MORPHOLOGY 



(ii) In a few days the radVJe will have grSwn into the primary or 

 main root, and from it a laree numtar of secondary roots develop. 



FIG. 6. Pot of Mustard seedlings, 

 showing cotyledonary leaves. 



FIG. 7. Pot of Mustard seedlings, 

 showing secondary leaves. 



Drainayc - - 



FIG. 8. How to pot a plant. 



(iii) The plumule grows upwards towards the light and the cotyledons 

 are green. 



EXPT. 5. Take a few of the young Mustard plants used in the last 

 experiment and a plant pot with soil in, and with a penholder make a 



