Give reasons:
1.Fresh milk is boiled before consumption while processed milk stored in packets can be consumed
without boiling.
2. Raw vegetables and fruits are kept in refrigerators while jams and pickles can be kept outside.
3. Farmers prefer to grow pea and beans in nitrogen deficient soil.
4. Mosquitoes can be controlled by preventing stagnation of water though they do not live in
Answers
Answer:
Explanation:
1. Fresh milk is boiled before consumption to kill the microorganisms in it. But packed milk is pasteurised and does not contain any microorganisms. It can thus be consumed without boiling.
2.Raw vegetables and fruits are kept in refrigerators whereas pickles and jams are kept outside. It is because pickles and jams contains some preservatives such as sugar, salt and other ingredients in them. Though, pickles and jams do not easily get spoil by bacteria, air or other factors when you are kept them outside.
3.Bean and Peas are leguminous plants. They fix nitrogen in the soil with the help of Rhizobium bacteria present in the root nodules of the plants. Thus, they fix nitrogen and replenish the deficiency of nitrogen in the soil. Therefore, farmers prefer to grow bean and peas in nitrogen deficient soil.
4. Mosquitos can be controlled by preventing stagnation of water though they don't live in water because mosquitos lay their eggs in stagnated water, they get most nutrients after hatching from water and then they spread diseases like dengue , malaria , chikungunya etc.