Which of the following is a modern farming method?

Explanation:

Modern farming methods include the use of High-Yielding Variety (HYV) seeds and chemical fertilizers. HYV seeds are engineered to produce better yields, while chemical fertilizers provide essential nutrients to crops, boosting their growth and production. These methods, alongside other practices like irrigation and mechanization, have revolutionized agricultural productivity.

Final Answer

d) Both (b) and (c)