Solution:

Part 1:

• Biopesticides are pesticides that come from naturally occurring sources such as microorganisms, plants, animals.
• The three types of biopesticides are 

• Microbial pesticides
• Plant-incorporated protectants  
• Biochemical pesticides.

Part 2:

Advantage of Bio-pesticide:

• It has the capacity both to kill pests and grow at the expense of nutrients present in the pest. 
• A farmer gets healthy and productive plants besides getting rid of pests. 
• There are no harmful residues detected. 
• Cheaper than chemical pesticides.

Disadvantages of biopesticides:

• It includes a slower rate of kill compared with conventional chemical pesticides.
• Shorter persistence in the environment.
• Susceptibility to unfavourable environmental conditions.