KEVIF.U OF IIIK ItiMiK 'M\\i 



Where docs the plant B«otire its oxyir'-nT Wliat ih nicnnt by 

 respiration in plantsf How is it compaitul with ri'Hpirntion in 

 aiiiuialsf When dot'S reHpirntion ohit-tly take plaoef Hdw niny 

 rt'spirmion bo di'iuonstrutttl (iyi<i)f Iloxr fise ia oxyj'pn securfd 

 than throti;;h the aerial partsf Do roots nci'd uirT WliyT 



What elt-nuMit is most almmlaiit in plaiitsf Wh«'iu'e is it de- 

 rived T How dui'H it btTOiuo phmt-foodf Define photoxyntheHis. 

 Compare it with respiration. What is assimihition (lUS/cf What 

 is chh>rophyl (l!»Sft.T Wiiat is plant -food ' V"-- ' In what sense 

 may it be said that plants " purify the airf ' 



How does heat afTect phmtsf What detjr. o nf in at is necessary 

 for pertain activitiesT In what parts of the world do preeti or 

 HueiMilent plant tissues most abouiulT Are all plants equally 

 aflected by similar tempernturef 



What substance results from photosynthesis? Wliat beeomes 

 of itT Illuritrate how stareh may bo detected ( 120:j/» i T What ate 

 the interna) and external evidences of growth? Note that wh< n a 

 plant ceases to grow it begins to die. In whnt parts do ynunff 

 stems elongnti-? Hnw does the root behave in this respect? Hnw 

 mr«y these difTert-nces be shown? How is ijii»r«'ase in dianieler 

 effHoted? Why does the e.xtenial bark become furrowed and crack 

 and briak away? What is meant \>y the word "sap" ('JOT<i)? 



How is irritability e.xpres-ed? Name some visible move- 

 ments of plants. How do plants move with r»*ference to light? 

 With referejice to gnivitation? What is iniimt bv tlm i.liitmw 

 "reaction of plants to their environment"? 



f'luiptrr 't 



Wo now (lisfu.-^s llif prnpfii/iition of plants. 

 Not»» that tin* rlinpt*'!' is tlividtMl into tliriM' co- 

 onlinntp pints: (1) a «liscii«sio!i of the penerni 

 means hy which plants are propairat«'d ; (2) prop- 

 agation l»y moan'^ ' ' : ' • ropnjjntion hy 

 moans of hurls. 



