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QUESTION 4   Read the article on malaria and answer the questions that follow.         Right click on the button to open the article in a new window.    

  SECTION A                                                                                                                        (10)   QUESTION 1 (5)   Multiple choice questions: Read the questions carefully, each question has three possible answers. Type the correct letter (A; B; C) of the answer of your choice.

1.4 Protists and viruses are types of … (1)

1.2 Examine the following picture, provide the name of the artist and describe his style of work briefly. (2)   Right click and open the following image in a new tab.         

4.8 Looking at the information in the text, do you think it is important that an effective malaria vaccine is developed as soon as possible? Give a reason for your answer. (2)

4.6 How would the government know how many people are infected with malaria? (1)

5.7 Which of the four metal rods that Ty tested (aluminium, copper, iron and stainless steel) would the candle stay on the longest? Explain your answer. (2)

QUESTION 6   There are two types of mechanical energy: kinetic energy and gravitational potential energy.   Equations to use: Ekinetic = ½ mv2 Egrav = mgh   Remember that g = 10 m/s2  

2.3 Group 1 metals are very reactive when placed in water. Name the TWO products that form when potassium reacts with water. (2)

1.5 Read the following statements about micro-organisms.   1. Some micro-organisms cause disease. 2. Antibiotics are effective against all micro-organisms. 3. All bacteria are classified as micro-organisms. 4. Some fungi are classified as micro-organisms.     Which of these statements are correct? (1)