Question: Q.30. Naturally occurring substances such as sulphur, lime sulphur, calcium polysulphide, copper and quartz sand are types of biopesticides.? True or False Q.33. Insect growth

Q.30. Naturally occurring substances such as sulphur, lime sulphur, calcium polysulphide, copper and quartz sand are types of biopesticides.? True or False

Q.33. Insect growth regulators are chemicals that kill insects by interfering with their molting process.?True or False

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