LABORATORY MANUAL 33 



RESULTS 



Answer the following questions from your, own observa- 

 tions : 



1. What was the first sign of life which the seeds showed? 



2. How many days after the seeds were soaked did this 

 change occur? 



3. How many roots sprang from a single seed at first? 



4. How many, by the end of the time given for the experi- 

 ment? 



5. Did the roots start from about the same place or from 

 very different places? 



6. Describe the surface of a single root. 



7. What is the color of young roots? 



8. What else seemed to come from the seed besides the 

 roots? 



9. What color was that body? 



EXERCISE XXV (Textbook 298) 

 ! TUDY OF THE ROOTS OF A PLANT 



MATERIALS: A seedling plant grown from a bean or pea; 

 a low wide-mouthed bottle containing water; a slender 

 stick a few inches long. 



DIRECTIONS FOR WORK: Do not remove any part of the 

 plant. In pulling it from the ground, loosen the soil around 

 the roots with a slender stick. Leave the plant in a bottle 

 of water at the close of the exercise. 



(1) Name the organs of the plant which you see above 

 ground. 



(2) What plant organ is below the ground? 



(3) Try to pull up a plant without breaking it. Why is 

 this a difficult task? 



(4) Where does the plant sometimes break in your attempt 

 to pull it up? 



