Name the major nutrient which we get from fish.

The ration (daily food requirement) for broilers is carbohydrate-rich with adequate minerals.

Find out the wrong statement from the following:

$(a)$ What do the terms 'macronutrients' and 'micronutrients' signify?
$(b)$ Briefly describe the formation of vermicompost and green manure.

$(a)$ State three ways by which pests attack the plants.
$(b)$ Name the chemical used to control pests.
$(c)$ Explain why excessive use of such chemicals should be avoided.

$(a)$ State two characteristics of a healthy animal.
$(b)$ State any four characteristics of storage structure for grains.