Advantages of Biocontrol Agents over Agrochemicals

Q.

What is bio-control?

Q.

Is Trichoderma species free-living fungi?

Q. Drawback(s) of using chemical pesticide and insecticide include:

1. High cost
2. It is specific
3. It is non specific
4. Causes pollution

Q. The first pesticide to be used commercially was

1. flit
2. DDT
3. BHC
4. bordeaux mixture

Q. What is NOT a disadvantage of chemical control of pests and weeds?

1. Biomagnification
2. Environmental pollution
3. They can get rid of useful insects and microorganisms
4. They rely on natural predation

Q. "If we use pesticides excessively in order to safeguard the crop from blight, it may cause long term damage to mankind". Justify the statement.

Q. The free-living fungus Trichoderma can be used for

Q. Drawback(s) of using chemical pesticide and insecticide include:

1. High cost
2. It is specific
3. It is non specific
4. Causes pollution

Q. Drawback(s) of using chemical pesticide and insecticide include:

1. High cost
2. It is specific
3. It is non specific
4. Causes pollution

Q. "If we use pesticides excessively in order to safeguard the crop from blight, it may cause long term damage to mankind". Justify the statement.

Q.

The earliest pesticide was

1. DDT

2. Nicotine

3. Margosa

4. Pyrethrum