Letter of Complaint

CAPSam Ex a c t i cePrBe  10 rad Gk o o  
Grade  10      
    LIFE  SCIENCES     PRACTICE  TEST  ONE     Marks:  75  QUESTION  1     Various  possible  answers  are  provided  for  each  question.  W rite  only  the  letter  of  the  correct   answer  next  to  the  corresponding  number.     1.1   Each  new  cell  produced  by  mitosis  will  have  …     A   half  the  number  of  chromosomes.   B   a  full  set  of  chromosomes.   C   twice  the  number  of  chromosomes.   D   two  new  nuclei.     1.2   Which  of  the  following  is  NOT  a  function  of  mitosis?       A   growth     B   repair   C   asexual  reproduction  in  unicellular  organisms   D   the  formation  of  sex  cells     1.3   If  a  cell  divides  by  mitosis,  how  many  cells  will  there  be  after  three  divisions?     A   3  cells   B   4  cells   C   8  cells   D   16  cells     1.4   Study  the  following  diagram.    (2)  (2)  (2)       The  chromosome  number  of  the  cell  is  …       A   B   C   D     1.5     2   4   6   8  (2)  In  a  cell  nucleus,  the  thread-­like  structures  are  called  …   A   B   C   D   centrioles.   centrosomes.   centromeres.   chromosomes.  (2)      
1.6     The  organelles  that  synthesise  proteins  are  called  …   A   B   C   D     1.7     ribosomes.   mitochondria.   chloroplasts.   nucleoli.  (2)  The  part  of  the  plant  cell  responsible  for  providing  support  is  …       A   the  cell  wall  only.   B   the  vacuole  only.   C   the  cell  wall  and  nucleus.   D   the  cell  wall  and  vacuole.   Which  of  the  following  plant  tissues  does  NOT  play  an  important  role  in  supporting  a   plant?   A   B   C   D   collenchyma   schlerenchyma   parenchyma   xylem  (2)     1.8    (2)     1.9    The  correct  term  for  the  loss  of  water  from  a  leaf  surface  is  …   A   B   C   D  …

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