The correct option is B A - Norman E. Borlaug, B - wheat
Green revolution refers to the introduction of plant breeding techniques to obtain high yielding variety of seeds/plants, which resulted in increased food production. It took place during the 1960s.
Nobel laureate, Norman E. Borlaug, is known as the father of Green Revolution. He developed many semi-dwarf varieties of wheat at the International Centre for Wheat and Maize Improvement in Mexico.
M. S. Swaminathan is the father of Green Revolution in India. He provided a framework of a sustainable and profitable agricultural system in India. He introduced and further developed semi-dwarf and high-yielding varieties of wheat in India.