Rice Crop Mcqs
(Part I)
1. The scientific name of rice is :
a] Oryza sativa ☑
b] Oryza glaberima
c] Both A&B
d] None of these
2. Rice belonging to which family?
a] Gramineae
b] Poaceae
c] Grass family
d] All of these ☑
3. Origin place of rice is :
a] SEA(south east asia]
b] USA
c] Indo- Burma
d] A & C both ☑
4. Sowing time of Aus rice is :
a] June-july
b] Mar-april
c] April-may ☑
d] May-june
5. Aus rice is also known as :
a] Aman rice
b] Boro rice
c] Autumn rice ☑
d] None of these
6. Sowing time of Aman rice is :
a] June-July ☑
b] Mar-april
c] May-june
d] Dec-jan
7. Sowing time of Boro rice is :
a] Nov-dec
b] Dec-Jan ☑
c] Oct
d] July –august
8. Aman rice is also called as :
a] Kharif rice
b] Winter rice ☑
c] Both A & B
d] None of these
9. Boro rice is called as :
a] Summer rice ☑
b] Winter rice
c] Kharif rice
d] None of these
10. In which rice lodging doesn’t occur :
a] Indica rice
b] Japonica rice ☑
c] Javanica rice
d] All of these
11. Panicle is a type of inflorescence of which crop?
a] Rice ☑
b] Lentil
c] Urd
d] Soybean
12. Lemma + palea together called as :
a] Hull ☑
b] Hull-lemma
c] Palea-hull
d] None of these
13. In SRI system of rice “S” stands for :
a] System ☑
b] Shallow
c] Same
d] None of these
14. SRI concept is increasing productivity of rice by changing management of :
a] Plant
b] Soil
c] Water & nutrient
d] All of these ☑
15. SRI first developed at which place :
a] China
b] USA
c] Madagascar ☑
d] USSR
16. SRI sytem developed in the year :
a] 1963
b] 1983 ☑
c] 1945
d] 1993
17. SRI system developed by :
a] Fr. H. D Launie ☑
b] H. d] Peter
c] M. S. Swaminathon
d] N. E. Borlaug
18. Yield of rice is increased by adopting SRI is :
a] 50-60%
b] 30%
c] 50%
d] 50-90% ☑
19. Rice is a which type of plant :
a] Short Day Plant ☑
b] Long Day Plant
c] Day neutral Plant
d] None of these
20. Self pollination occurs in :
a] Bajra
b] Mustard
c] Jawar
d] Paddy ☑
21. Test weight of Basmati rice is :
a] 24 gm
b] 26gm
c] 22gm
d] 21gm ☑
22. Cardinal temperature of rice is :
a] 15-20˚C
b] 20-25˚C
c] 40-45˚C
d] 30-32˚C ☑
23. Hulling % of rice is :
a] 60-65% ☑
b] 30-50%
c] 80-85%
d] 45-55%
24. First variety of rice is :
a] NT-1
b] Jaya
c] NR-8
d] TN-1 ☑
25. Jagannath is the mutant variety of :
a] Rice ☑
b] Wheat
c] Barley
d] Oat
26. Jagannath is the mutant variety of :
a] TN-1
b] T-14
c] TN-41
d] TN-141 ☑
27. World’s 1st high yielding variety of rice developed by :
a] ICAR
b] IARI
c] IRRI ☑
d] CRRI
28. Maximum rice exporter country is :
a] USA
b] China
c] India ☑
d] Thailand
29. SRI is introduced first time in India at :
a] Punjab
b] Tamil Nadu ☑
c] Haryana
d] West Bengal
30. Which rice variety is released by private sector :
a] PHB-30
b] PHB-71 ☑
c] Jaya
d] Ratna
31. Most critical stage of rice is :
a] Tillering ☑
b] Jointing
c] Rooting
d] Booting
32. Fruit of rice is called :
a] Achene
b] Grain
c] Cereal
d] Caryopsis ☑
33. Widely used N-fertilizer in rice is :
a] Ammonium sulphate ☑
b] Calcium sulphate
c] Urea
d] DAP
34. White eye of rice is due to deficiency of :
a] Ca
b] Mg
c] S
d] Fe ☑
35. Killer disease of rice is :
a] Bacterial blight
b] Tungo virus
c] Gram leaf hopper
d] Both A & B ☑
36. Chromosome number (2n) of rice is :
a] 42
b] 24 ☑
c] 36
d] 56
37. 2n=24 is the chromosome of which crop-plant :
a] Bajra
b] Ragi
c] Wheat
d] Rice ☑
38. Gas emitted from rice field is :
a] CH4 ☑
b] CH3
c] CO2
d] CO
39. H2S cause which disease in rice crops :
a] Blight
b] Leaf spot
c] Root rot
d] Akiochi ☑
40. Highest N losses in rice field by :
a] Leaching
b] Run-off
c] Percolation
d] Denitrification ☑
41. Paira & Utera cropping system is closely related to :
a] Wheat
b] Rice ☑
c] Barley
d] Bajra
42. Puddler is related to which crop plant :
a] Wheat
b] Rice ☑
c] Barley
d] Bajra
43. Hydrothermal treatment of rice grain before milling is termed as :
a] Boiling
b] Parboiling ☑
c] Water treatment
d] None of these
44. Which vitamin is conserved by paraboiling of rice :
a] Vit-c
b] Vit-D
c] Vit-B
d] Vit-B12 ☑
45. Seed rate in dapog method for rice :
a] 3-4kg/sq.m ☑
b] 10kg/sq.m
c] 15kg/sq.m
d] 8kg/sq.m
46. Area required for seedling preparation in DAPOG method is :
a] 40-50cm²
b] 70-80cm²
c] 75-85cm²
d] 25-30cm² ☑
47. Miracle rice of India is :
a] Padma
b] Pusa Rh-10
c] Sita
d] Jaya ☑
48. Gene responsible for dwarfness in rice is :
a] N-10
b] Teasinate
c] Oryzin-10
d] Dee-geo-woo-gene ☑
49. Khaira disease of rice is due to deficiency of :
a] Fe
b] B
c] P
d] Zn ☑
50. Optimum soil pH required for growing rice is :
a] 7-8
b] 6-7
c] 3-4
d] 4-6 ☑
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