BSC 2011 Sample questions: Test 3

1). The genus Magnolia has a _____________ colored flower and is
    pollinated by _______________


2). Which of the following are both seed bearing plants :
    a) hepaticophyta and psilophyta    b) ginkgophyta and gnetophyta
    c) gnetophyta and pterophyta       d) gnetophyta and psilophyta


3). A strobilus is  ___________________________________ and is found in
    the phylum ____________________________.


4). Which of the following is a monocotyledon?
    a) rose       b) grass       c) tomato      d) oak


5). Asthma and hay fever are treated using the drug : ________________ ,
    which is extracted from a plant in the phylum : ___________________.


6). Which of the following is a homosporous  genus ?
    a) Pinus      b) Hibiscus      c) Lycopodium      d) Selaginella 


7). Which phylum below contains the largest number of species ?
    a) Sphenophyta     b) Bryophyta     c) Hepaticophyta     d) Lycophyta


8). After pollination, how does the male gamete reach the egg in :

Cycads : ___________________________________________________________

Flowering plants : _________________________________________________


9). How are seeds of the genus Salsola dispersed ? ________________

    ____________________________________________________________________


10). Which of the following plants have the gametophyte dominant ?
     a) hepaticophyta    b) psilophyta     c) pterophyta    d) lycophyta


11). Which phylum includes the genus Equisetum ? ____________________


12). Coal is mainly fossils of:
     a) Psilophyta     b) Pterophyta     c) Coniferophyta     d) Lycophyta  


13). Acacia seeds are spread by __1__ and have a(n) __2__ attached.
     a) wind ; wing          b) birds ; fruit
     c) ant ; elaiosome      d) water ; float


14). The antheridia of a moss produce the:
     a) egg       b) pollen       c) sperm       d) spore


15). Give an example of a genus whose stem is strengthened by:

     a) lignin : _________________     b) silica : ____________________


16). One trend in plant evolution is from needing water for reproduction
     to no water needed. What is the other trend ? ______________________
     ____________________________________________________________________


17). Cambium is characteristic of conifers and __1__ and produces __2__ 
     towards the outside of the plant.
     a) monocotyledons ; phloem     b) dicotyledons ; phloem
     c) monocotyledons ; xylem      d) dicotyledons ; xylem


18). What is the function of sepals? ________________________________


19). In "alternation of generations" a diploid _____phyte produces
     spores that grow into a haploid ______phyte.


20). Roughly how many species are in the phylum Pterophyta? __________


21). What is a commercial use for Sphagnum? ___________________________


22). Which phylum below contains the largest number of species?
     a) Sphenophyta    b) Bryophyta     c) Hepaticophyta     d) Lycophyta


23). Explain how liverworts reproduce asexually: ______________________
     _________________________________________________________________________


24). Which phylum uses peristome teeth to help disperse their spores?
     ____________________________


25). Sori are ________________________________ and are typical of the phylum:
     ___________________________.