Are you looking for Conservation of Plants and Animals Extra Questions and Answers, if yes? then you the right place. Here we are providing Conservation of Plants and Animals Extra Questions and Answers Class 8 Science Chapter 7.
Conservation of Plants and Animals Extra Questions and Answers Science Chapter 7
Que. 1) Solve the following multiple choice questions-
1)………………is the protected area that provides protection from threats and suitable living conditions mainly to wild animals.
a.) reserve forests
b.) national parks
c.) wildlife sanctuaries
d.) all of the above
Ans.c. wildlife sanctuaries
2) …………………. is made of all the plants, animals and microorganisms living in an particular area along with all the non-living components such as climate, soil,etc.
a.) Ecosystem
b.) Protected area
c.) Both a and b
d.) Neither a nor b
Ans. a. ecosystem
3) ………………………….is the source book which keeps the record of all the animals and plants which are endangered in a region.
a.) Orange data book
b.) Red data book
c.) Maroon data book
d.) Pink data book
Ans. b. Red Data Book
4)……………………. is restocking of the destroyed forests by planting new trees in it.
a.) Forestation
b.) Deforestation
c.) Afforestation
d.) Reforestation
Ans: d. Reforestation
5)………………………….. act is enacted in India which is aimed at preservation and conservation of natural forests and meeting the basic needs of the people living in or near the forests.
a.) Soil (Conservation) Act
b.) Forest (Conservation) Act
c.) Water (Conservation) Act
d.) Air (Conservation) Act
Ans: b. Forest (Conservation) Act.
Que. 2. Answer the following questions in short-
1) Define endemic species.
Ans. Endemic species are those species of plants and animals which are found exclusively in a particular area.
2) What consists of protected areas?
Ans. protected areas consists of wildlife sanctuaries, national parks and biosphere reserves
3) What is the term for the plants and animals found in a particular area?
Ans. flora and fauna is the name for the plants and animals found in a particular area.
4) Name the endemic species you know.
Ans. Bison, Indian giant Squirrel, flying squirrel are endemic species.
5) Name the first reserve forest in India?
Ans. Satpura National Park is the first Reserve Forest of India.
6) mention natural causes of deforestation?
Ans. forest fires and severe droughts are some natural causes of deforestation
Que. 3. Answer the following questions:
1) Why trees in a forest are cut?
Ans. tress in a forest is cut for the following reasons-
- Procuring land for cultivation of food crops or cash crops
- Building of houses and factories.
- Making furniture
- Using wood as a source of fuel.
2) What are the components of ecosystem?
Ans. An ecosystem is made of various components such as all the plants, animals and microorganisms living in an particular area along with non-living components such as climate, soil, river deltas etc
3) Why we should recycle paper?
Ans. Recycling of paper will save trees from getting cut down, save energy and water needed for manufacturing paper and the amount of harmful chemicals used in paper making will also be reduced
4) What causes endangering the existence of endemic species?
Ans. Endemic species are those species of plants and animals which are found
exclusively in a particular area and nowhere else. Destruction of habitat, increasing human population and introduction of new species of plants and animals affect the natural habitat of endemic species and endanger their existence in that particular area.
Que. 4. Explain the following:
1) Comment on project tiger?
Ans. Tiger is one of the many wildlife species which are slowly disappearing from our forests due to various manmade reasons. Therefore, Project Tiger was launched by the central government to protect the tigers in our country and to increase their number. The main objective of this project was to ensure the survival and maintenance of the tiger population in our country thereby increasing their numbers.
2) Why do birds migrate?
Ans. Migration is the phenomenon of movement of a species from its own habitat to some other
habitat for a particular time of a year in every year for a specific purpose like breeding. Birds who cover long distances to reach another land are known as migratory birds.
Migratory birds fly to far away areas every year during a particular season because of climatic changes. They fly to a suitable area for laying eggs as the weather in their
natural habitat becomes very cold and inhospitable for them.
3) Comment on the biosphere reserve?
Ans. biosphere reserves are the areas reserved for conservation of biodiversity. The
biosphere reserves help us to maintain the biodiversity and culture of a particular area having sacred values with the help of local people.
Ex- The Pachmarhi Biosphere Reserve
4) differentiate between national park and wildlife sanctuaries?
Ans.
national park | wildlife sanctuaries |
Are the areas reserved for wild life where they can freely use the habitats and natural resources | Are the areas where animals are protected from any disturbance to them and their habitat. |
Provide protection to wild animals only. | They preserve all flora, fauna, landscape and historic objects of a particular area. |
Ex- Sanjay Gandhi national Park, Borivali | Ex- Satpura National
Park |