CUET UG BIOLOGY CHAPTERWISE TEST SERIES: CUET NTA Leave a Comment / CUET, CUET UG / By Pradeep Join Now Here is the chapter-wise/topic-wise test series of biology for CUET UG aspirants. Biodiversity and environmental issues 6 Created on May 18, 2023 By Pradeep Biodiversity and environmental issues(Biology) 1 / 10 A plant species X is found in only western ghats. In which of the following category the species comes? Endemic Endangered Migratory Extinct 2 / 10 The world's most problematic aquatic weed, also known as "Terror of Bengal" is Lantana camara Parthenium hysterophorus (Congress grass) Eichhornia crassipes (Water hyacinth) Cynodone dactylon (Doob grass) 3 / 10 In the absence of carbon dioxide the earth will be None of the above As hot as Thar desert As green as rain forest As cold as moon 4 / 10 Consider the following statements about biodiversity(A) It refers to only the fauna found in a particular area(B) It refers to the total number of individuals of a particular species found in the given area(C) It refer to the different kind of species of flora and fauna present in the given area(D) it is maximum in forestsThe correct statements is/are only B and D A. B and D only C and D only D 5 / 10 A-in, B-iv, C-i, D-ii A-iv. B-i, C-ii, D-iii A-i, B-i, C-iv, D-ii A-i, B-ii, C-ii, D-iv 6 / 10 Species-area relationship was given by David Tilman Robert May Paul Ehrlich Alexander von Humboldt 7 / 10 "Jared Diamond has described "the evil quartet"; the four major causes of biodiversity losses." Which of the following alternative is not includedin the quartet? Co-extinctions Pollution Habitat-loss and fragmentation Over-exploitation 8 / 10 What is the full form of FOAM with regard to environmental pollution management? Friends Of Arctic Marsh Friends Of Antarctic Marsh Fellows Of Arctic Marsh Friends Of Arcata Marsh 9 / 10 Due to excess of fertilizers and sewage a lot of nitrogen is produced in water bodies which causes excessive growth of algae & depletion inoxygen levels, what is the name of this process? Eutrophication Biomagnification None of the above Global Warming 10 / 10 Which of the following statement is NOT true? Overgrazing causes deforestation. Loss of biodiversity causes deforestation. Deforestation lowers the ground water level. Soil erosion causes desertification. Your score is The average score is 38% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Populations & Ecosystems 3 Created on May 19, 2023 By Pradeep Populations & Ecosystems(Biology) 1 / 15 Which of the following is a renewable resource? Natural gas Coal Petroleum Solar energy 2 / 15 The ozone layer is found in which layer of the Earth's atmosphere? Thermosphere Troposphere Stratosphere Mesosphere 3 / 15 The process by which plants release water vapor into the atmosphere is called: Transpiration Evaporation Photosynthesis Respiration 4 / 15 The maximum number of individuals that an environment can sustain for an indefinite period is known as: Density-dependent factor Limiting factor Carrying capacity Ecological niche 5 / 15 The process by which nitrogen gas from the atmosphere is converted into a usable form by bacteria is called: Ammonification Denitrification Nitrification Nitrogen fixation 6 / 15 Which of the following is an example of a decomposer? Mushroom Deer Snake Lion 7 / 15 The relationship between a predator and its prey is an example of: Mutualism Commensalism Parasitism Predation 8 / 15 The first organism in a food chain is always a: Consumer Producer Scavenger Decomposer 9 / 15 The term "biodiversity" refers to: The variety of species in an ecosystem The interaction between biotic and abiotic factors The number of individuals in a population The rate of population growth 10 / 15 The process by which individuals of a population are distributed in a given area is called: Immigration Dispersion Migration Emigration 11 / 15 Which of the following terms refers to all the populations of different species living in a particular area? Ecosystem Community Biosphere Population 12 / 15 Which of the following is an example of an abiotic factor? Predation Parasitism Temperature Competition 13 / 15 The number of trophic levels in an ecosystem is usually limited to: 5 3 2 4 14 / 15 Which of the following is a density-independent factor that affects population growth? Competition Natural disasters Predation Disease 15 / 15 Which of the following is a greenhouse gas? Carbon dioxide Nitrogen Hydrogen Oxygen Your score is The average score is 26% LinkedIn Facebook Twitter VKontakte 0% Restart quiz