Rice (Oryza sativa) Multiple Choice Questions
1- National rice Research Institute located at ?
Answer: Cuttack, Orissa
2. Indian Institute of rice research located at ?
Answer: Hyderabad
3. International rice Research Institute located at?
Answer: Manila, Philippines
4. Planting spacing in rice crop ?
Answer: 20cm× 10cm
5. Planting spacing in rice SRI method ?
Answer: 25cm × 25cm
6. Plant population in one hectare rice field
Answer: 5 Lakh
7. Which Indian state known as bowl of rice?
Answer: Chhattisgarh
8. Which High yielding variety first introduced in India TN-1 1964 65 by ?
Answer: G.V. Chalam from IRRI
9. Stem of rice is called?
Answer: Hull
10. Hull is combination of ?
Answer: Lemma + Palea
11. Optimum temperature for rice cultivation ?
Answer: 30-35°C
12. Optimum pH of soil required for rice cultivation ?
Answer: 4-6
13. Suitable climate for rice cultivation ?
Answer: Hot and Humid
14. Rice is a type of plant ?
Answer: Self pollinated, C3 & Short day plant
15. Suitable soil for rice cultivation ?
Answer: Clay and Clay loam
16. What is the full form of SRI ?
Answer: System of Rice Intensification
17. Who was developed SRI method of rice cultivation in 1983 at Madagascar ?
Answer: French Jesuit Father Henri de Laulanie
18. Nursery area required in rice for transplanting in one hectare ?
Answer: 1000 M
19. Nursery area required in rice 4 transplanting in one hectare in the Deppog method ?
Answer: 25-30 M
20. Hydrothermal treatment of rice grains before milling called as ?
Answer: Paraboling
21. Paraboling of rice conserve which vitamin ?
Answer: Vitamin B12
22. Main objective of Puddling in rice cultivation ?
Answer: Control weeds, Reduce water losses & Increase nutrient availability
23. Main objective of beushening in rice cultivation ?
Answer: Control weeds, Increase soil aeration & optimise crop standing
24. The gas emitted from rice field is ?
Answer: Methane
25. Highest nitrogen losses in rice field by ?
Answer: Denitrification
26. Which nitrogen fertilizer suitable for rice cultivation ?
Answer: Ammonium Sulphate
27. Suitable biofertilizer for rice field ?
Answer: Azolla
28. First hybrid variety of rice developed by using cytoplasmic male sterility at ?
Answer: China 1970
29. which rice variety known Miracle rice in India ?
Answer: Jaya
30. Most critical stage for water in rice cultivation?
Answer: Booting stage