Quelpr
1 markReproduction and Growth

CSEC Integrated Science · May/June 2016 · Paper 2 · Question 1(a)(v)

Vanessa runs an orange and mango orchard and grows corn and beans several times a year.

Suggest ONE reason why it is important for bees to visit the orchard flowers, given advice not to use harmful pesticides.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)(i)State ONE asexual method of reproduction in plants.[1 mark]
  2. 1(a)(ii)Name ONE male part of the flower.[1 mark]
  3. 1(a)(iii)Name ONE female part of the flower.[1 mark]
  4. 1(a)(iv)State TWO advantages of asexual reproduction.[2 marks]
  5. 1(b)(i)Explain scientifically how scents from orchard flowers travel to the house to cause nausea during pregnancy.[2 marks]
  6. 1(b)(ii)State TWO advantages of surgical contraception and ONE disadvantage compared with other methods.[3 marks]
  7. 1(b)(iii)Explain the biological significance of (1) the growth and thickening of the uterine lining, and (2) menstruation when not pregnant.[3 marks]
  8. 1(c)(i)Plot the data from Table 1 on the grid provided in Figure 1.[4 marks]
  9. 1(c)(ii)Draw the best straight line to show the trend on Figure 1, extending it to cut the x-axis.[2 marks]
  10. 1(c)(iii)Label the axes on the graph.[2 marks]
  11. 1(c)(iv)State an appropriate title for the graph.[1 mark]
  12. 1(c)(v)Using the graph, determine the average height of the corn on the 11th day.[1 mark]
  13. 1(c)(vi)Determine how long after planting the corn plants emerged from the soil.[1 mark]

More practice: the rest of this paper · more Reproduction and Growth questions · all CSEC Integrated Science past papers