5. Describe the health damage that STDs can cause. 6. State the symptoms of each of the following STDs: \( \begin{array}{ll}\text { a. chlamydia } & \text { c. HPV } \\ \text { b. gonorrhea } & \text { d. scabies }\end{array} \) \( \begin{array}{l}\text { 7. State the treatment of each of the following STDs: } \\ \begin{array}{ll}\text { a. HIV } & \text { c. trichomoniasis } \\ \text { b. genital herpes } & \text { d. syphilis }\end{array} \\ \text { 8. LIFE SKILI Practicing Wellness List four things } \\ \text { you should do if you suspect you have been } \\ \text { exposed to an STD. }\end{array} \) Critical Thinking 9. Can a person have more than one STD at one

23 Which one of the following microorganisms moves using flagellum? (A) Amoeba. (B) Euglena. (C) Paramecium. (D) Plasmodium. Which one of the following is NOT a heterotrophic microorganism? \( \begin{array}{ll}\text { (A) } \quad \text { Diatoms. } \\ \text { (B) } \quad \text { Sarcodines. } \\ \text { (C) } \quad \text { Sporozoans. } \\ \text { (D) }\end{array} \)

(A) (i) Describe TWO disadvantages of using Replicate Organism Detection And Counting (RODAC) plate during a surface swab. (ii) Explain TWO purposes of conducting a hand swab test. 12 m

(C) State TWO ways in which fermentation process helps to improve [2 marks] quality of food products.

8 Which of the following is a type of universal media? (A) MacConkey Agar. (B) Baird-Parker Agar. (C) \( \quad \) Mannitol Salt Agar. (D) Trypticase Soy Agar. 9

(B) State TWO ways in which flagellum helps a microorganism survive in an open environment. (2 ma All rights reserved. No part of this publication may be reproduced, stored in a retrieval sys transmitted in any form or by any means, electronic, mechanical, photocopying, reco otherwise, without the prior written permission of the Institute of Technical Education, Singapo Institute of Technical Education has made every effort to trace copyright holders, but if inadvertently overlooked any, we will be pleased to make the necessary arrangements a