Final Exam (page 1 of 5) August 2021/2022 academic session PDF

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The final exam questions for ENVS 1301 for the 2021/2022 academic session, from question 1 to question 10....

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Home  My courses  ENVS 1301 - AY2021-T5  Final Exam (Days 1 - 4)  Final Exam

Question 1

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Which statement best describes sympatric speciation? Select one: a. Sympatric speciation is speciation without genetic separation. b. Sympatric speciation is speciation without reproductive separation. c. Sympatric speciation is speciation without geographic separation. d. Sympatric speciation is speciation without any separation. Clear my choice

Question 2

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The carrying capacity: Select one: a. occurs at the end of exponential growth. b. is the largest population size that can be supported without harming the environment. c. can only be surpassed with signicant harm to the population. d. all of the above. Clear my choice

Question 3

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Which statement is incorrect? Select one: a. Humans are largely responsible for recent climate change. b. Scientic consensus on climate change does not exist. c. Nitrous oxide is a greenhouse gas. d. Both A and B Clear my choice

Question 4

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A scientic theory is: Select one: a. an educated guess. b. a guess about how or why something happens. c. a statement that describes what always happens under certain conditions in nature. d. an explanation for events that are generally accepted as true. Clear my choice

Question 5

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A good hypothesis must be: Select one: a. logical. b. based on scientic knowledge. c. falsiable d. all of the above Clear my choice

Question 6

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The correct sequence of risk assessment is: Select one: a. risk characterization, hazard identication, toxicity assessment, exposure assessment b. exposure assessment, hazard identication, toxicity assessment, exposure assessment c. toxicity assessment, hazard identication, exposure assessment, risk characterization d. hazard identication, toxicity assessment, exposure assessment, risk characterization. Clear my choice

Question 7

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In the carbon cycle, autotrophs: Select one: a. remove carbon from the atmosphere during cellular respiration. b. release carbon to the atmosphere during photosynthesis. c. remove carbon from the atmosphere during photosynthesis. d. remove oxygen from the atmosphere during photosynthesis. Clear my choice

Question 8

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Which of the following is not correct of desalination? Select one: a. Desalination removes dissolved salt from seawater. b. Desalination is an inexpensive method. c. Desalination has high environmental impact. d. Desalination may involve boiling or ltration. Clear my choice

Question 9

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Habitat loss and overharvesting are a direct result of: Select one: a. human population growth b. resource use c. both A and B d. mobility and trade e. both B and D Clear my choice

Question 10

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Mutations: Select one: a. have a great eect on allele frequencies. b. can always be passed to ospring. c. are how all new alleles rst arise. d. all of the above Clear my choice

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