Rice — Agri Master Mind
Centre of origin of rice is ….
- South East Asia
- South west asia
- USA
- Africa
The word Oryza is derived from
- Latin
- Greek
- Sanskriti
- Spanish
NERICA
- Africa
- USA
- India
- Brazil
Colour of endosperm in weedy rice is
- Yellow
- Brown
- Red
- Green
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
- Indica
- Javanica
- Japonica
- All of these
AICRP on rice was started in which year
- 1965
- 1957
- 1977
- 1972
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
- Single line
- 3 – line hybrids
- 2 – line hydrids
- None
The country having highest area under hydrids rice is
- India
- China
- Japan
- USA
Golden rice is rich in
- Beta carotene
- Ferritin
- Both a and b
- Zein
Pusa Sugandha -5 is a variety of
- Rice
- Maize
- Wheat
- Sorghum
Rice ideotypes is given by
- Yoshida
- Pliny
- Gautam
- All of these
Which method of rice cultivation usually results in the highest water use efficiency ?
- 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
- NO3
- SO4
- Mn2+
- CO 2
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
- Zn
- Mn
- Fe
- Sulphur
Spacing of rice under normal transplanting is ..
- Zinc
- Iron
- Boron
- Copper
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
- 55 %
- 69 %
- 80 %
- 77 %
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