Paddy Crop Useful For All Agricultural Exams
Paddy Crop Useful For All Agricultural Exams
Questions | Answer | |
1 | What is the botanical name of paddy? | Oryza sativa |
2 | Family of rice? | Graminae (Poaceae) |
3 | What is the origin of paddy? | Indo-Myanmar region (Southeast Asia) |
4 | What is the seed of paddy? | Caryopsis |
5 | What is the inflorescence of paddy called? | Panicle |
6 | What is the chromosome number in paddy? | 2n=24 |
7 | What is the test weight of rice? | 25 gram |
8 | What is the test weight of basmati rice? | 21 gram |
9 | What percentage of protein is in White rice? | 6-7% |
10 | What percentage of protein is in unmilled (brown Rice)? | 7.9% |
11 | What percentage of fat is in rice? | 2-2.5% |
12 | What is the percentage of carbohydrate in rice? | 77-79% |
13 | Which state is the largest producer of paddy? | West Bengal |
14 | Which state is most productive of paddy? | Punjab |
15 | What is the first mutant variety of paddy? | Jagannath |
16 | What is the responsible gene for dwarfness in paddy? | Deo-Geo-Woo-Gene |
17 | Which is the only Paddy’s hybrid variety developed by private institute? | PHB-71 |
18 | Golden rice is rich in? | β-carotene |
19 | What are the characteristics of Golden Rice developed at IARI Institute? | Excess of vitamin A |
20 | What is the protein of paddy called? | Oryzenin |
21 | Where was the method of preparing the nursery of paddy was introduced? | IRRI Philippines |
22 | How many days are prepared in the Depog method to transfer the plant from the nursery to the field? | 11-14 day (12 days) |
23 | Sowing time of AUS Paddy? | April-May |
24 | Sowing time of AMAN Paddy? | June-July |
25 | Sowing time of BORO Paddy? AgriExam.com | November-December |
26 | Lodging doesn’t occur in? | Japonica rice |
27 | How much seed rate is kept in the broadcasting method of paddy? | 100 kg/ha |
28 | How much seed rate is kept in paddy “drilling method”? | 60 kg/ha |
29 | How much hybrid paddy seed rate is kept? | 15 kg/ha |
30 | How much is the paddy seed rate kept in “Depong method”? | 1.5-3 kg/M² |
31 | How much paddy seed rate is kept in “SRI method”? | 5-8 kg/ha (2kg/acre) |
32 | The ‘Jaya variety’ of paddy was developed by whom? AgriExam.com | Dr. Shastri (1968) |
33 | Which varieties of paddy can be grown in Rabi and Kharif season? | Rajeshwari and Hema |
34 | Which Herbicide is most commonly used in paddy field? | Propanil (stom F-34) |
35 | Hull is combination of? | Lemma + Palea together. |
36 | Rice is a type of plant? | Self pollinated & Short day plant |
37 | What is the full form of SRI ? | System of Rice Intensification |
38 | Who was developed SRI method of rice cultivation in 1983 at Madagascar ? | French Jesuit Father Henri de Laulanie |
39 | Nursery area required in rice for transplanting in one hectare ? | 1000 M² |
40 | Nursery area required in rice for transplanting in one hectare in the Deppog method ? | 25-30 M² |
41 | Hydro-thermal treatment of rice grains before milling called as? | Paraboling |
42 | Paraboling of rice conserve which vitamin ? | Vitamin B-12 |
43 | Main objective of Puddling in rice cultivation? | Control weeds, Reduce water losses & Increase nutrient availability |
44 | Main objective of beushening in rice cultivation? | Control weeds, Increase soil aeration & Optimise crop standing |
45 | The gas emitted from rice field is? | Methane (CH4) |
46 | Highest nitrogen losses in rice field by? | Denitrification |
47 | Anaerobic environment in rice soil is responsible for gaseous loss of fertilizer nitrogen by? | Denitrification |
48 | Which nitrogen fertilizer suitable for rice cultivation ? | Ammonium Sulphate |
49 | Suitable biofertilizer for rice field ? | Azolla |
50 | First hybrid variety of rice developed by using cytoplasmic male sterility at ? | China (1970) |
51 | The rice variety called ‘Miracle rice in World’ is? | IR-8 |
52 | which rice variety known Miracle rice in India ? | Jaya |
53 | Most critical stage for water in rice cultivation? AgriExam.com | Booting stage |
55 | Solar radiation required for better yield of rice? | 500-700 cal/cm-²/day |
56 | Rice crop required how much rainfall for better yield? | 100-150cm |
57 | Root system of rice is? AgriExam.com | Fibrous root system |
Questions | Answer | |
58 | Indica (Sub species of Oryza sativa) rice is grown in? | India |
59 | Japonica (Sub species of Oryza sativa) rice is grown in? | Japan |
60 | Javanica (sub species of Oryza sativa) wild species grow in? | Indonesia |
61 | Which rice variety suitable for waterlogged condition? | Jalmagna |
62 | Salinity tolerant variety of rice is? | Lunishree & IR-8 |
63 | Which variety of rice best for direct Sowing? | Bala & kaveri |
64 | Fertilizer required for rice field? N:P:K:Z (Zinc) | 120:60:40:25 |
65 | Akiochi disease of rice due to? | H2S Toxicity |
66 | Paira and Utera cropping system is closely related to? | Rice |
67 | Which are killer disease of rice? AgriExam.com | Bacterial blight & Tungro virus |
68 | Khaira disease(mainly in nursery) of rice due to deficiency of?(first reported by Y l Nene 1966 Pantnagar) | Zinc (IR-8) |
69 | “White eye” of rice is due to deficiency of? | Iron |
71 | Lunishree is a variety of? | Super Rice |
Paddy Crop Important Points
Questions | Answer | |
72 | The crop which prefer Ammonical form of N? | Rice |
73 | Widely used nitrogenous fertilizer in rice? | Ammonium Sulphate |
74 | The nitrogen fixing bacterium found on root surface of rice? | Azospirillum |
75 | Oldest N fertilizer, best for top dressing in rice? | Ammonium sulphate (20.6%N and 24.2%S) |
76 | The best fertilizer for top dressing in rice? | Ammonium sulphate |
77 | Gas emitted from rice field is? | CH4 (Methan) |
78 | In rice ‘Dapong seedlings’ are ready for transplanting? | 11-14 DAS |
79 | Under SRI method, rice plant is transplanted at? | 10-12 DAS (Days After Sowing) |
80 | Seedling ready for transplanting in Dapong method? | 12th day |
81 | Normally rice plant is transplanted at? | 21-25 days after sowing |
Questions | Answer | |
82 | Nitrogen use efficiency in rice is around? | 30-40% |
83 | Polish percentage of rice is? | 2% |
84 | Hulling percentage of rice is? | 65-70% |
85 | How much % rice grown out of Asia? | Only 10% |
86 | The nursery area required for providing seedlings for transplanting 1 ha rice field? | 1000 M2 (1/10 ha) |
87 | Isolation distance for self pollinated crops i.e. rice, wheat? | 3 m |
88 | In low land rice, fertilizer is applied in? | Reduced zone only |
89 | Cardinal temperature for good rice crop growth is? | 30-32ºC |
90 | Best pH for cultivation of rice is? | 4-6 pH |
91 | Puddler & puddling is related to? | Rice |
92 | Acid tolerant crop is? | Rice |
93 | Most prominent cropping pattern of rice in India? | Rice-Wheat |
94 | Dapog method is most commonly prevalent in? | Philippines |
95 | The tillage implement, most suitable for rice cultivation is? | Power tiller |
96 | The best system of rice culture is? | Transplanting |
97 | The normal ratio of rice/paddy is? | 2/3 |
98 | Chasmogamy was found in? | Rice, Moong and Oat |
99 | Nursery area required for seedling of rice for one hectare field is? | 0.10 ha. |
100 | C3 pathway found in? | Rice, Wheat, Pea, Soybean |
101 | Nitrogen fixation in rice field is carried out by which blue green algae? | Azolla |
102 | The cultivated spp. of paddy? | Oryza sativa & Oryza glaberima |
103 | Sowing of paddy in April-May and harvesting in August-Sept. is called as? | Aus/Autumn /Pre kharif paddy |
104 | Sowing of paddy in June-July and harvesting in October is called as? | Aman/Kharif/ Aghani |
105 | Sowing of paddy in January-Feb and harvesting in April-May is called as? | Boro/Summer/ Spring |
106 | Tip burn of rice? | O2 deficiency and excess of Zinc |
107 | SRI denotes? | System of Rice Intensification |
108 | For correction of iron chlorosis in rice, following spray is recommended? | 1% Solution of ferrous Sulphate |
109 | The most important critical stage of rice for irrigation? | Tillering to flowering stage |
110 | Aroma in rice is due to presence of? | “Di-acetyl 1 propaline” chemical |
111 | Weed caused relatively more loss in rice productivity, when it is? | Direct seeded |
112 | Mimicry weeds of rice is? | Wild rice |
113 | What is the Critical Period of Crop-Weed Competition for Upland rice condition? | Entire period of crop growth |
114 | Most dominated weed species in rice field is? | Echinochloa spp. |
115 | What is the Critical Period of Crop-Weed Competition for transplanted rice? | 30-45 DAS |
116 | Common herbicide used in rice crop field? | Anilophos and Butachlor |
117 | In waterlogged rice field, atmospheric nitrogen can be fixed to the soil by? | BGA |
118 | The most prominent and adopted cropping pattern in India? | Rice – Wheat |
119 | Irrigation method suitable for lowland rice and jute? | Flooding |
Paddy Crop Important Points
Questions | Answer | |
120 | The Blast resistance varieties of rice is? | Tulsi, IR-64 |
121 | The deep water rice are? | Punkaj, Jagannath |
122 | Rice varieties suitable for Saline-alkaline soil are? | CSR-10, CSR-13, CSR-27 |
123 | The rice variety which has no seed dormancy? | I.R.-50 |
124 | Hybrid variety of rice is developed by using? | GMS and CGMS line |
125 | First intervarietal cross variety of rice? | Jaya (TN-1 × T-141) |
126 | The Gall midge resistance varieties of rice is? | Phalguna, Surekha, Suraksha |
127 | First rice variety introduced in India? | IR – 8 (1966) |
128 | First developed rice variety? | T.N. – 1 |
129 | The world’s first high yielding variety (dwarf) of rice has been developed by IARI? | Pusa Basmati |
130 | Oil content in parboiled rice bran? | 20-28% |
131 | Oil content in Raw rice bran? | 12-18% |
132 | Oil content in Deoiled rice bran? | 1-3% |
133 | Bulk density due to puddling? | increase |
134 | How much increase Bulk density due to puddling? | 1.4 to 1.7 g/cc |
135 | How much % silica content in rice husk? | 15-18% |
136 | Harvesting index of rice? | 0.40 |
137 | How much water depth should be at the time of puddling? | 2.5 cm |
138 | Optimum age for transplanting? | 4th leaf stage |
139 | How much Nitrogen requirement reduce by use of Biological nitrogen? | 25-30% N |
140 | How many days Short duration Varieties? | upto 120 days |
141 | How many days Medium duration Varieties? | 120-150 |
142 | How many days Long duration Varieties? | >150 days |
143 | Gobindbhog, Tulaipanji variety mainly grow in? | West Bengal |
144 | Joha rice is the largest cultivator in? | Assam |
145 | How many days after sowing Rice transplanting in Dry land area/rabi season? | 30-35 DAS |
146 | How many days after sowing Rice transplanting in Kharif? | 21-25 DAS |
147 | Average temperature? | 21-37°C |
148 | Temperature For blooming? | 26.5-29.5°C |
149 | Temperature For Ripening stage? | 20-25°C |
150 | Basmati rice has a flavor caused by which aroma compound? | 2-Acetyl-1 Pyroline |
151 | Basmati rice grain contains of aromatic chemical? | 0.09 ppm |
152 | Basmati rice has aromatic compound than non-basmati rice? | 10-12 times more |
153 | Rice Protein is rich in? | Lysine (4%) |
154 | How much water consume to produce 1 kg of rice? | 5000 litter |
Disease | Pathogen | |
1 | Blast (Rotten neck) | Pyricularia oryzae |
2 | Bacterial leaf blight (BLB) / Bacterial leaf streak | Xanthomonas compestris pv. oryzicola |
3 | Brown leaf spot | Helminthosporium oryzae |
4 | Khaira disease | Zinc deficiency |
5 | Bakanae / Foot rot / Fusarium blight / disease | Gibberella fujikuroi |
6 | Pan Sukh | Dry physiological disease |
7 | Sheath blight | Rhizoctonia solani |
8 | Tungro disease | Rice Tungro virus (Caused by GLH) |
9 | Grassy stunt | Viral disease (Caused by BPH) |
10 | Udbatta disease | Due to Fungi ‘Ephelis oryzae’ |
11 | Ufra disease | Ditylenchus angustus(Nematode) |
12 | Mantek disease | Rice root nematode |
13 | Stem rot | Sclerotium oryzae |
14 | Sheath rot | Sarocladium oryzae |
15 | False / Green smut | Ustilaginoidea virens |
16 | Stackburn disease | Trichoconis padwickii |
17 | Bunt / Kernal smut/Black smut | Tilletia barcylayana |
18 | Yellow dwarf | Mycoplasma-like organism (MLO) |
Name of insect | Scientific name | |
1 | Yellow Stem Borer? | Scirphophaga incertulas |
2 | Rice Gall Midge? | Orseolia oryzae |
3 | Green Leaf hopper (GLH)? | Nephotetrix nigropictus |
4 | White-backed Plant-hopper (WBPH)? | Sogatella furcifera |
5 | Brown Plant hopper (BPH)? | Nilaparvata lugens |
6 | Rice Case worm | Nymphula depunctalis |
7 | Rice Hispa | Diclodispa armigera |
8 | Rice thrips | Stenochaetothrips biformis |
9 | Rice grasshopper | Hieroglyphus banian |
10 | Rice leaf roller | Cnaphalocrocis medinalis |
Institutes | ||
1 | National Rice Research Institute (NRRI) | Cuttack (1946) |
2 | Indian Institute of Rice Research (IIRR) | Hyderabad |
3 | IRRI South Asia Regional Center (ISARC) | Varanasi (2018) |
4 | International Rice Research Institute(IRRI) | Los Banos (Philippines) (1960) |
- The Central Rice Research Institute (CRRI) in Cuttack, now known as National Rice Research Institute (NRRI)
- The Directorate of Rice Research (DRR) in Hyderabad, now known as Indian Institute of Rice Research (IIRR)
Questions | Answer | |
1 | Golden rice | Dr. Ingo Potrykus |
2 | Hybrid rice | Yuan Long Ping |
3 | Super Rice | Dr. G.H. Khush |
4 | Dapog seedling | Rice seedling |
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I am agriculture students bsc. Ag4year
super work
Kis University se
very good Karunesh
I am student b.sc 2end year
Excellent work
thanks for your support
BGA means
Blue green alage
Blue green algae
Superrr se vi upparrr
Excellent …easy way to study
If it is possible upload PDF file it will help all students
I am student horticulture BUAT BANDA
Best source for revision Tysm.. Most of the questions are important to AFO 2020..
I am agriculture student Bsc ag 4year than you
Best work sir
बहुत ही अच्छा तरीका है पढ़ाई करने का
Thanks sir ji …..very nyce ….
Bahut bahut dhanyavad ….🌺🌷🌻💐🌻🌺🌷💐🌷🌺🌻🌻🙏🙏
Very comfortable to read… Need some corrections in spellings and some mistakes are there. GOOD WORK.
Thank you so much sir it is useful for preparation in short period.
Ag bsc 1st year thank you
Excellent work for agriculture students.it’s very usefull for us…thank you so much..🙏
Very useful during revision
Thank you so much for giving a lot of knowledge related to rice cultivation 🙏🙏🙏