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The correct answer is option 4, which states that high yielding varieties of food grains were introduced as part of the first phase of Green Revolution in states 3 (Punjab) and 4 (Haryana) only.
Let`s analyze each option:
Option 1: 1, 2, and 3
This option states that high yielding varieties of food grains were introduced in states 1 (Andhra Pradesh), 2 (Tamil Nadu), and 3 (Punjab). However, this is incorrect because high yielding varieties were not introduced in Andhra Pradesh and Tamil Nadu during the first phase of the Green Revolution. Therefore, this option is incorrect.
Option 2: 2, 3, and 4
This option states that high yielding varieties of food grains were introduced in states 2 (Tamil Nadu), 3 (Punjab), and 4 (Haryana). However, this is also incorrect because high yielding varieties were not introduced in Tamil Nadu during the first phase of the Green Revolution. Therefore, this option is incorrect.
Option 3: 1 and 2 only
This option states that high yielding varieties of food grains were introduced in states 1 (Andhra Pradesh) and 2 (Tamil