Correct Answer: Both A and B

Solution : The correct option is Both A and B.

High-yielding variety (HYV) seeds, often referred to as high-yield seeds, are plant varieties specifically bred to produce a significantly higher crop yield when compared to traditional or conventional varieties. These seeds are a key component of modern agricultural practices and have played a vital role in increasing global food production. HYV seeds played a central role in the Green Revolution, a period of increased agricultural productivity in the mid-20th century. They were primarily associated with crops like rice and wheat.