ICAR Previous Year Question Paper Agronomy JRF 2019

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ICAR Previous Year Question Paper

ICAR Previous Year Question Paper

ICAR Previous Year Question Paper Agronomy

Q.1 Probability can take values from?

  1. -a to +a
  2. -a to+1
  3.  0 to+1
  4. -1 to+1
0 to+1

Q.2 The error degree of freedom for 7 treatment laid-out in a Completely Randomized Design with 4 repetitions is?

  1. 20
  2. 21
  3. 18
  4. 25

21

Q.3 Khaira disease e in rice is caused due to?

  1. BacteriaI blight
  2. molybdenum
  3. Zinc deficiency
  4.  Iron deficiency

Zinc deficiency

Q.4 A gene that has masking effect on the other gene controlling the same trait is called?

  1. Recessive gene
  2. Haypostatic gene
  3. Epistatic gen
  4. Major gene

Epistatic gene

Q.5 Plants release O2 during?

  1. Light reaction
  2. Dark reaction
  3. Respiration
  4. Transpiration

Light reaction

Q.6 The first commercial hybrid of rapeseed mustard developed on the basis of four CMS system was?

  1. PGSH 51
  2. NRCHB 506
  3. DMH 1
  4. PAC 432

NRCHB 506

Q.7 Seed viability of groundnut can be improved by?

  1. Sun drying of pods after harvesting
  2. Shade drying of pods after harvesting
  3. Oven drying of pods after harvesting
  4. Drying of pods in the plants itself before harves

Shade drying of pods after harvesting

Q.8 Rice inflorescence has got?

  1. 5 stamens
  2. 6 stamens
  3. 4 stamens
  4. 3 stamens

6 stamens

Q.9 Buck wheat belongs to family?

  1. Gramineae
  2. Tiliacae
  3. Polygonaceae
  4. Poaceae

Polygonaceae

Q.10 Seeding of cold clouds is achieved by?

  1. Water drop technique
  2. Water spray technique
  3. Silver iodide seeding
  4. Potasium iodide seeding

Silver iodide seeding

Q.11 IGFRI is located at?

  1. Jhansi
  2. Jorhat
  3. Jodhpur
  4. Jaipur

Jhansi

 

Q.12 Brassica juncea is?

  1. Yelow sarson
  2. Indian mustard
  3. Karan rai
  4. Gobhi sarson

Indian mustard

Q.13 The production of groundnut fluctuates mainly due to?

  1. Excess evaporation
  2. Excess transpiration
  3. Eratic distribution of rainfall
  4. High temperature

Eratic distribution of rainfall

Q.14 A barley plant in a wheat crop is?

  1. Annual weed
  2. Rouge weed
  3. Relative weed
  4. 4.Absolute weed

Relative weed

Q.15 Major problem in bajra cultivation is due to?

  1. Disease m
  2. Insect n
  3. Weed manag
  4. Crop establishment

Crop establishment

16.Moisture Deficit Index (MDI) in semi-arid climate is?

  1. 0.0 to 3
  2. 66.6 to 99.9
  3. -33.3 to-66.6
  4. Above 99.9

-33.3 to-66.6

Q.17 Brown manuring is used in?

  1. Rice
  2. Wheat
  3. Maize
  4. Jowar

Rice

 

Q.18 The primary purpose of blocking in field experiments is to reduce?

  1. Experimental error
  2. Block error
  3. Replication error
  4. Treatment error

Experimental error

Q.19 The number of coordinating zones for wheat in India is?

  1. 4
  2. 5
  3. 6
  4. 7

6

Q.20 Active ingredient in pendimethalin is?

  1. 33%
  2. 30%
  3. 27%
  4. 35%

30%

Q.21.CAN is?

  1. An acid forming fertilizer
  2. A neutral fertilizer
  3. An alkaline fertilizer
  4. An organic fertilizer

A neutral fertilizer

Q.22 Leaf Priming is harvesting technique in?

  1. Tobacco
  2. Chickpea
  3. Sugarcane
  4. Potato

Tobacco

Q.23 Optimum temperature for nitrification is?

  1. 5-20c
  2. 0-25°C
  3. 25-35°C
  4. 35-40°C

25-35°C

Q.24 The correct sequence of stages of mitosis is?

  1. Interphase, Prophase and Metaphase
  2. Interphase, Prophase and Anaphase
  3. Prophase, Telophase and Anaphase lI
  4. Prophase I , Metaphase I and Telophase ll

Prophase I , Metaphase I and Telophase ll

Q.25 In IW/CPE ratio at 0.6 constant and 6 cm irigation water requirement for wheat, irrigation is to be given when cumulative pan evaporation reading is?

  1. 50 mm
  2. 100 mm
  3. 500 mm
  4. 350 mm

100 mm

26.Element involved in energy (ATP) transfer is?

  1. Al
  2. Cu
  1. Mn
  2. P

P

Q.27 Demand and supply based water requirement of a crop is?

  1. WR=IR+ER
  2. WR=IR+ER+S
  3. WR=R-IR
  4. WR=IR+ER+ ET

WR=IR+ER+S

28.Crops production is releted to?

  1. supply of nutrients
  2. production of crops
  3. manegment of crops
  4. pest manegment in crops

production of crops

Q.29″ Sum of the area planted to different crops and harvested in a single year, divided by the total cultivated area and expressed as percentage in known as?

  1. Multiple cropping index
  2. Cropping intensity index
  3. Cropping intensity
  4. Rotation intensity

Cropping intensity

Q.30 Common rock density is?

  1. 2.6-2.7 g/cc
  2. 3.7-3.0 g/cc
  3. 3.0- 3.3g/cc
  4. 3.0-3.6 g/cc

2.6-2.7 g/cc

31.harmone which is also termed as stress hormone in plants is?

  1. Ethylene
  2. Auxin
  3. Gibberellin
  4. ABA

ABA

Q.32 One molecule of glucose contains?

  1. 12K cal
  2. 40 K cal
  3. 686 K cal
  4. 343 K cal

686 K cal

Q.33 In jute bark fibres are developed from?

  1. Phloem tissue
  2. Xylem tissue
  3. Cortex
  4. Plasmodesmata

Phloem tissue

Q.34 Match the following columns?

Concept/Term Coined by
(i) SRI (a) William Gand
(ii) Green revolution (b) Molisch
(iii) Evergreen revolution (c) R.D.Asana
(iv) Rainfed wheat ideotype (d) M. S. Swaminathan
(v) Allelopathy (e) Fr Henry De Laulanie

Find the correct match

  1. (i)-(b),(ii)-(c),(iii)-(a),(iv)-(e),(v)-(d)
  2. (i)-(c),(ii)-(a),(iii)-(b),(iv)-(d),(v)-(e)
  3. (i)-(e),(ii)-(d),(iii)-(b),(iv)-(c),(v)-(a)
  4. (i)-(e),(ii)-(a),(iii)-(d),(iv)-(c),(v)-(b)

(i)-(e),(ii)-(a),(iii)-(d),(iv)-(c),(v)-(b)

Q.35 Plants growing under high salt concentration are called as?

  1. Glycophytes
  2. Halophytes
  3. Ephemerals
  4. Mesophytes

Halophytes

Q.36 The yearly sequence and spatial arrangement of crops or crops and fallow is known as?

  1. Cropping system
  2. Cropping pattern
  3. Farming system
  4. Intensive cropping

Cropping pattern

Q.37 Neovossia indica causes?

  1. Loose smut in wheat
  2. Powdery mildew in pea
  3. Karnal bunt in wheat
  4. Ergoti in bajira

Karnal bunt in wheat

Q.38 Multigerm seed is found in crop?

  1. Sugarcane
  2. Sugarbeet
  3. Cotton
  4. Sunflower

Sugarbeet

Q.39″ Decalcifying effect of NHCl in soil is more than (NH4) S04 because of the production of?

  1. More soluble CaCl2
  2. Less soluble CaCl2
  3. More soluble CaSO4
  4. Less soluble CaSO4

More soluble CaCl2
 

Q.40 The ratio of leaf area to ground area is known as?

  1. Leaf area
  2. Leaf area index
  3. Ground area
  4. Leaf area ratio

Leaf area index

ICAR Previous Year Question Paper Agronomy

41. If the recommended dose of oxydiazon (25% a.i) to rice in 0.75 kg a.i/ha, how much amount of commercial product will you apply in the crop?

  1. 2.0 kg/ha
  2. 2.5 kg/ha
  3. 3.0 kg/ha
  4. 3.5 kg/ha

3.0 kg/ha

Q.42 The frequency of recombination between two linked genes cannot exceed beyond?

  1. 25%
  2. 35%
  3. 60%
  4. 70%

60%

Q.43 One hectare-cm water is equal to?

  1. 1000 litres
  2. 10.000 litres
  3. 1,00,000 litres
  4. 10,00,000 litres

1,00,000 litres

Q.44 Which of the following undergoes reduction first just after O2 is depleted?

  1. NO3
  2. MnO2
  1. FeOH3
  2. CO2

NO3

Q.45 pCO2 in submerged soil declines rapidly when soil is rich?

  1. Organic matter
  2. Silicate ions
  3. Fe and Mn
  4. Al ions

Fe and Mn

Q.46 Darcy’s law governs?

  1. Soil hydraulic conductivity
  2. Soil Infiltration rate
  3. Soil perameability
  4. Soil penetrability

Soil hydraulic conductivity

Q.47 Interveinal chlorosis and whitening of leaves are the acteristic features of?

  1. Nitrogen deficiency
  2. Zinc deficie
  3. Iron deficiency
  4. Phosphorous deficiency

Iron deficiency

Q.48 Current rate of fertilizer consumption in India is?

  1. 128 kg ha-1
  2. 138 kg ha-1
  3. 150 kg ha-1
  4. 160 kg ha-1

138 kg ha-1

Q.49 In a population of size 10, the possible number of samples of size2 will be?

  1. 45
  2. 40
  3. 35
  4. 56

45

<script>

Q.50 In India cotton is grown from?

  1. 9° to 31° N
  2. 30° to 40° N
  3. 35° to 45° N
  4. 40° to 50° N

9° to 31° N

Q.51 Wheat crop has how many species?

  1. 10
  2. 12
  3. 15
  4. 18

18

Q.52 Which of the following is a P-solubilizing bacterium?

  1. PSB
  2. Clostridium
  3. VAM
  4. Azotobactor

PSB

Q.53 If % P2O5 in a fertilizer is 46,% P will be?

  1. 58.00
  2. 24.7
  3. 20.2
  4. 46.4

20.2

Q.54 Cyclone normally moves at a speed of?

  1. 400-500 km/ day
  2. 300-400 km/ day
  3. 200-300 km/ day
  4. 100-200 km/ day

400-500 km/ day

Q.55 Optimum temperature required for jute retting is?

  1. 28oC
  2. 38oC
  3. 34oC
  4. 40oC

34oC

Q.56 The enzyme secreted by embryo of seeds which induces germination process is?

  1. Auxin
  2. Cytokinin
  3. Gibberellin
  4. Ethylene

Gibberellin

Q.57 Alternate host weed for gram caterpillar in red gram is?

  1. Agropyron repens
  2. Chenopodium album
  3. Amaranthus viridis
  4. Echinochloa sp.

Amaranthus viridis

Q.58 Cell theory (1838) was proposed by?

  1. Lamarck
  2. August Weismann
  3. Schleiden and Schwann
  4. Maupertuis

Schleiden and Schwann

Q.59 Cyprus rotundus is a?

  1. Annual weed
  2. Biennial weed
  3. Perennial weed
  4. Economical weed

Perennial weed

Q.60 Muriate of potash is the name of?

  1. HCI
  2. NaCl
  3. KCI
  4. NH4CI

KCI

Q.61 Saline-Alkali soils have?

  1. EC > 4, pH> 8.5 & ESP> 15
  2. EC > 4, pH<8.5 & ESP<15
  3. EC > 4, pH >8.5 & ESP>15
  4. EC<4, pH>8.5 & ESP<15

EC > 4, pH> 8.5 & ESP>15

Q.62 Wilt resistant variety of chickpea is?

  1. K 850
  2. Pusa 375
  3. Pusa 362
  4. Pant 114

Pusa 362

Q.63 Pre-harvest aflatoxin contamination in groundnut can be prevented by?

  1. Growing cultivar that matures before the end of rain
  2. Growing cultivar that matures long after the rain ends
  3. Growing cultivar that matures at the end of the rain
  4. Subjecting the cultivars to drought stress at later stages

Growing cultivar that matures at the end of the rain

Q.64 Pistia stratiotes is?

  1. Submerged weed
  2. Emerged weed
  3. Marginal weed
  4. Floating weed

Floating weed

Q.65 For rabi sunflower, irrigation has been found to be optimum at IW:CPE ratio of?

  1. 0.65
  2. 0.75
  3. 0.85
  4. 0.95

0.75

Q.66 Integrated farming system means?

  1. Integration of two cropping systems
  2. Integration of same enterprises
  3. Integration of two crops
  4. Integration of two or more than two enterprises

Integration of two or more than two enterprises

Q.67 Shade loving plants are referred to as?

  1. Heterophytes
  2. Sciophytes
  3. Mesophytes
  4. Short-day plants

Sciophytes

Q.68 Iron deficiency is common in?

  1. High pH calcareous soils
  2. Acidic soils
  3. Neutral soils
  4. Strongly acidic soils

High pH calcareous soils

Q.69 Nitrogen content in ammonium sulphate is?

  1. 46%
  2. 20.6%
  3. 25.0%
  4. 26.0%

20.6%

Q.70 The test between two population variances is done by?

  1. Arithmetic mean
  2. F-test
  3. T-test
  4. Z-test

F-test

Q.71 Triple superphosphate is made by treating rock phosphate with?

  1. H2SO4
  2. H3PO4
  3. HCI
  4. HNO3

H3PO4

Q.72 The decrease in air temperature with increasing height is known as?

  1. Adiabatic lapse rate
  2. Lapse rate
  3. Height lapse rate
  4. lonization rate

Lapse rate

Q.73 Cyperus iria is propagated through?

  1. Stem
  2. Rhizome
  3. Seed
  4. Root

Seed

Q.74 Herbicide selective to all oil seed crops is?

  1. Propanil
  2. MCPA
  3. Pendimethalin
  4. Monuron

Pendimethalin

Q.75 Dapog' method of nursery is related to?

  1. Tobacco
  2. Paddy
  3. Maize
  4. Sorghum

Paddy

Q.76 Root rot disease in cotton is caused due to?

  1. Rhizoctonia bataticola
  2. Fusarium udum
  3. Xanthomonas campestris
  4. Colletotrichum falcatum

Rhizoctonia bataticola

Q.77 Ammonium sulphate is?

  1. An acid forming fertilizer
  2. Not an acid forming fertilizer
  3. A neutral fertilizer
  4. A pH raising fertilizer

An acid forming fertilizer

Q.78 Safe moisture level for storage of safflower is?

  1. 13-15%
  2. 11-12%
  3. 9-10%
  4. 5-8%

5- 8%

Q.79 Plank's law is related to?

  1. Radiation
  2. Gravity
  3. Infiltration rate
  4. Crop respons

Radiation

Q.80 Type of soil which has low permeability?

  1. Saline
  2. Alkali
  3. Acidic
  4. Laterite

Alkali

Q.81 Crop designated as "Queen of Cereals" is?

  1. Paddy
  2. Maize
  3. Pearl millet
  4. Oats

Maize

Q.82 Fertilizer News is published by?

  1. Soil Science Society of India
  2. Agronomy Society of India
  3. I.C.A.R
  4. Fertilizer Association of India

Fertilizer Association of India

Q.83 Moisture content at which paddy yield is reported?

  1. 10
  2. 14
  3. 16
  4. 18

14

84 Safflower needs growing degrees days (GDD) for Successful production?

  1. 1500
  2. 2000
  3. 2500
  4. 3000

2000

85 Chlorophyll a absorb maximum light in?

  1. UV range
  2. Red spectrum
  3. Green spectrum
  4. IR spectrum

Red spectrum

Q.86 In forecasting of rainfall, the word 'isolated rain' denotes how much of the area receiving rain?

  1. 1/5
  2. 1/4
  3. 1/3
  4. 1/2

1/3

Q.87 Polarimeter is used for?

  1. Sucrose estimation
  2. Nitrogen estimation
  3. Oil estimation
  4. Plant/tree height measurement

Sucrose estimation

Q.88 'Rock-phosphate is suitable for?

  1. Acidic soils
  2. Alkali soils
  3. Saline soils
  4. All type of soils

Acidic soils

Q.89 Mitscherlich equation is?

  1. dy/ dx =(A- C) C
  2. dy/ d= A xC
  3. dy/ dx =(A+ C) C
  4. dy/x= (A- C) C

dy/ dx =(A- C) C

Q.90 Plants appear green because they?

  1. Reflect green radiation
  2. Absorb green radiation
  3. Absorb all radiation
  4. Reflect all radiation

Reflect green radiation

Q.91 Variance is the square of?

  1. Range
  2. Standard deviation
  3. Quartile deviation
  4. Mean deviation

Standard deviation

ICAR Previous Year Question Paper Agronomy

Q.92 Crop that has nodules both in stem and root?

  1. Sesbania rostrata
  2. Vigna mungo
  3. Cajanus cajan
  4. Glycine max

Sesbania rostrata

Q.93 A cotton plant is considered to be suffering from N stress if petiole nitrate-N of a mature leaf falls below?

  1. 2000 ppm
  2. 2500 ppm
  3. 3000 ppm
  4. 3500 ppm

2000 ppm

Q.94 Synthetic auxins are?

  1. IBA, NAA and 2, 4 D
  2. 2,4 D, MCPA and MH
  3. 2,4 D, MCPA and PMA
  4. IAA, IBA and NAA

IBA, NAA and 2, 4 D

Q.95Apparently, the first inbreeding experiments with maize were those reported by?

  1. Darwin (1876)
  2. Shull (1874)
  3. East (1914)
  4. Hull (1876)

Darwin (1876)

Q.96 The 17th nutrient added to the list of essential elements is?

  1. Boron
  2. Molybdenum
  3. Chlorine
  4. Nickel

Nickel

97 Match the following columns?

Books Author(s)/Editor
(i) Text book of Field Crop Production (a) Dr.Chidda Singh
(ii) Modern Techniques of Raising Field Crops. (b) Dr. Rajendra Prasad
(iii) Soil Fertility and Fertilizers  (c) Tisdate,Nelson,Beaton and Havlin
(iv) Principles and Practices of Rice Production (d) Trewartha and Hon
(v) An Introduction to Climate (e) S K De Datta

Find the correct match

  1. (i)-(b), (ii)-(a), (iii)-(c), (iv)-(e), (v)-(d)
  2. (i)-(a), (ii)-(c). (iii)-(b), (iv)-(e), (v)-(d)
  3. (i)-(c), (ii)-(a), (iii)-(b), (iv)-(d), (v)-(e)
  4. (i)-(e), (ii)-(b), (iii)-(d), (iv)-(c). (v)-(a)

(i)-(b), (ii)-(a), (iii)-(c), (iv)-(e), (v)-(d)

Q.98 The value of r (correlation coefficient) ranges between?

  1. -1 and 0
  2. +1 and 0
  3. +1 and-1
  4. +0.9 and-0.9

+1 and-1

Q.99 Pusa 209 is a variety of?

  1. Gram
  2. Mustard
  3. Redgram
  4. Lentil

Gram

100 Availability of which form of P is highest at pH 6-7?

  1. H2PO4
  2. HPO4
  3. PO4
  4. H3PO4

H2PO4

<script> <script>

Q.101 Safe limit of NO3 - content in ground water is?

  1. 45-50 mg/litre
  2. 60-70 mg/litre
  3. 75 -80 mg/litre
  4. 85-95 mg/litre

45-50 mg/litre

Q.102 Winter rainfall is restricted more to?

  1. North India
  2. South India
  3. Kerala
  4. Andhra Pradesh

North India

Q.103 Transcription does not involve?

  1. Uncoiling of DNA molecule
  2. Synthesis and action of enzyme RNA polyme
  3. Chain initiation and elongation
  4. Synthesis of mRNA/hnRNA

Synthesis of mRNA/hnRNA

Q.104 Sunflower is an indicator plant for the deficiency of?

  1. N
  2. K
  3. B
  4. Zn

B

Q.105 Rice is grown maximum in which season?

  1. Monsoon (Kharif)
  2. Autumn
  3. Rabi
  4. Summer

Monsoon (Kharif)

Q.106 Enforced dormancy of weed seeds can be broken by?

  1. Tillage
  2. Pre-emergence application of herbicide
  3. Post-emergence application of herbicide
  4. Irrigation

Tillage

Q.107 Jointing stage in wheat starts how many days after sowing?

  1. 30-45
  2. 45-60
  3. 60-75
  4. 70-90

45-60

Q.108 Plant micronutrients are?

  1. Fe, Zn, Mn, Cu & B
  2. Ca, Zn, Ni & CI
  3. Mg, Mn, Cu & Fe
  4. N, P. K & S

Fe, Zn, Mn, Cu & B

Q.109 Minor irigation project area is confined to?

  1. <2000 ha
  2. 2500-3000 ha
  3. 4000-5000 ha
  4. 5500-7500 ha

<2000 ha

Q.110 Boron deficiency first appears on?

  1. Old leaves only
  2. Young leaves only
  3. Both old and young leaves
  4. Termins buds

Termins buds

Q.111 N fixation in root nodules of soybean?

  1. Begins with the appearance of leghemoglobin
  2. Begins with the initiation of bacterial division
  3. Begins after 7th week of nodule age
  4. Begins with the partial dissolution of root cell wall by pectic enzymes

Begins with the appearance of leghemoglobin

Q.112 An early maturing variety of sugarcane is?

  1. CoS 767
  2. Co 0238
  3. Co Pant 90223
  4. CoS 88216

Co 0238

Q.113 Mukta is a variety of?

  1. Mustard
  2. Sesame
  3. Linseed
  4. Castor

Linseed

Q.114 The maximum area and production of chickpea is in?

  1. U.P.
  2. Bihar
  3. M.P.
  4. Rajasthan

M.P.

Q.115 The shell of groundnut pod is morphologically known as?

  1. Pericarp
  2. Kernel
  3. Testa
  4. Nut

Pericarp

Q.116 Optimum temperature for tuberization in potato is?

  1. < 20° C
  2. 20-25° C
  3. 25-30° C
  4. 30-35° C

< 20° C

Q.117 Insecticide is always to be applied at?

  1. ElL stage
  2. ETL stage
  3. Equilibrium position
  4. Damage boundary

ETL stage

Q.118 Mn+ deficiency occurs in rice grown in?

  1. Upland soil
  2. Sandy soil
  3. Low land soil
  4. Sandy loam soil

Upland soil

 

Q.119 Under conservation tillage soil aggregate stability (%) increases because of?

  1. Higher glomalin production
  2. Lower glomalin production
  3. Higher urease production
  4. Lower urease production

Higher glomalin production

Q.120" In degraded paddy soil ammonium chloride is?

  1. Inferior to ammonium sulphate
  2. Same as that of ammonium sulphate
  3. Superior to ammonium sulphate
  4. Not recommended at all

Inferior to ammonium sulphate

Q.121 Sorghum halepense was introduced in India from?

  1. USA
  2. Australia
  3. Brazil
  4. Japan

USA

Q.122 Kind of protein mainly responsible for baking is?

  1. Albumin
  2. Globulin
  3. Prolamin
  4. Glutamine-gluten

Glutamine-gluten

Q.123Ammoniacal fertilizer fertilizer efficiency is maximum when it is applied in?

  1. Split doses
  2. Oxidized zone
  3. All at a time
  4. Reduced Zone

Reduced Zone

Q.124 National Academy of Agricultural Research Management is located at?

  1. Nagpur
  2. Hyderabad
  3. New Delhi
  4. Karnal

Hyderabad

Q.125 Rice blast is caused by?

  1. Helminthosporium oryzae
  2. Rhizoctonia solanai
  3. Scelerotium orybal
  4. Pyricularia oryzae

Pyricularia oryzae

Q.126 Moist and Hot Air Treatment (MHAT) is done to check?

  1. Grassy shoot disease in sugarcane
  2. Ergot in Bajra
  3. Downy mildew of maize
  4. Powdery mildew in pea

Grassy shoot disease in sugarcane

Q.127 Reddening of leaves in cotton is observed due to deficiency of?

  1. Iron
  2. Boron
  3. Magnesium
  4. Sulphur

Magnesium

Q.128 Soil pH goes below 5 due to exchange of?

  1. H+ ions
  2. Al+ + Fe+ ions
  3. Ca+ ions
  4. Na+ ions

Al+ + Fe+ ions

129. Match the following columns?

Food Highest  Producer
(i) Rice (a) India
(ii) Sunflower (b) Canada
(iii) Maize (c) Russia
(iv) Lentil (d) USA
(v) Milk (e) China

Find the correct match

  1. (i)-(a), (ii)-(c), (iii)-(b), (iv)-(e), (v)-(d)
  2. (i)-(c), (ii)-(d), (iii)-(e), (iv)-(a), (v)-(b)
  3. (i)-(b), (ii)-(d), (iii)-(c), (iv)-(a), (v)-(e)
  4. (i)-(e), (ii)-(c), (iii)-(d), (iv)-(b), (v)-(a)

(i)-(e), (ii)-(c), (iii)-(d), (iv)-(b), (v)-(a)

Q.130 Two sister chromatids of each chromosome separate from each other in?

  1. Anaphase I
  2. Telophase I
  3. Diakinesis
  4. Pachytene

Anaphase I

 

Q.131 Mechanism of nutrient mobility was given by?

  1. Patrick
  2. Bray
  3. Arnon
  4. Russel

Bray

Q.132 The dormancy of sunflow seed is due to the presence of germination inhibitors in seed kernel up to_and seed-coat up to_after harvest.?

  1. 10 days, 45 days, respectively
  2. 15 days, 55 days, respectively
  3. 20 days, 40 days, respectively
  4. 25 days, 35 days, respectively

10 days, 45 days, respectively

Q.133 Water requirement for nursery preparation in rice is?

  1. 50-200 mm
  2. 00-300 mm
  3. 00-350 mm
  4. 300-400 mm

Q.134 Day neutral plants are?

  1. Tomato, Cotton and Sunflower
  2. Cucumber, Wheat and Spinach
  3. Tobacco, Safflower and Wheat
  4. Wheat, Barley and Berseem

Tomato, Cotton and Sunflower

Q.135 E-Nino refers to?

1.Abnormal warming of the ocean and resulting effect on weather

2.Reflection of radiation

3.Cooling of ocean

4.Southern oscillation

Abnormal warming of the ocean and resulting effect on weather

Q.136 Eichomia crassipes is a?

  1. Aquatic weed
  2. Semi-aquatic weed
  3. Mesophytic weed
  4. Absolute weed

Aquatic weed

Q.137 Agri-silviculture involves?

  1. Cereals and pulses
  2. Cereals and oil seeds
  3. Crops and trees
  4. Crops and pasture

Crops and trees

Q.138 lsoproturon kills Phalaris minor but does not affect wheat because of the presence of?

  1. Cytochrome P-450 enzyme
  2. Cytochrome A-370 enzyme
  3. Cytochrome enzyme
  4. Cytokinin enzyme

Cytochrome P-450 enzyme

Q.139 Synthesis of proteins based on code in RNA, outside nucleus is?

  1. Processing
  2. Transcription
  3. Translation
  4. Replication

Translation

Q.140 The cropping system which has maximum area in India is?

  1. Rice-Rice
  2. Rice-Wheat
  3. Maize-Potato
  4. Maize-Wheat

Rice-Wheat

Q.141 Inbreeding depression is not a Process of degeneration but a consequence of?

  1. Loss of out crossing
  2. Mendelian segregation
  3. Selfing
  4. Break down of dominance

Loss of out crossing

Q.142 " Intercropping is insurance against?

  1. Increasing productivity
  2. Utilization of space
  3. Failure of crop
  4. Increasing crop competition

Failure of crop

ICAR Previous Year Question Paper Agronomy

Q.143. The top portion of sugarcane plant is good for seed material because it contains?

  1. More number of buds and more supply of nutrients
  2. More sucrose
  3. Less molassgenic substances
  4. Thick walled meristem

More number of buds and more supply of nutrients

 

Q.144 Biofertilizer commonly used in rice is?

  1. Azotabactor
  2. Azospirillum
  3. Azola
  4. Frankia

Azola

145 The word Agronomy has its origin from?

  1. Sanskrit
  2. English
  3. Latin
  4. Greek

Greek

146 Which of the following is not related to changes in number of chromosomes?

  1. Monoploidy
  2. Hexaploidy
  3. Pentaploidy
  4. Inversion

Inversion

Q.147 Soybean belongs to the sub family?

  1. Faboideae
  2. Fabaceae
  3. Cruciferae
  4. Pedaliaceae

Fabaceae

Q.148 Which of the following is not a cultivated species of sugarcane?

  1. Saccharum officinarum
  2. Saccharum barberi
  3. Saccharum sinense
  4. Saccharum robustum

Saccharum robustum

 

Q.149 Maximum concentration of ozone is found in?

  1. Tropospher
  2. Stratosphere
  3. Mesosphere
  4. Thermosphere

Stratosphere

Q.150 Who discovered the nucleus in cells of flowering plants?

  1. L da Vinci
  2. R. Linnaeus
  3. R. Brown
  4. R. Hooke

R. Brown

Q.151 Reclamation of sodic soil is done by application of?

  1. Lime
  2. Press mud
  3. Gypsum
  4. Pyrites

Gypsum

Q.152 This gas present in the highest concentration in the atmosphere is?

  1. CO2
  2. O2
  3. N2
  4. Ne

N2

Q.153 Maximum leaf area in wheat is observed at?

  1. Tillering stage
  2. Crown-root initiation stage
  3. Booting stage
  4. Booting/flag leaf stage

Booting/flag leaf stage

Q.154 In a field trial with 7 treatments and 5 replications if the Tr ss and Error ss values are 280.60 and 196.50, the calculated F value will be?

  1. 4.59
  2. 5.59
  3. 6.48
  4. 6.36

5.59

Q.155 Sugarcane Breeding Institute is located at?

  1. Coimbatore
  2. Lucknow
  3. Hyderabad
  4. Kerala

Coimbatore

ICAR Previous Year Question Paper Agronomy

Q.156 Electrical conductivity of good quality irrigation water must be?

  1. <1.5 dS/ m
  2. 1.5-2.5 dS/ m
  3. 3-5.0 ds/ m
  4. >6.0 dS/ m

<1.5 dS/ m

Q.157 One bale of cotton is equal to?

  1. 170 kg
  2. 180 kg
  3. 185 kg
  4. 195 kg

170 kg

Q.158 Which of the following methods of sowing requires the lowest seed rate in wheat?

  1. Broadcasting
  2. Transplanting
  3. Dibbling
  4. Line-sowing

Dibbling

Q.159 Crop grown in between main crop rows is called?

  1. Intercrop
  2. Trap crop
  3. Row crop
  4. Mixed crop

Intercrop

Q.160 Source of O2 evolution in photosynthesis is/are?

  1. Water only
  2. Carbon dioxide only
  3. Both water and carbon dioxide
  4. Nitrous oxide

Water only

ICAR Previous Year Question Paper Agronomy

 

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