Q.
        Identify the incorrect statement/s.
 
1. Kinetin is a derivative of Adenine which is a pyrimidine.
 
2. The technique of decapitation is widely used in tea plantations.
 
3. Ethylene is a gaseous plant hormone.
 
4. Use of $GA _{3}$ hastens the malting process in brewing industry.
 
5. ABA is a growth promoter.
      Solution: