Centre of origin of rice is ….
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South East Asia
-
South west asia
-
USA
-
Africa
The word Oryza is derived from
-
Latin
-
Greek
-
Sanskriti
-
Spanish
Colour of endosperm in weedy rice is
Cultivated rice Oryza sativa is derived from
-
O. nivara
-
O .glaberrima
-
O .barthii
-
None
CG -14 rice variety belong to
-
Oryza sativa
-
Oryza glaberrima
-
Both a and b
-
None
O . sativa complex includes
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Indica
-
Javanica
-
Japonica
-
All of these
AICRP on rice was started in which year
IRRI is located at
-
China
-
Los banos ,phillipines
-
USA
-
Africa
The length of extra – long rice more than
-
7.5 mm
-
8.5mm
-
6.5 mm
-
5.5 mm
Super rice hybrid are
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Single line
-
3 – line hybrids
-
2 – line hydrids
-
None
The country having highest area under hydrids rice is
Golden rice is rich in
-
Beta carotene
-
Ferritin
-
Both a and b
-
Zein
Pusa Sugandha -5 is a variety of
Rice ideotypes is given by
-
Yoshida
-
Pliny
-
Gautam
-
All of these
Which method of rice cultivation usually results in the highest water use efficiency ?
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Aerobic
-
Transplanted
-
Alternate wetting and drying
-
System of rice Intensification
Vegetative lag phase refers to the period between ..
-
Maximum tillering to panicle Initiation
-
Germination to maximum to panicle initiation
-
Tillering to maximum tillering
-
Panicle initiation to booting
Which ecosystem comprises the largest rice area in the world ?
-
Irrigated lowland rice
-
Rainfed upland rice
-
Rainfed lowland rice
-
Irrigated upland rice
In submerged soil reduction of …… occurs first
Rice soil has a pH of
-
Acidic
-
Alkaline
-
Neutral
-
Very acidic
Aus rice is also know as
-
Winter rice
-
Summer rice
-
Autumn rice
-
None
Beushening is done in rice to
-
Weed control
-
Provides soil erosion
-
Optimize crop stand
-
All the these
Which field operation increase grain yield and decrease straw yield in rice ?
-
Khelua
-
Beushening
-
Pudding
-
Baita
Dapog method of nursery raising was developed from ..
-
IRRI ,Phillipines
-
IARI ,india
-
WARDA , Africa
-
NRRI , India
In SRI no of seedling /hill required for transplanting in main field should be
-
1 seedling /hill
-
3 seedling /hill
-
1-2 seedling / hill
-
None
Ahu – Bao mixed cropping is related to which crop ?
-
Direct seeded rice
-
Wheat
-
Transplanted
-
Pearl millet
Optimum seed rate of rice in SRI method is
-
5 kg/ha
-
10 kg /ha
-
2 kg / ha
-
15 kg /ha
In aerobic rice under normal transplanted is
Spacing of rice under normal transplanting is ..
How much water is required tp produce one kg rice ?
-
3000 L
-
5000 L
-
7000 L
-
2000 L
Which state constitutes the highest area under rice
-
West Bengal
-
Uttar Pradesh
-
Andhar Pradesh
-
Himachal Pradesh
For 1 ha main field , the requires nursery area under dapog method is
-
50 m2
-
30 to 40 m2
-
100 m2
-
1000m2
First high yielding basmatirice developed from IARI , New Dehli is
-
PR11
-
Pusa basmati
-
Pusabasmati 10
-
Pusa basmati 1
Mutant variety of rice is
-
Jagannath
-
Govind
-
IR 8
-
Jaya
Miracle rice in india
-
TN 1
-
IR 8
-
Jaya
-
None of these
Milling percentage of rice is around
Oil percentage in rice bran is
-
12 -!5%
-
14 -25%
-
25-30 %
-
None of these
Moisture content in grain at the time of harvesting of rice should be
-
20 -25 %
-
25-30 %
-
14 %
-
15 -20 %
In india , Zn fortified rice was first launched in …
-
Chhatishgarh
-
Punjab
-
Odisha
-
UP
Type of inflorescence of rice .
-
Raceme
-
Panicle
-
Siliqua
-
None