ICAR (JRF) General Agriculture Question Paper

ICAR (JRF) General Agriculture Question Paper – 1997

Indian state having maximum geographical area is :
(a) Madhya Pradesh
(b) Uttar Pradesh
(c) Andhra Pradesh
(d) Rajasthan
Oxide present in maximum amount in limestone is :
(a) CaO
(b) SiO₂
(c) MnO
(d) None of these
Temperature to be maintained during pasteurization should be :
(a) 43°C for 15 minutes
(b) 62°C for 15 minutes
(c) 72°C for 15 minutes
(d) 100°C for 10 minutes
Viruses have :
(a) only RNA
(b) only proteins
(c) RNA and proteins
(d) RNA, DNA and proteins
Dwarfing rootstock in apple is :
(a) M9
(b) M10
(c) M13
(d) M19
Maximum hybrids are released in the crop :
(a) Rice
(b) Wheat
(c) Maize
(d) Sorghum
Malathion is a :
(a) Carbamate
(b) Organophosphate
(c) Organochloride
(d) Fungicide
Out of the total cultivated area, total irrigated area of India is :
(a) 33%
(b) 40%
(c) 50%
(d) 60%
World Food Day is celebrated every year on :
(a) 5 June
(b) 23 March
(c) 23 December
(d) 16 October
Frequency of colour blindness is :
(a) Higher in males
(b) Higher in females
(c) Equal in both males and females
(d) None of these
Which one of the following is the indigenous milk (milk giving) cattle breed in India ?
(a) Sahiwal
(b) Malvi
(c) Hariyana
(d) Kankrej
Jacob and Monod are famous for proposing the concept of :
(a) Natural inheritance
(b) Lac operon
(c) Null hypothesis
(d) Sex-linked chromosome

First artificially synthesized antibiotic is :
(a) Azithromycin
(b) Cephalexin
(c) Penicillin
(d) Ofloxacin
In-vitro synthesis of DNA was discovered by :
(a) F. Jacob
(b) P. Rous
(c) J. Lederberg
(d) S. Ochoa
An equipment used for drawing samples from the seed lot stored in bags or containers is :
(a) Shelter
(b) Paper towel
(c) Nobbe trier
(d) Screw Auger
The difference in the field capacity and permanent wilting point is :
(a) Capillary water
(b) Available water
(c) Hygroscopic water
(d) Gravitational water
Guttation process takes place through ________ in early morning :
(a) Stomata
(b) Lenticel
(c) Chlorophyll
(d) Hydathodes
Cells present in coil are :
(a) Parenchyma
(b) Sclerenchyma
(c) Chlorenchyma
(d) None of these
Zinder and Lederberg first described the phenomenon of :
(a) Transcription
(b) Transversion
(c) Transduction
(d) Conjugation
National Bureau of Soil Survey and Land-use Planning (NBSS & LUP) is situated at :
(a) Karnal
(b) Lucknow
(c) Mau
(d) Nagpur

The apex banking institution providing finance for agriculture and rural development since 1982 has been :
(a) SBI
(b) NABARD
(c) FCI
(d) CACP
Venturia inaequalis is responsible for :
(a) Apple scab
(b) Bitter rot in apple
(c) Powdery mildew in apple
(d) Red colour in apple
Cross between F₁ and homozygous recessive strain in maize may be termed as hybrid synthetic or open-pollinated variety is called :
(a) Test cross
(b) Back cross
(c) Reciprocal cross
(d) Diallel cross
Cultivation of major crops in India occurs due to the following reasons :
(a) Pythium graminicola
(b) Peronosclerospora sacchari
(c) Colletotrichum falcatum
(d) Colletotrichum falcatum
Bt gene is incorporated for :
(a) Disease resistance
(b) Insect resistance
(c) Herbicide resistance
(d) Stress tolerance
An anabolic process in which green plants convert light energy from sunlight with chemical energy stored in carbohydrates is termed as :
(a) Respiration
(b) Evaporation
(c) Photoperiodism
(d) Photosynthesis

Out of the total geographical area of the country, total forest cover is :
(a) 15%
(b) 18%
(c) 33%
(d) 40%
Leading pulse growing state of India is :
(a) Uttar Pradesh
(b) Maharashtra
(c) Gujarat
(d) West Bengal
Mango is commercially propagated through :
(a) Air layering
(b) Veneer grafting
(c) Whip grafting
(d) Stool layering
Among the following adopter categories, which one category consists lowest on the basis of innovativeness ?
(a) Innovators
(b) Early adopters
(c) Late adopters
(d) Laggards

ICAR (JRF) General Agriculture Question Paper – 1997