The preventive and control measures which are used before grains are stored for future use include:

Poultry farming is undertaken to raise the following:
$(i)$ Egg production
$(ii)$ Feather production
$(iii)$ Chicken meat
$(iv)$ Milk production

Find out the wrong statement from the following:

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

How is mariculture different from aquaculture?

Ram tried hard to push the wall of a room. In the process of pushing the wall,he begins to perspire and feels exhausted although the wall does not move. Ram feels that he has done a lot of work and spent a lot of energy. Do you think that Ram was justified in making the statement that he has done a lot of work? Justify your answer and give the conditions under which work is done.