conservation of plants and animals class 8 objectives

Causes of deforestation: 1. It includes a variety of plants, animals and microorganisms. It also leads to a decrease in the water-holding capacity of the soil. Lion cannot breed with deer. But less number of trees leads to an increase in the level of carbon-dioxide in the atmosphere. The food chain begins with autotrophs (producers) and ends with the consumption of the final energy by the heterotrophs (consumers). The most important among them is deforestation or destruction of their natural habitat because it will affect the species (flora and fauna) of complete area and not only the few organisms. It includes those organisms who are very few in number and their number is likely to decrease further. For e. xample: Giant squirrel, which is found only in South Asia. For example: Petroleum by products, Antifreeze etc. For example: A slight drop or rise in average rainfall will lead to seasonal changes that can harm hibernating mammals. Question 2: Which of the following plants is endemic to Pachmarhi Biosphere Reserve? The species which are at the verge of the extinction are called as______, 5. based on Conservation of Plants and Animals. Required fields are marked *, Chapter 7 Conservation Of Plants And Animals. Like lion, elephant, etc. Trees are cut to meet the need for wood used in manufacturing paper, furniture, in food industry, etc. These are at a risk of becoming extinct due to the following reasons-. These solutions for Conservation Of Plants And Animals are extremely popular among Class 8 students for Science Conservation Of Plants And Animals Solutions come handy for quickly completing your homework and preparing for exams. Biosphere Reserve : Large areas of protected land for conservation of wildlife, plant and animal resources and traditional life of the tribals living in the area. But lesser number of trees results in removal of top layer of soil which in turn exposes the lower portion of soil which is hard, rocky, contains less humus and is less fertile. Answer: Desertification changes the physical properties of soil. Time to check your knowledge by answering the following questions-, 1. Which amongst the following is not the consequence of deforestation? Here we have covered Important Questions on Conservation of Plants and Animals for Class 8 Science subject. Question 1. A place in environment where an organism lives is ________, 2. The objective of this project was to ensure the survival of tigers and maintenance of tiger population in country. Due to this, the habitats of many organisms are being destroyed and thus, we can say that our wildlife is in threat. 1. In the ecosystem, the interaction between living (biotic) and non-living (abiotic) is very important. Similarly cutting down trees for agriculture or for setting up buildings destroys the natural habitat of animals sometimes leading to their deaths. For example: Red knot bird is a migratory bird which moves in order to have better living situations. Solution: Greenhouse gases (carbon dioxide, methane, water vapour, etc.) Cutting of trees on large scale is … b. It may be used to fulfill fuel requirement for cooking, etc. Moreover, as the earth becomes hotter, it will make forests dry and more susceptible to forest fires. Aims & Objectives. This soil has less humus and is less fertile. There are numerous kinds of plants and animals that exist on earth. Protected forests are also not completely safe for wild animals. CBSE Class 8 Science Conservation of Plants and Animals MCQ NCERT helps the students to understand the concepts thoroughly and to score good marks. That dynamic community is called the ecosystem. Timber exploitation for construction purpose. Answer: Since plants help in evaporation of water, deforestation reduce rainfall on land. This may lead to situation called droughts where people suffer from scarcity of water and hunger. Answer: Animals whose numbers are diminishing to a level that they might face extinction are known as the endangered animal. This is the main cause of global warming and climate change. CONSERVATION OF PLANTS AND ANIMALS MULTIPLE CHOICE QUESTIONS. Answer: It is a project launched by government to protect tigers in the country. Solution: Biodiversity refers to the variety of plants, animals and microbes found in an area, their interrelationships with each other and with the environment. are allowed. Excessive combustion of fossil fuels leads to __________ . Clearance of agricultural fields to grow more food. What is the total number of national parks in Pachmarhi Biosphere Reserve? The energy produced by the food produced by plants is taken up by the herbivores (animals that eat plants and plant products, eg. Fewer trees result in more soil erosion. are prohibited. Dosto yeh video shirf kvs online exam half-yearly ke liye hai please dekh lena On worldwide basis, more than 15,500 species are facing the threat of extinction. NCERT Class 8 Science Chapter 7: Conservation of Plants and Animals YouTube Lecture Handouts Get unlimited access to the best preparation resource for UGC : Get detailed illustrated notes covering entire syllabus : point-by-point for high retention. Examples of migratory birds include the Arctic tern and Siberian crane. Which act was aimed at the preservation and conservation of natural forests in India? Conservation of Plants & Animals - Class 8 : Notes. Do you know? For example: In forests, there are a variety of plants and animals. Chapter – 7 Conservation of Plants and Animals MCQ Test 1 Science | Class 8th. The entire NCERT textbook questions have been solved by best teachers for you. So, they might cause floods. Conservation of Plants and Animals Class 8 Extra Questions Higher Order Thinking Skills. Friday 04th December 2020. To be precise, manage it at its threshold level and acquire sustainable benefits both for the present and future population. 6. Which of the following animal is endemic to Pachmarhi Biosphere Reserve? It is an area reserved for welfare of wildlife and it strictly ban the activities like hunting, poaching, grazing etc. The causes for deforestation are 1. We know that large varieties of plants and animals are present on earth. It is responsible for survival threat to many living organisms. The percentage of these gases increase in our atmosphere due to excessive usage of fossil fuels and this leads to an enhanced greenhouse effect. Here we have covered Important Questions on Conservation of Plants and Animals for Class 8 Science subject. 7. The variety of plants and animals existing on earth are essential for the well being and survival of mankind. Dec 01, 2020 - Chapter 7 : Conservation of Plants and Animals - PPT, Science, Class 8 Class 8 Notes | EduRev is made by best teachers of Class 8. 3. Normally, members of a same species breed amongst themselves and not with members of other species. Your No1 source for Latest Entrance Exams, Admission info, January 17, 2019 by SuccessCDs Team in CBSE Class 8 Science Lessons Explanation, Notes, NCERT Question Answers. NCERT Solutions for Class 8 Science PDF free download, NCERT Solutions for Class 8 Science Chapter 7 Conservation of Plants and Animals, to Study online or download free in PDF form. 3. This community of organisms interacting with each other and their physical environment including climate change is called the ecosystem. Part of earth which supports the biodiversity is called as _____. Deforestation changes the climatic condition. Solution: Biodiversity equilibrium means to maintain a balance between the variety and variability of life on Earth which gets influenced by deforestation.

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