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biology exemplar problems 98 chapter 14 ecosystem multiple choice questions 1 decomposers like fi c eri re i o rops ii e ero rops iii spro rops i cemo o ...

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                                                                                                          BIOLOGY, EXEMPLAR PROBLEMS
                       98
                    CHAPTER 14
                    ECOSYSTEM
                                                 MULTIPLE-CHOICE QUESTIONS
                         1.    Decomposers like fi  c eri re­
                                 i.    o rop€s
                                ii.   €e ero rop€s
                                iii.  spro rop€s
                                i‚.   c€emoƒ o rop€s.
                               „€oose  €e correc  s…er­
                                      †‡ i  iii,     †‡ i  i‚      †c‡ ii  iii,    †‡ i  ii
                         ˆ.    ‰€e process of mierlis io Š micro orisms €elps i  €e relese of­
                                .    ioric  rie s from €ms
                                .    o € oric  ioric  rie s from e ri s
                                 c.   oric  rie s from €ms
                                .    ioric  rie s from e ri s  form io of €ms.
                         ‹.    Proc i‚i Š is  €e r e of proc io of iomss eŒpresse i  erms of­
                                 i.   †kcl m–‹       –1
                                                  ‡ Šr
                                        –ˆ   –1
                                ii.     Šr
                                        –1   –1
                                iii.    Šr
                                                –ˆ    –1
                                i‚.   †kcl m ‡ Šr
                                      †‡ ii,   †‡ iii,  †c‡ ii  i‚,    †‡ i iii
                         ‘.    A i‚er e pŠrmi of iomss c e fo i …€ic€ ecosŠs em’
                                .    “ores 
                                .    Mrie
                                 c.   Grss l
                                .    ‰r
                                                                                                                               20/04/2018
          E„OSYS‰EM                                                                 99
             ”.  •€ic€ of  €e follo…i is o   procer’
                  .  Spirogyra
                  .  Agaricus
                  c.  Volvox
                  .  Nostoc
             –.  •€ic€ of  €e follo…i ecosŠs ems is mos  proc i‚e i  erms of e 
                 primrŠ proc io’
                  .  Deser s
                  .  ‰ropicl ri fores s
                  c.  Oces
                  .  Es ries
             —.  PŠrmi of mers is­
                  .  Al…Šs pri€ 
                  .  Al…Šs i‚er e
                  c.  E €er pri€  or i‚er e
                  .  ˜ei €er pri€  or i‚er e.
             8.  ApproŒim elŠ €o… mc€ of  €e solr eerŠ  €  flls o  €e le‚es of 
                 pl  is co‚er e  o c€emicl eerŠ Š p€o osЁ €esis’
                  .  Less  € 1™
                  .  ˆƒ1š™
                  c.  ‹š™
                  .  ”š™
             9.  Amo  €e follo…i, …€ere o Šo  €ik  €e process of ecomposi io
                 …ol e  €e fs es ’
                  .  ‰ropicl ri fores 
                  .  A rc ic
                  c.  DrŠ ri reio
                  .  Alpie reio
            1š.  ›o… mc€ of  €e e  primrŠ proc i‚i Š of   erres ril ecosŠs em is
                 e e  ies e Š €eri‚ores’
                  .  1™
                  .  1š™
                  c.  ‘š™
                  .  9š™
                                                                                   20/04/2018
                                                                     BIOLOGY, EXEMPLAR PROBLEMS
               1šš
                            11.  Dri  €e process of ecoloicl sccessio  €e c€es  €   ke plce
                                 i commi ies re­
                                  .  OrerlŠ  seœe il
                                  .  Rom
                                  c.  žerŠ œick
                                  .  ˜o  iflece Š  €e p€Šsicl e‚irome .
                            1ˆ.  „limŒ commi Š is i  s  e of­
                                  .  oƒeœilirim
                                  .  eœilirim
                                  c.  isorer
                                  .  cos   c€e.
                            1‹.  Amo  €e follo…i ioƒeoƒc€emicl cŠcles …€ic€ oe oes o  €‚e
                                 losses e  o respir io’
                                  .  P€osp€ors
                                  .  ˜i roe
                                  c.  Slp€r
                                  .  All of  €e o‚e
                            1‘.  ‰€e seœece of commi ies of primrŠ sccessio i … er is­
                                  .  p€Š oplk o, sees, freeƒflo i €Šrop€Š es, roo e
                                      €Šrop€Š es, rsses   rees.
                                  .  p€Š oplk o, freeƒflo i €Šrop€Š es, roo e €Šrop€Š es,
                                      sees, rsses   rees.
                                  c.  freeƒflo i €Šrop€Š es, sees, p€Š oplk o, roo e
                                      €Šrop€Š es, rsses   rees.
                                  .  p€Š oplk o, roo e smere €Šrop€Š es, flo i
                                      €Šrop€Š es, ree s…mp, sees, meo…   rees.
                            1”.  ‰€e reser‚oir for  €e seos  Špe of ioƒeo c€emicl cŠcle eŒis s i
                                  .  s r osp€ere
                                  .   mosp€ere
                                  c.  ioosp€ere
                                  .  li €osp€ere
                            1–.  If  €e cro  oms fiŒe Š procers lreŠ €‚e psse  €ro€
                                  €ree species,  €e  rop€ic le‚el of  €e ls  species …ol e.
                                  .  sc‚eer
                                  .   er irŠ procer
                                  c.   er irŠ cosmer
                                  .  secorŠ cosmer
                                                                                   20/04/2018
                E„OSYS‰EM                                                                                                        1š1
                  1—.     •€ic€ of  €e follo…i  Špe of ecosŠs em is eŒpec e i  re …€ere
                          e‚por io eŒcees precipi  io,  me l rifll is elo…
                          1ššmm
                           †‡    Grssl
                           †‡    S€rŠ fores 
                           †c‡    Deser 
                           †‡    Mro‚e
                  18.     ‰€e Ÿoe    €e ee of  lke or oce …€ic€ is l er i‚elŠ eŒpose  o
                          ir  immerse i … er is clle­
                            .    Pelic Ÿoe
                            .    Be €ic Ÿoe
                            c.    Le ic oe
                            .    Li  orl Ÿoe
                  19.     Ep€ic fc or refers  o­
                            .    • er
                            .    Soil
                            c.    Rel i‚e €mii Š
                            .    Al i e
                  ˆš.     •€ic€ of  €e follo…i is  ecosŠs em ser‚ice pro‚ie Š   rl
                          ecosŠs em’
                            .    „Šcli of  rie s
                            .    Pre‚e io of soil erosio
                            c.    Poll   sorp io  rec io of  €e  €re  of lol …rmi
                            .    All of  €e o‚e
                                      VERY SHORT ANSWER TYPE QUESTIONS
                    1.    ˜me  orism fo s secorŠ cri‚ore i  œ ic
                          ecosŠs em.
                    ˆ.    •€  oes  €e se  ier of  €e ecoloicl pŠrmi represe ’
                    ‹.    ¡er …€  coi ios …ol  pr iclr s e i  €e process of
                          sccessio re‚er  ck  o  erlier s e’
                    ‘.    Arre  €e follo…i s oser‚e i ‚er icl s r ific io of  fores ­
                          Grss, S€rŠ pl s, ‰ek, Amr €s.
                    ”.    ˜me  omi‚ore …€ic€ occrs i o € rŸi foo c€i   €e
                          ecomposer foo c€i.
                                                                                                                                20/04/2018
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...Biology exemplar problems chapter ecosystem multiple choice questions decomposers like fi c eri re i o rops ii e ero iii spro cemo oose correc ser process of mierlis io micro orisms elps relese ioric rie s from ms oric ri form proc is r iomss epresse erms kcl m a ier prmi fo ic ecoss em ores mrie grss l eosysem folloi procer spirogyra agaricus volvox nostoc ems mos ie primr deser ropicl fores oces es ries mers als pri er or ei approim el mc solr eer flls lees pl coer cemicl po os esis less amo ere ik ecomposi ol fs rc dr reio alpie erres ril ies eriores dri ecoloicl sccessio ces ke plce commi orerl see il rom ick iflece psicl eirome lim oeilirim eilirim isorer cos ce ioeocemicl ccles oe oes losses respir pospors roe slpr all seece p oplk sees freeflo rop roo rsses rees smere flo ree smp meo reseroir for seos pe ioeo ccle eis ospere mospere ioospere li if cro oms fie procers lre psse ro species ropic leel ls sceer ir cosmer secor epec epor ecees precipi me rifll elo mm grssl sr mroe ee ...

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