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2 marksTransport Systems

CSEC Biology · January 2020 · Paper 2 · Question 1(b)(ii)

Differentiate between the transport needs of a unicellular animal and a multicellular animal.

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Other parts of this question

  1. 1(a)(i)Briefly describe the process of transpiration in plants. Your description must include the names of TWO of the organs involved in transpiration.[4 marks]
  2. 1(a)(ii)Use the grid on page 5 to draw a graph of the results.[9 marks]
  3. 1(a)(iii)Using the results from Table 1, state how the rate of transpiration changes as the relative humidity changes.[1 mark]
  4. 1(a)(iv)Suggest TWO ways by which the results given in Table 1 support your answer in (a)(iii).[2 marks]
  5. 1(a)(v)A farmer observed that his plants wilted during the day but recovered at night. Suggest to the farmer ONE reason for this occurrence.[1 mark]
  6. 1(b)(i)Suggest TWO ways in which the animal transport system and the plant transport system are different.[4 marks]
  7. 1(b)(iii)Both plants and animals need to store food. With reference to ONE storage site in animals, explain why food storage is important.[2 marks]

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