(i) The major limitations of first Green Revolution of 1960s are:
(a) Unavailability of quality/hybrid seeds.
(b) Lack of modern equipment.
(ii) The crop varieties introduced into India then are Sonalika and Kalyan Sona of wheat.
Semi-dwarf varities of rice IR8 and Taichung Native-1 were also introduced.
(iii) The harmful aspects of using chemicals as fertilisers and pesticides are:
(a) Degradation of soil
(iv) The values promoted are to control of pollution, protection of environment, concern for health of people.