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1. What are synthetic auxins? Give examples.
 
a. Auxins that are  produced but have properties like the natural auxins are known as synthetic auxins.
 
b.   are examples of synthetic auxins.
 
2. What is bolting? How can it be induced artificially?
 
a. When rosette plants are treated with ,  is stimulated. This is called bolting.
  
3. Bring out any two physiological activities of abscisic acid.
 
a. Absicisic acid initiates the closure of stomata during water stress and drought conditions.
 
b. Absicisic acid is a plant is a hormone that promotes abscission.
 
4. What will you do to prevent leaf fall and fruit drop in plants? Support your answer with reason.
 
a. is a chemical that can be sprayed on plants to reduce leaf fall and fruit drop.
 
b. It prevents the establishment of an abscission layer.