\( \begin{array}{ll}\text { Match the nutrition terms. } \\ \begin{array}{ll}\text { a fat with multiple double } \\ \text { bonds(sunflower oil) }\end{array} \\ \begin{array}{ll}\text { a simple carbohydrate } & \text { 1. Polysaccharide } \\ \text { (sugar) }\end{array} \\ \begin{array}{ll}\text { a complex carbohydrate } & \text { 2. Monosaccharide } \\ \text { (starch) }\end{array} \\ \begin{array}{ll}\text { a fat with one double bond } & \text { 4. Polyunsaturated } \\ \text { (olive oil) }\end{array} \\ \begin{array}{ll}\text { a fat with single bonds } \\ \text { (lard) }\end{array} & \text { 5. Saturated }\end{array} \)

Choose the most suitable answer. IMark Mushrooms and mould belong to the group of living things called fungi. How are they similar? P They cannot make their own food. Q They reproduce from spores. R They can only be seen with a microscope.

3. Which of the ff. is a producer? \( \begin{array}{ll}\text { a. fish } \quad \text { b. shrimp } \quad \text { c. algae } \quad \text { d. crab }\end{array} \) \( \begin{array}{l}\text { 4.All the organisms below are decomposers except } \\ \text { a. fungi } \quad \text { c. bacteria } \\ \text { b. sea lion } \quad \text { d. fungi and bacteria } \\ \text { 5. Arrange the feeding relationship of the ff. organisms living in } \\ \text { intertidal zone }\end{array} \) Fish ------seaweeds------shore birds

An unknown microbial specimen measures 18 millimetres under a total magnification of 400 x , when examined under the microscope. What is the actual size of the unknown specimen? \( \begin{array}{ll}\text { (A) } 45 \text { micrometres. Total magnification }=400 x \\ \text { (B) } 4.5 \text { micrometres. } \quad \frac{18}{400 x}=0.045 \mathrm{~mm} \\ \text { (C) } 0.45 \text { micrometres. } \\ \text { (D) } 0.045 \text { micrometres. } & \text { micrometers }=0.045 \times 1000=45 \text { micrometers }\end{array} \)

22 Which of the following statements about Staphylococcus aureus is correct? \( \begin{array}{ll}\text { (A) } & \text { It is a mesophilic microorganism. } \\ \text { (B) } \quad \text { Cells will appear pink after Gram staining. } \\ \text { (C) } \quad \text { Enterotoxins produced are easily destroyed by heat. } \\ \text { (D) } \quad \text { It does not thrive well in an oxygen-rich environment. }\end{array} \)

Which of the following anterior teeth have a cingulum that is located off-center toward the distal? a) Maxillary lateral incisorb) Maxillary caninec) Mandibular central incisord) Maxillary central incisor