Topic outline

    • Conservation of Plants and Animals

      Q20. What do the rock paintings found in the rock Shelters of Satpura National Park depict?

      Ans. Figures of animals and men fighting, hunting, dancing, and playing musical instruments are depicted in these paintings.


      Q21. Protected forests are also not completely safe for wild animals. Why?

      Ans. Protected forests are also not completely safe for wild animals because people living in the neighbourhood encroach upon them and destroy them.


      Q22. Some tribals depend on the jungle. How?

      Ans. The forests provide food, fodder and other resources to the tribal people. Hence, they depend on forest for their daily requirements.

      Q23. What is the role of biosphere reserves?
      What is the purpose of biosphere reserves?

      Ans. The biosphere reserves help to maintain the biodiversity and culture of that area. A biosphere reserve may also contain other protected areas in it.


      Q24. What are the protected areas which have been earmarked to protect our flora and fauna and their habitats?

      Ans. To protect our flora and fauna and their habitats, protected areas called sanctuaries, national parks and biosphere reserves have been earmarked.


      Q25. What is ecosystem?

      Ans. An ecosystem is made of all the plants, animals and microorganisms in an area along with non-living components such as climate, soil, river deltas, etc.


      Q26. What is ‘Project Tiger? What was the objective of this project?

      Ans. Project Tiger was launched by the government to protect the tigers in the country. The objective of this project was to ensure the survival and maintenance of the tiger population in the country.

      Q27. What is global warming?

      Ans. The gradual increase in the overall temperature of earth’s atmosphere due to greenhouse effect caused by the increased level of carbon dioxide in the atmosphere is called global warming.


      Q28. What do you understand by the term migration?

      Ans. Migration is the phenomenon of movement of a species from its own habitat to some other habitat for a particular time period every year for a specific purpose like breeding.


      Q29. What is biological diversity or biodiversity?

      Ans. Biological diversity or biodiversity, refers to the variety of organisms existing on the earth, their interrelationships and their relationship with the environment.


      Q30. Name some species which are endemic to Pachmarhi Biosphere Reserve.

      Ans. Sal and wild mango are two examples of the endemic flora of the Pachmarhi Biosphere Reserve. Bison, Indian giant squirrel and flying squirrel are endemic fauna of this area.

      Q31. Which is reforestation?

      Ans. Reforestation is restocking of the destroyed forests by planting new trees. The planted trees should generally be of the same species which were found in that forest.


      Q32. How recycling of paper helps in the conservation of forests?

      Ans. Paper is made from wood pulp that is produced from the wood of forest trees. It takes 17 full grown trees to make one tonne of paper. Therefore, we should save paper to save the forest trees.


      Q33. Why do birds migrate?

      Ans. Birds migrate to far away areas every year during a particular time because of climatic changes. They fly for laying eggs as the weather in their natural habitat becomes very cold and inhospitable.


      Q34. Name some of the threatened wild animals which are protected and preserved in our wild life sanctuaries.

      Ans. Some of the threatened wild animals like black buck, white eyed buck, elephant, golden cat, pink headed duck, gharial, marsh crocodile, python, rhinoceros, etc. are protected and preserved in our wild life sanctuaries.

      Q35. What are endemic species?

      Ans. Endemic species are those species of plants and animals which are found exclusively in a particular area. They are not naturally found anywhere else. A particular type of animal or plant may be endemic to a zone, a state or a country.

    • Download to practice offline.