can have a positive impact on biodiversity in an area.

  • True
  • False

12. Which of the following is NOT one of the five major threats to biodiversity?

  • habitat destruction
  • invasive species
  • over exploitation
  • reclamation

13. A species that is not native to a particular region and has no natural predators and little competition

  • consumer species
  • producer species
  • invasive species
  • adapted species

14. Succession that occurs in areas that previously didn't support life, such as on rocks or ice

  • tangential succession
  • primary succession
  • secondary succession
  • quaternary succession

15. A common type of succession that occurs where an event such as a forest fire has occurred, or a farmer's field has been abandoned is called

  • common succession
  • primary succession
  • secondary succession
  • Quaternary succession

16. A community is

  • Several different populations scattered across several states.
  • Several different organisms in the same geographic area
  • One type of organism in the same geographic area
  • Several different populations in the same geographic area

17. A tick and a dog have this type of relationship.

  • mutualism
  • commensalism
  • neutralism
  • parasitism

18. Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.

  • mutualism
  • commensalism
  • competition
  • parasitism

19. Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm). 

  • Mutualsim 
  • Parasitism 
  • Commensalism 
  • none of above

20. Which are decomposers?

  • humans
  • trees
  • red wolves
  • worms

21. What do the arrows show in a food chain picture?

  • They always point to the smallest animals.
  • They point to the animal that tastes the best.
  • They always point to the producers.
  • They point in the direction that energy is flowing.

22. Producers get their energy from the ______.

  • water
  • Sun
  • eating animals
  • eating plants

23. What is the name of the organism at the beginning of every food chain?

  • producers
  • consumers
  • herbivores
  • carnivores

24. Which organisms are the consumers?

  • deer and squirrel
  • flowers and deer
  • deer and mushrooms
  • squirrel and mushrooms

25. Which food chain is in the correct order?

  • cat, grass, bird, snail
  • bird, snail, grass, cat
  • grass, snail, bird, cat
  • grass, cat, bird, snail

26. Resilience describes an ecosystem's ability to maintain dynamic equilibrium.

  • True
  • False

27. Which of the following is NOT a method scientists use to measure the biodiversity of an area?

  • canopy fogging
  • transect sampling
  • biological control
  • aerial photos

28. Which of the following is NOT a method used for controlling invasive species?

  • the use of herbicides
  • weeding
  • the use of other species
  • reclamation

29. Which of the following describes a taiga?

  • warm and moist
  • exists only in the northern hemisphere
  • treeless
  • mostly deciduous trees

30. Which is NOT a reason that species estimates vary so much.

  • Some areas remain unexplored
  • Many species are very tiny, and therefore overlooked.
  • Not enough scientist to explore
  • Many organisms are difficult to identify

31. Select all of the correct answers that indicate ecological services provided by biodiversity.

  • Purification of air and water
  • Decomposition of wastes
  • Control of pests
  • all of above

32. What is latitudinal gradient?

  • A global pattern of species richness that changes with latitude
  • A specific area on the globe
  • Where all species originate from
  • Describes taxonomic groups

33. Which biome is more biodiverse?

  • Desert
  • Sand
  • Tundra
  • Rainforest

34. A stable ecosystem typically has high biodiversity.

  • True
  • False

35. What gas from the list below is a cause for global warming?

  • Urethane
  • Oxygen
  • Carbon Dioxide
  • none of above

36. If there is more food than usual in an ecosystem, then the population will mostly likely...

  • stay the same
  • decrease
  • increase
  • none of above

37. Any thing or organism that regulates the size of a population of another organism is known as __________.

  • a limiting measure
  • a limiting factor
  • factorization
  • materialization of precipitation

38. Which option is abiotic?

  • Plants
  • Bacteria
  • Water
  • Fungi

39. What are some ways we can help in maintaining biodiversity?

  • Get involved with ecological restoration in your area.
  • Prevent invasive species from overpopulating.
  • Don't use chemical pesticides on crops.
  • All of the above

40. Biodiversity is the ____________ and variability of __________ on earth

  • variety
  • life
  • diversity
  • both A and b

41. This refers to the total disappearance of all the members of a particular group of species.

  • Extinction
  • Biodiversity
  • Natural Selection
  • Disappearance

42. A type of extinction that happens when species endemic to a place die out.

  • Background
  • Local
  • Mass
  • Accelerated

43. Biodiversity, aka biological diversity, usually refers to

  • the same species in a general location
  • the number of different species in a given area
  • the number of animal species in a given area
  • the number of plant species in a given area

44. Species that are clearly critical to the functioning of an ecosystem are known as

  • biodiversity
  • keystone species
  • main species
  • native species

45. A species that is likely to become extinct if protective measures are not taken immediately is known as

  • threatened species
  • endemic species
  • keystone species
  • endangered species

46. _____________ refers to all the different kinds of living organisms within a given area.

  • Ecology
  • Biodiversity
  • Plant Life
  • None of the Above

47. Biodiversity includes plants, animals, fungi and other living things?

  • True
  • False

48. A common way to measure biodiversity is to count the total number of ____________ living within a particular area.

  • Animals
  • Plants
  • Species
  • Cute Puppies

49. Tropical regions, areas that are warm year-round, have the most biodiversity.

  • True
  • False

50. Biodiversity can also refer to the variety of ______________ communities of living things and their environments.

  • Populations
  • Plant Life
  • Ecosystems
  • Organisms

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