Assertion: Punjab and Haryana are not traditional rice growing areas.
Reasoning: Rice cultivation in the irrigated areas of Punjab and Haryana was introduced in 1970s following the Green Revolution.

Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A.

The correct answer is option 1: Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A.

Assertion: Punjab and Haryana are not traditional rice growing areas. This statement is correct because these regions traditionally focused more on crops like wheat due to their climatic conditions.
Reasoning: Rice cultivation in the irrigated areas of Punjab and Haryana was introduced in 1970s following the Green Revolution. This statement is also correct.

Why R correctly explains A:
Since rice cultivation became widespread in Punjab and Haryana only after the Green Revolution with the expansion of irrigation, HYV seeds, and modern agricultural practices, these states were not traditional rice-growing regions earlier. Therefore, the Reason correctly explains the Assertion.

NCERT: " The yield level of rice is high in Punjab, Tamil Nadu, Haryana, Andhra Pradesh, Telangana, West Bengal and Kerala. In the first four of these states almost the entire land under rice cultivation is irrigated. Punjab and Haryana are not traditional rice growing areas. Rice cultivation in the irrigated areas of Punjab and Haryana was introduced in 1970s following the Green Revolution."