Exercise For Year 6

1.       Which of the following are living things? I   Humans      III  Animals II   Plants        IV  Microorganisms A.  I only          B.  II and III only C.  I, II and III only D.  I, II, III and IV 2. What will be the effects on the environment if logging on hill slopes is carried out excessively? I  Soil erosion II  Landslide III  Flash flood IV  Destruction of habitats    A.        I and II    B.         I, II and III    C.         II, III and IV D.        I, II, III and IV   3. We can feel the movement of our chests all the time. This movement shows that humans________. A.  grow          C.  excrete B.  breathe       D.  reproduce 4.  Living in groups enables animals to ______. I  look for food more effectively II  avoid interaction among them III  reduce competition for food IV  defend themselves better A.  I and IV       C.  II and IV             B.  II and III     D.  III and IV 5. Table 1 shows the population of animal P in a forest from 2007 to 2010.    Year 2007 2008 2009 2010 Number of P in the forest 250 200 150 100   Which of the following could have caused this? A.        Animal P has limited mating partners B.         Animal P has stopped reproducing C.         Animal P is threatened with extinction D.        Animal P faces competition from other animals