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2 marksCell Structure and Specialisation

CSEC Human and Social Biology · May/June 2014 · Paper 2 · Question 2(a)(i)

Plant cell structure, organelles, comparison to viruses, specialized human cells, and characteristics of living organisms.

Name the organelles labelled A and B in Figure 2.

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Other parts of this question

  1. 2(a)(ii)State ONE function of EACH of the organelles labelled C and D in Figure 2.[2 marks]
  2. 2(b)(i)Identify ONE feature that is common to both a virus and a typical plant cell when viewed under a microscope.[1 mark]
  3. 2(b)(ii)Suggest TWO differences that would be observed between the virus and the typical plant cell under a microscope.[2 marks]
  4. 2(c)(i)Name the cell labelled Y in Figure 3.[1 mark]
  5. 2(c)(ii)Are the cells in Figure 3 classified as differentiated or undifferentiated?[1 mark]
  6. 2(d)Children in a pre-school breathe deeply while running around in a park. They laugh a lot even when they are hurt, and they run to mummy for a snack. Name THREE…[3 marks]
  7. 2(e)Bernadette tells Georgiana that a flame is a living organism because it moves, grows and reproduces by sparks. Is Bernadette correct? Explain your answer.[3 marks]

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