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IASRI Research Paper
IASRI Entrance Exam - Agronomy Paper
PART I (General Agriculture)
Multiple choice questions (No. 1 to 17). Choose the correct answer (a, b, c or d) and enter your choice in the circle (by shading with a pencil) on the OMR -answer sheet as per the instructions
given on the answer sheet.
1.Who is the present Chairman of Protection of Plant Varieties and Farmers' Right Authority (PPV&FRA)?
a)Dr. R.R. Hanchinal
b)Dr. P.L. Gautam
c)Dr. S. Nagarajan
d)Dr. Swapan K. Datta
2.Which among the following is another name for vitamin B12?
a)Niacin
b)Pyridoxal phosphate
c)Cobalamin
d)Riboflavin
3.The largest share in India's farm export earning in the year 2011-12 was from
a)Basmati rice
b)Non-basmati rice
c)Sugar
d)Guar gum
4.The National Bureau of Agriculturally Important Insects was established by ICAR in ________, was earlier known as _______.
a)Bangalore; PDBC
b)New Delhi; National Pusa Collection
c)Ranchi; Indian Lac Research Institute
d)New Delhi; NCIPM
5.The most important sucking pests of cotton and rice are respectively
a)Nilaparvata lugens and Aphis gossypii
b)Aphis gossypii and Thrips oryzae
c)Amrasca biguttula biguttula and Scirtothrips dorsalis
d)Thrips gossypii and Orseolia oryzae
6.Which of the following microorganism causes fatal poisoning in canned fruits and vegetables?
a)Aspergillus flavus
b)Penicillium digitatum
c)Clostridium botulinum
d)Rhizoctonia solani
7.The cause of the great Bengal Famine was
a)Blast of rice
b)Brown spot of rice
c)Rust of wheat
d)Karnal bunt of wheat
8.Actinomycetes belong to
a)The fungi
b)Eukaryote
c)Mycelia sterilia
d)None of the above
9.A virus-free clone from a virus infected plant can be obtained by
a)Cotyledonary leaf culture
b)Axenic culture
c)Stem culture
d)Meristem tip culture
10.Which of the following is not an objective of the National Food Security Mission?
a)Sustainable increase in production of rice, wheat and pulses
b)Restoring soil fertility and productivity at individual farm level
c)Promoting use of bio-pesticides and organic fertilizers
d)Creation of employment opportunities
11.The term 'Heterosis' was coined by
a)G.H. Shull
b)W. Bateson
c)T.H. Morgan
d)E.M. East
12.When a transgenic plantis crossed with a non-transgenic, what would be the zygosity status of the F1 plant?
a)Homozygous
b)Heterozygous
c)Hemizygous
d)Nullizygous
13.The highest per capita consumption of flowers in the world is in
a)The USA
b)India
c)Switzerland
d)The Netherlands
14.Which of the following is a very rich source of betalain pigment?
a)Radish
b)Beet root
c)Carrot
d)Red cabbage
15.Dog ridge is
a)Salt tolerant rootstocks of mango
b)Salt tolerant rootstocks of guava
c)Salt tolerant rootstocks of grape
d)Salt tolerant rootstocks of citrus
16.Which of the following micronutrients are most widely deficient in Indian soils?
a)Zinc and boron
b)Zinc and iron
c)Zinc and manganese
d)Zinc and copper
17.Which of the following fertilizers is not produced in India?
a)DAP
b)Urea
c)Muriate of potash
d)TSP
PART II (Subject Paper)
Multiple choice questions (No. 1 to 30). Choose the correct answer (a, b, c or d) and enter your choice in the circle (by shading with a pencil) on the OMR -answer sheet as per the instructions given on the answer sheet.
1.If C:N and N:P (ratios) of a soil are 10:1 each, its C:N:P ratio would be
a)100:100:1
b)100:10:1
c)10:10:1
d)None of the above
2.The test weight of sunflower seed ranges from
a)30-40 g
b)40-50 g
c)50-60 g
d)60-70 g
3.The weed index (WI) value for weed-free check treatment is
a)0
b)1
c)-1
4.Photosynthetically active radiation (PAR) is measured by
a)Thermosensor
b)Alded ometer
c)Quantum sensor
d)None of the above
5.The actual K content (%) of a fertilizer sample having 1% K2O will be
a)0.63
b)0.73
c)0.83
d)0.93
6.The critical pH for availability of P to plants is
a)5.7
b)6.7
c)7.7
d)8.7
7.The general value of the proportionality factor C in Mitscherlich's equation is
a)0.122
b)0.314
c)0.301
d)0.601
8.If grains per earhead are 50, test weight 40 g and wheat yield is 50 q/ha, the number of ear -bearing tillers (EBT) per m2 will be
a)200
b)225
c)250
d)275
9.Continuous zero-tillage in the crop field encourage the preponderance of
a)Annual weeds
b)Biennial weeds
c)Perennial weeds
d)Parasitic weeds
10.The planting value (%) of a seed lot having purity 90% and germination 80% will be
a)52
b)62
c)72
d)82
11.The queen of cereal is
a)Rice
b)Wheat
c)Maize
d)Pearlmillet
12.Udbatta disease is associated with which of the following crops?
a)Sorghum
b)Pearlmillet
c)Rice
d)Cotton
13.Acid soils, as per USDA, are those which, in 1:1 soil water suspension, have pH less than
a)5.5
b)6.0
c)6.5
d)7.0
14.The unit for crop growth rate (CGR) is
a)g/m2(leaf area) / day
b)g/g/day
c)g/m2(land area) / day
d)g/day
15.The error degrees of freedom of an experiment undertaken in a randomized block design with 12 treatments and 3 replications will be
a)20
b)22
c)24
d)26
16.Statistical transformation of data is advised before analysis of variance to make data follow which distribution
a)Normal
b)Binomial
c)Chi-square
d)Poisson
17.The amount of solar radiation continuously emitted by sun is
a)2.0 cal/cm2/min
b)2.0 cal/min
c)1.94 cal/cm2/min
d)1.94 cal/min
18.The resistance of Phalaris minorto isoproturon is due to
a)Target-site alteration
b)Sequestration & compartmentation
c)Enhanced degradation
d)All of the above
19.The equivalent acidity of (NH4)2SO4 fertilizer is
a)100
b)110
c)115
d)118
20.An annual sedge found in rice is
a)Cyperus rotundus
b)Cyperus esenlentus
c)Cyperus iria
d)Cyperus bulbosus
21.The pH of 0.1N NaOH solution would theoretically be
a)14
b)13
c)12
d)11
22.Irrigation water is not suitable for irrigation if it contains boron (ppm) greater than
a)1.00
b)1.25
c)1.50
d)2.50
23.Stomp (Pendimethalin 30 EC) required for 3 ha of field at 0.75 kg pendimethalin/ha is
a)2.25 kg
b)7.0 kg
c)7.5 kg
d)9.0 kg
24.The base temperature of rice for calculating GDD is
a)4.5oC
b)5oC
c)8oC
d)10oC
25.A film-forming anti-transpirant used in dryland agriculture is
a)Kaolin
b)Atrazine
c)Mobileaf
d)PMA
26.A narrow-leaf dicotyledonous weed is
a)Sphenoclea zeylanica
b)Spergula arvensis
c)Conyza canadiensis
d)Asphodelus tennifolins
27.The microorganism, constituting the largest share in the total microbial population in soil is
a)Nematodes
b)Fungi
c)Bacteria
d)Actinomycetes
28.A broad-leaved monocot weed is
a)Stellaria indica
b)Heliotropium indicum
c)Melilotus indica
d)Eichhornia crassipes
29.Economic optimum dose of a nutrient is calculated if the yield response is
a)Quadratic
b)Exponential
c)Linear
d)None of the above
30.One Baule unit of P (lb P2O5/acre) corresponds to
a)55
b)50
c)45
d)40
