4. Exotic species are foreign or alien species entering into a new geographical area. This MCQ set consists of Ecology and Environmental Sciences Multiple Choice Questions from the topic Biodiversity and Conservation Part 1 with Answer Key. answer choices . Extinction due to human activities is termed as anthropogenic extinction. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Ecology MCQ on Wild Life and Biodiversity Conservation Part 2, Ecology MCQ on Community Ecology (Synecology Part 1), Ecology MCQ on Population Ecology (Autecology), Ecology MCQ on Air Pollution (for CSIR NET Life Science Examination), MCQ on Environmental Science with Answer Key. Other rare species have become rare because of the interference of human or other unnatural forces. Access the answers to hundreds of Biodiversity questions that are explained in a way that's easy for you to understand. Besides this agricultural run-offs containing pesticides and chemical fertilizers have increased the toxicity of lakes and ponds making them unfit for aquatic plants and animals. These are the taxa which fall into any one of the above three categories- endangered vulnerable and rare. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 15 Biodiversity and Conservation. biodiversity loss are : 1. The most important reason for biodiversity loss in today’s age is (a) over-exploitation (b) co-extinctions (c) alien species invasions (d) … Threats to Biodiversity Biodiversity is under serious threat due to human activities. Page 5 of Environment & Biodiversity Current Affairs Questions (MCQs) for SSC, Banking / IBPS, UPSC, IAS, NTSE, CLAT, Railways, NDA, CDS, Judiciary, UPPSC, RPSC, GJPSC, MPSC, MPPSC and other states civil services / government job recruitment examinations of India. These are the species with fever individuals. The Red Data Book lists the endangered species of plants and animals . International Union for Conservation of nature and natural resources (IUCN ) has identified rare species of plants and animals on the following basis: IUCN has recognised following categories on the basis given above: A species is considered endangered when its natural regeneration is not able to keep pace with exploitation or destruction by natural and unnatural means. 1 only. Consider the following assumptions: (1) All known living organisms have parasites(2) A single host species can harbor more than one type of parasites(3) Parasites are species specificFrom the above information, it could be concluded that:Species of host organism is more than parasitesSpecies of parasites is more than host organismsNumber of parasites is equal to the number of hostsNo valid conclusion can be drawn Among the following which is NOT the correct explanation for high biodiversity in tropical rain forests?Long evolutionary timeMore surface areaHigh productivityMinimum competition (iii) taxa with populations that are still abundant but are under threat from serious adverse factors throughout their range. The range of animal and plant life in an ecosystem are being destroyed which is … Download CBSE Class 12 Biology Biodiversity and Conservation MCQs Set B in pdf, Biology chapter wise Multiple Choice Questions free, Q.1. Which vertebrate group is more vulnerable to extinction?Options:(a) Birds (b) Amphibians(c) Mammals (d) FishesAnswer=BQ.2 From origin of life to its diversification on earth, there have occurred following number of episodes of mass This Set Consists of 15 Questions. For example Indian Rhinoceros, Black buck, Asiatic lion, Great Indian Bustard are endangered species. Play this game to review Biology. 6. You have selected correct answer.","quick_result_wrong_answer_text":"Wrong! Please Click 'SUBMIT' button to see your 'SCORE' and 'CORRECT ANSWERS', (adsbygoogle=window.adsbygoogle||[]).push({}). These are the species or taxa facing extinction and whose survival is unlikely if the causal factors continue to operate. Invasive Species. Students can solve NCERT Class 12 Biology Biodiversity and Conservation MCQs Pdf with Answers to know their preparation level. The concept of ‘biodiversity hotspots’ originated from this organization. Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish? 7. The newly introduced species compete with the naturally occurring species for food and shelter and very often out compete the native species leading to the extinction. It proved to be a great threat for the native small Cichlid fish which is endemic to this lake. MCQs on Biodiversity : 1. Welcome to Ecology MCQ-08 (Biodiversity Conservation). ","incorrect":"The entered text is not correct! if(window.qmn_quiz_data===undefined){window.qmn_quiz_data=new Object()}This Set Consists of 15 Questions. For example, rising ocean temperatures and diminishing Arctic sea ice affects marine biodiversity and can shift vegetation zones, having global i… The probable reason is:Plants are not good in the uptake of nutrients in the northern hemisphereTemperature is low which is not suitable for nutrient recyclingHigh rainfall in the southern hemisphereSoil is nutrient deficient in the northern hemisphere For example, Nile Perch, an exotic predatory fish was introduced in the Victoria lake in South Africa. This contains 90 Multiple Choice Questions for NEET Test: Biodiversity And Its Conservation (Level 1) (mcq) to study with solutions a complete question bank. Most concepts revolve mainly around attaching a monetary value to nature to determine how natural resources can be used to generate maximum revenue. MCQ quiz on Biodiversity multiple choice questions and answers on biodiversity MCQ questions quiz on biodiversity objectives questions with answer test pdf. 1. Tropical forests are losing 14000- 40000 species every year. Fig: Threats to biodiversity (Habitat Loss). 1. The solved questions answers in this Test: Biodiversity And Its Conservation (Level 1) quiz give you a good mix of … The rare species have a population of less than 20,000 individuals. Some are naturally rare and are able to maintain much small number. Population. Southeast (SE) Asia holds high regional biodiversity and endemism levels but is also one of the world's most threatened regions. Their place has been taken by new species which were successful in adapting themselves in the new changed environment. Plants and animals living there die off gradually from lack of shelter and food to survive. Biodiversity typically measures variation at the genetic, the species and the ecosystem level. The main difference between the ‘Sixth extinction’ and the previous five extinctions is that, the sixth … Because of deforestation, decreased transpiration leads to. Species with small world population are termed as rare species. Animal biologist generally uses Line‐transect method for estimating density. The number of species community depends upon the date of extinction. 14. 11. Excessive withdrawal of water from wetlands, fishing, building of dams,jetties and canals have adversely affected the wetland ecosystems. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. It lists plants grown in protected areas. Type of biome in California and coastal regions of Mediterranean Sea is:TaigaSavannahChaparralsTropical deciduous forests Type of biome in California and coastal regions of Mediterranean Sea is: Among the following, a critically endangered plant species is: The area under the forest covers in India as per estimates of 2001 is: Among the following which plant family has been extensively used for the phytoremediation process? 5. Eichhornia and Lantana are two plants which strongly compete with the existing species. 1. Biodiesel is obtained from:Jatropha curcusCalotropisProsopisCatharanthus Habitat loss and fragmentation 2. over-exploitation 3. The threat is to the extent that many plants and animals are facing extinction. You have selected wrong answer. The conservation of biodiversity are of two types: 1. It is based on the assumption that. Aceclofenac is a potential threat to vultures. Overexploitation. They often overlook the fact that biodiversity is a decisive factor in the provision of ecosystem services. It is termed as. It identifies the sites known/ referred to as ‘Important Bird and Biodiversity Areas’. Please Share with Your Friends... MCQ on Biodiversity and Conservation Part 1. It clogs rivers and lakes and threatens the survival of many aquatic species. Covering 70 per cent of the … CBSE Class 10 Maths Questions and Answers, CBSE Class 10 Science Questions and Answers, the decline in number of population in course of time, abundance and quality of natural habitat and, Biology and potential value of the species. Wular, Dal and Chilika lakes and wetlands of Andaman and Nicobar Islands have been seriously affected. Pollution affects the stability of ecosystem resulting in the reduction of biodiversity. Various natural and human activities have made the habitats unsuitable for several species of plants and animals. The red list of threatened species prepared by IUCN  lists 132 species of plants and animals as Critically Endangered, the most threatened category from India. MCQ Biostatistics MCQ Botany MCQ Zoology MCQ, Lecture NotesBiology PPTVideo TutorialsBiology MCQQuestion BankDifference betweenPractical AidsMock Tests (MCQ)Biology Exams, Your email address will not be published. Pollution. All types of ecosystems are showing rapid change. In which of the following Indian states the tiger is NOT found in wild:PunjabRajasthanUPArunachal Pradesh If the same factor continues to operate as before the species is likely to extinct very soon. Biodiversity and its conservation Questions: MCQs Test - 01, Total Questions 15 Botanical Survey of India has a Green book  which has a list of hundreds of rare plants . (adsbygoogle = window.adsbygoogle || []).push({}); Biodiversity is under serious threat due to human activities. Oil spillage alone accounts for the death of 50000 to 250000 birds every year. Biodiversity. SURVEY . Excessive exploitation of certain species by human beings have resulted in their extinction. Which of the following … It results in complete loss of biodiversity of the region. Unplanned development, cutting of forests, over exploitation of natural resources, use of forest land for human settlements and industries are some of the human activities which have disturbed the natural habitats. All these factors have lead to the loss of natural habitats due to which several plants animals and microorganisms have become extinct or facing extinction. 1, 2 & 3. For instance, mangroves have been clea… ","number":"This field must be a number! Threats to biodiversity includes habitat loss and fragmentation, over exploitation, pollution, introduction of non native species or exotic species, etc. They can represent the category of endangered species if unfavourable conditions in the environment continue to operate. The ecosystem having the longest energy transfer time is:Tropical rain forestOpen OceanDesertTemperate Deciduous forest Plants or species whose population numbers are decreasing and likely to become severely threatened with time. A. Biodiversity And Conservation MCQs Let's see some important Biodiversity And Conservation MCQs. Biodiversity is fast depleting. Marine Environment: Oceans play a vital role in the global environment. ","empty":"Please complete all required fields! Threats to Biodiversity The core threat to biodiversity on the planet, and therefore a threat to human welfare, is the combination of human population growth and resource exploitation. Examples of endangered species due to over collection are Madonna lily (Lilium candidum) of Europe, Saguaro cactus (Carnegiea gigantea) of North America, etc. Eichhornia or water hyacinth grows vigorously in lakes and ponds becoming a great threat to the underline plants and animals. This MCQ set consists of Ecology and Environmental Sciences Multiple Choice Questions from the topic Biodiversity and Conservation Part 1 with Answer Key. 2. Which of the above statements is/are correct. Be it water, air, or land pollution, all forms of pollution appear to be a threat to all life forms … 60 seconds . Biodiversity Tnpsc Gk questions and answers for competitive exams like Tnpsc Group 1, Group 2, Group 4 and Vao Questions and Answers. Tags: Question 13 . Get help with your Biodiversity homework. 8. In which of the following Indian states the tiger is NOT found in wild: Among the following which is NOT the correct explanation for high biodiversity in tropical rain forests? The list includes 18 species of amphibians, 14 fishes and 10 mammals. Your email address will not be published. "},"first_page":!0}Time is Up!CancelSubmit Quiz. The range of animal and plant life in an ecosystem are being destroyed which is leading to extinction of species. The reduction of large areas rich in biodiversity into small pockets due to the establishment of agricultural fields, roads and other developmental projects play vital role in loss the of biodiversity. Quiz competition or Quiz contest is one of the best ways to educate your employees, workers, and … According to the World Conservation Monitoring Centre approximately 533 animal species and 384 plant species have become extinct during the last 500 years. Changes in climate throughout our planet's history have, of course, altered life on Earth in the long run — ecosystems have come and gone and species routinely go extinct.But rapid, manmade climate change speeds up the process, without affording ecosystems and species the time to adapt. Natural calamities such as volcanic eruptions, earthquake, glaciation, long periods of droughts, heavy or very little rainfall and diseases are great threats to biodiversity. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 15 Biodiversity and Conservation. It is termed asα‐Diversityβ-Diversityγ‐Diversityδ‐DiversityYou have reached at the end of the questions.Please Click 'SUBMIT' button to see your 'SCORE' and 'CORRECT ANSWERS' Natural calamities such as volcanic eruptions, earthquakes etc., cause mass extinction. Students can solve NCERT Class 12 Biology Biodiversity and Conservation MCQs Pdf with Answers to know their preparation level. 13. Please click "NEXT" Button to Start the Ecology MCQ 07.. You have reached at the end of the questions. After marking your answers, please click ‘SUBMIT‘ button to see your ‘SCORE‘ and ‘CORRECT ANSWERS‘.

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Most of the trees of India in the tropical forest belongs to the family:ArecaceaeFabaceaeDipterocarpaceaeBromeliaceae Fig: Threats to biodiversity (Great Indian Bustard). Biodiversity and Its Conservation Multiple Choice Questions and Answers 1. Please click "NEXT" Button to Start the Ecology MCQ 07.. Q. Human beings are entitled to a healthy and productive life in harmony with nature. Similarly, Lantana camara has invaded many forests in several parts of the country and it strongly competes with the inhabitants species. This MCQ set consists of Ecology and Environmental Sciences Multiple Choice Questions from the topic Biodiversity and Conservation of Nature Part 2 with Answer Key. Over hunting particularly illegal poaching, over collection remain a serious threat to species and significant cause for extinction of many species. 9. Rapid industrialization, urbanization, and growth in population have resulted in massive deforestation and consequential habitat loss around the world. These are the taxa suspected of belonging to one of the first three categories but for which insufficient information is currently available. Many countries have their own Red Data Book. 3 only. Among the following, a critically endangered plant species is:Dipterocarpus nilgirinsesisSaraca indicaCupressus cashmerianaTerminalia arjuna Most of the extinct animals are vertebrates and extinct plants are angiosperms. Such species are growing naturally today and are not vulnerable or endangered but are at risk. 3. A biodiversity hot-spot is characterized by:Endemic plantsEndemic flowering plantsSpecies of flowering plantsThreat perception Pollution, urbanisation, deforestation, mining, cultivation, drying out wetlands, etc., are all ways to destroy a natural area. Which threat to biodiversity is the number one cause of loss of biodiversity? III. 15. Pollution. As against Red Data Book there is a Green book. Biology Important Questions Class 12 are given below.. 12. Coral reef ecosystem are also facing threats due to discharge of effluents from industries and thermal power plants, chemical pollution in oil spillage. Among the following which plant family has been extensively used for the phytoremediation process?PoaceaeBrassicaceaeMalvaceaeAnnonaceae The area under the forest covers in India as per estimates of 2001 is:708,273 square km12.7 square km20.6 X 10 square km1666 square km Biodiversity And Conservation MCQs Let's see some important Biodiversity And Conservation MCQs. Alien species invasions and 4. co-extinctions conservation of biodiversity means the conservation of gene complexes, species and ecosystem, Biodiversity is essential to global food security and nutrition. Terrestrial land, lakes, marshes, rivers and wetlands in the country are threatened by domestic pollution from sewage, industrial pollutants and toxic effluents. Most of the trees of India in the tropical forest belongs to the family: In Northern Hemisphere, there is a slow turnover of nutrient in the terrestrial ecosystem as compared to Southern Hemisphere. The main difference between the ‘Sixth extinction’ and the previous five extinctions is that, the sixth … They are under constant stress due to natural and human activities. Among the following which group of animals has the maximum number of endangered and critically endangered species as per the IUCN Red List?AmphibianReptileMammalsAves Dear Students, Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Q. The answer key is prepared with best of our knowledge. The evolutionary history of earth shows that many species, which formed dominant flora and fauna during a geological period disappeared completely due to the changes in the habitat and climatic conditions. Multiple Choice Questions Climate change and pollution from chemical contaminants certainly posses a further threat to species and ecosystems. 10. Enter your e-mail address. IUCN has defined red data categories which specifies state of extinction process. Today, major loss to biodiversity in the world has been done by man. The human population requires resources to survive and grow, and those resources are … In lakes and wetlands of Andaman and Nicobar Islands have been seriously affected of nutrient in the environment a... A natural area, and growth in population have resulted in massive deforestation and consequential habitat loss and fragmentation over! Biodiversity Tnpsc Gk Questions and Answers 1 the trees of India has a of! Of 21st century, earth may lose 50 % of its species and canals have adversely affected wetland... 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