Correct Answer :Option B) 1 & 3
Statement 1: Maize grows well in old alluvial soil and temperatures between 21°C and 27°C.This statement is correct. Maize thrives in well-drained, fertile soils including old alluvial soils. The optimal temperature range for maize cultivation is indeed between 21°C to 27°C, which provides ideal conditions for germination, growth, and grain development.
Statement 2: Bihar grows maize only in the kharif season.This statement is Incorrect. While Bihar is a major maize-producing state and does grow maize extensively during the kharif season (monsoon season), maize cultivation in Bihar is not limited to kharif only. Maize is also grown during the rabi season (winter season) in many parts of Bihar, making it a year-round crop in the state.
Statement 3: Use of HYV seeds and fertilizers has increased maize production.This statement is correct. The introduction of High Yielding Variety (HYV) seeds along with the proper use of fertilizers has significantly boosted maize production in India. These technological improvements have led to increased productivity per hectare and overall enhancement in maize cultivation.