| 1.Which of the following are responsible for the magnification of images in a microscope? (1)Condenser (2)Lens in objective (3)Mirror (4)Lens in eyepiece A (2)and(4)only 2.How are unicellular organisms different from the more complex organisms? C Unicellular organisms do not have tissues 4.When perparing a temporary slide of banana tissue,the piece of banana has to be squashed first.Why? C To prevent the overlapping of the cells 5.In terms of function,the vascular tissues in dicotyledonous plants are similar to which of the following systems in humans? A Respiratory system B Circulatory system C Excretory system D Digestive system *英國冇教* 6.Which of the following shows the correct order of increasing similarity among individuals? C phylum,class,genus,species 11.Which of the following reagents,if used to test fresh orange juice,will give a positive results? (1)Benedict's solution (2)Albustix paper (3)DCPIP solution (4)Iodine solution A(3)only B(1)and(3)only C(2)and(4)only D(1),(2)and(3)only *英國冇教* 12.Which of the following statements about minerals is correct? B Different minerals are needed in different amount 14.Which of the following statement is FALSE? A Vitamin C helps to build up resistance in infections 15.Severely starved adults become very thin.It is because D they do not have excess carbonhydrates to convert into fat |
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