Observe the given diagram and answer the following question.

Does it grow well in dry or in moist conditions?

Observe the given diagram and answer the following question.

Is it safe to consume the bread infected by this organism?

Give reason for the following.

Fresh milk is boiled before consumption while processed milk stored in packets can be consumed without boiling.

Give reason for the following.

Raw vegetables and fruits are kept in refrigerators whereas jams and pickles can be kept outside.

Give reason for the following.

Farmers prefer to grow beans and peas in nitrogen deficient soils.

Give reason for the following.

Mosquitoes can be controlled by preventing stagnation of water though they do not live in water. Why?

How can we prevent the following disease?

Cholera

How can we prevent the following disease?

Typhoid

How can we prevent the following disease?

Hepatitis A