On holidays, Rahul used to go to morning walk with his grandfather and on the way he used to collect milk from milk man for his home. One day, the milkman told dadaji that he is going to purchase a Murrah breed buffalo as he is not able to fulfill the demand of his customers to supply good quality milk. Rahul asked his grandfather following questions;

(i) What are Murrah buffaloes?

(ii) What are the advantages of keeping them in dairy?

How do you differentiate between capture fisheries, inland fisheries and aquaculture?

Explain the role of workers in a bee colony.

Ramlal has been cultivating wheat crop year after year in the same field. Recently he has observed decline in the yield despite best inputs. Agriculture inspector of the area suggested him to sow some legume crop (e.g., pea, chick pea or soybean) for one or two years before again using the field for wheat crop. What is the logic behind this suggestion.

Pawan went to attend a wedding reception with his mother and father. There was a good variety of food items. He tasted many items and left many items in the plate. This was done by many guests attending the party. His parents drew his attention to the amount of food wasted in this manner.

(a) Why was Pawan’s parents concerned about the wastage of food?

(b) What steps you can suggest to ensure food security?