For increasing production,what is common in poultry,fisheries and bee-keeping?

Which of the following conditions will give the most benefits? Why?
$(a)$ Farmers use high-quality seeds,do not adopt irrigation or use fertilizers.
$(b)$ Farmers use ordinary seeds,adopt irrigation and use fertilizer.
$(c)$ Farmers use quality seeds,adopt irrigation,use fertilizer and use crop protection measures.

What are the desirable characters of bee varieties suitable for honey production?

Which method is commonly used for improving cattle breeds and why?

What are the benefits of cattle farming?

Why should preventive measures and biological control methods be preferred for protecting crops?