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Biology Grade 12 Unit 6: CLIMATE CHANGE

national exam questions have come from this unit. It runs 22 pages; one careful study pass takes about 1.4 hours, and its difficulty is harder among Biology units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.

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6.1 Climate Change: Causes and effects · read p. 333
Not asked in a national paper yet.
6.1.1 Definition of Climate Change · read p. 333
  • 2016 E.C., Q48 – Among the following statements, one briefly describes the concept of climate change. It is the
6.1.2 Causes of climate change · read p. 334
  • 2017 E.C., Q96 – Several current studies point out that very large quantity of greenhouse gases have been added into Earth's atmosphere due to human activities. What would be the most likely responsible gas and its major sources, respect
  • 2017 E.C., Q47 – Which of the following is the cause and effect of global warming, respectively?
  • 2016 E.C., Q49 – As a result of human activities, huge amount of carbon dioxide has been accumulated in the atmosphere. What is the consequence of this phenomenon?
  • 2015 E.C., Q12 – Stanley Miller conducted spark-discharge experiment by taking a mixture of gases that he thought to represent the primitive atmosphere of the Earth. All of the following were found in his gas mixture EXCEPT
  • 2011 E.C., Q49 – The most abundant inorganic molecule in the atmosphere that traps heat is:
6.2 Effects of climate change · read p. 339
Not asked in a national paper yet.
6.2.1 Effects of climate change on biodiversity · read p. 340
Not asked in a national paper yet.
6.2.2 Effects of climate change on Agriculture · read p. 341
Not asked in a national paper yet.
6.2.3 Effect of climate change on forest productivity · read p. 342
Not asked in a national paper yet.
6.2.4 Climate change and natural disasters · read p. 343
Not asked in a national paper yet.
6.3 International conventions · read p. 348
Not asked in a national paper yet.
6.3.1 The United Nations Framework Convention · read p. 350
Not asked in a national paper yet.
6.3.2 Kyoto Protocol on Climate Change · read p. 350
  • 2016 E.C., Q50 – What was the main objective of the United Nations Framework Convention on Climate Change (UNFCCC)?
6.3.3 International and national practices of Implementation of conventions · read p. 351
Not asked in a national paper yet.