Maize important question for jrf agronomy
sn | question | answer |
| 1 | The botanical name of maize is | Zea mays |
| 2 | Maize crop is also referred as | Queen of cereals |
| 3 | The maize protein is known as | Zein |
| 4 | Protein and oil per cent in Maize grain | 8–10 per cent and 4–5 per cent |
| 5 | Most widely grown maize spp. in India? | Zea mays indurate (Flint corn) |
| 6 | Leading state of rabi maize? | Bihar |
| 7 | Maize variety widely grown in USA? | Zea mays identata (Dent corn) |
| 8 | The sweetest maize species | Zea mays sacchrata (Sweet corn) |
| 9 | Maize species produce starch similar to tapioca | Zea mays ceretina (Waxy corn) |
| 10 | Seed rate of Hybrid maize | 15 to 20 kg/ha |
| 11 | First maize hybrid released in India? | .1961 |
| 12 | Single cross technology of maize is given by | East and Shull (1910) |
| 13 | Double cross technique of maize is given by | D.F. Jones (1920) |
| 14 | Fodder crop maize varieties are | African tall, J1006 |
| 15 | Pop corn maize varieties are | Amber pop, V L Amber. Pop, Pearl pop corn |
| 16 | Quality Protein Maize (QPM) varieties released by using | Opaqua-2 genes |
| 17 | .QPM varieties are | Sakti, Shaktiman 1 & 2, HQPM |
| 18 | Hybrid varieties of maize | Ganga-1, 3, 5, 101, Ganga safed-2, Ranjit, Ganga-4 |
| 19 | .Composite varieties of maize | Jawahar, Vikram, Kishan, Ambar, Sona, Vijay. |
| 20 | The most critical stages for irrigation in maize | Silking stage. |
| 21 | Maize crop leaves show red and purple colour due to deficiency of | .Phosphorus (P) |
| 22 | CIMMYT | Centro International de Mejorimiento de Maizy Trigo (International Centre for the improvement of Maize and Wheat) situated in Mexico |
| 23 | Carbohydrates | 70% |
| 24 | Area and Production | Area : 130 m.ha. |
| 25 | maize is | It is a C4 short day plant. |
| 26 | Soil | Maize is best adapted to well drained sandy loam to silt loam soil |
| 27 | Hybrids | 100 to 105 days. Deccan, Ganga Safed, Ganga-4, Ganga-5, Ganga-7,9, Histarch, Sangam, In Tamil Nadu, CoH1, CoH2 and CoH3 Hybrids, 5.5 to 6.0 t/ha. |
| 28 | Promising Composites | 100 to 105 days. Amber, Vijay, Kisan, Sona, Vikram, Jawahar |
| 29 | Time of sowing | In India, it is grown in 3 seasons. 1. Kharif – June – July (85% of rainfed area) 2. Rabi – Peninsular India and Bihar. Oct – November 3. Spring : North India. Jan – Feb. Irrigated condiiton |
