26 
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meds 
What is meant by function? 
BOTANY 
QUESTIONS ON CHAPTER I. 
_ What is an organ? Name three organs found in animals 
and three found in plants. 
What are the chief 
functions of a bean plant? 
_ Show that the bean plant is an organism. 
‘When is the broad bean usually sown? When does it 
flower and when is the fruit ripe? 
_ Contrast the root and stem of a bean plant, dealing with 
colour, shape, direction of growth, appendages, etc. 
. Sketch sections of the stem and root. 
. What happens when water is poured on a bean leaf? 
What does the result suggest to you? 
. Compare the bean leaf with that of any other plant. 
. Make sketches of a bean leaf. 
. What insects have you seen visiting the bean flower? 
Where do they alight? 
. What changes take place in the flower from the unfolding 
of the bud to the production of the ripe pod? 
. How does the bean pod open if left on the plant? 
. Draw a bean seed showing all the external features. 
. Take off the coat of a bean seed, separate the seed leaves 
and draw what you see. 
. What happens when a bean seed is soaked in water, and 
what when placed in the soil? 
. Show that all parts of a bean seedling are present in the 
seed. 
. Compare the seed-leaves of the bean with its foliage 
leaves. 
. Distinguish ‘‘ Reproductive’? and ‘‘Vegetative’’ organs. 
Classify the organs of a potato plant under these two 
heads and justify each item in your classification. 
What is meant by environment? Justify the assertion 
that air, soil, water and climate are the most important 
factors in the environment of an ordinary green plant. 
