Test - 29 — Agri Master Mind

Damping off of nursery seedling caused by ?
  • Physoderma
  • Phythium aphanidermatum
  • Phythium debaryanum
  • Both b & c
Quick and accurate detection of viruses can be done by ?
  • ELISA
  • HADAS
  • IEM
  • All of these
The highest pesticide used crop in India ?
  • Maize
  • Rice
  • Cotton
  • Sugarcane
The smallest size of economical gobar gas plant is ?
  • 30 cu.ft.
  • 120 cu.ft.
  • 70 cu.ft.
  • 150 cu.ft.
Working life of a tractor drawn cultivator is usually ?
  • 7500 hrs
  • 5000 hrs
  • 2500 hrs
  • 10,000 hrs
Bacillus thuringiesis was discovered by ?
  • Frisch
  • Flacher
  • S Ishiwatari
  • Berliner
The spiralling whitefly is ?
  • Bemesia tabac
  • Chilo portellus
  • Aleurodicus dispersus
  • None of these
Dimethoate is ?
  • Systemic insecticide
  • Fumigant
  • Contact insecticide
  • Stomach poison
Tea rust is caused by ?
  • Bacteria
  • Virus
  • Algae
  • Virus
Loose smut of wheat is ?
  • Externally seed borne
  • Air borne
  • Internally seed borne
  • Soil borne
Baradari is an important feature of ---- garden.
  • French
  • Japanise
  • Mugal
  • English
Softening of fruits during ripening is due the breakdown of
  • Organic acids
  • Sugars
  • Peptic substances
  • Starch.
Pre-cooling refers to the cooling of fruits and vegetables
  • Immediately before harvest
  • During marketing
  • Immediately after harvest
  • During storage
Process of removal of air from the cans is known as
  • Brining
  • Blanching
  • Exhausting
  • Lye peeling
TSS content of jam should not be less than ---- %
  • 70.5
  • 72.5
  • 68.5
  • 75.5
Sweetest sugar in fruits is
  • Glucose
  • Sucrose
  • Fructose
  • Maltose
Mangala is the variety of
  • Coconut
  • Coffee
  • Arecanut
  • Mango
Soil aggregate size must be ---- diameter for good crop under irrigated conditions
  • 1 to 2 mm
  • 2 to 3 mm`
  • than 5 mm
  • 3 to 5 mm more
% depletion of available moisture is optimum for ploughing
  • 0 to 25
  • 25 to 50
  • 50 to 75
  • None of these
For close spaced crops, weeding operation is done by Star weeder Rotary weeder Both a & b None of these
Cleistogamy type of flowers
  • open before pollination
  • open after pollination
  • Don’t open at all
  • None of these
The cross between single hybrid and inbreed line is
  • Top cross
  • Double cross
  • Three way cross
  • Hybrids
Which of the following is an example of primary mineral ?
  • Gypsum
  • Limonite
  • Feldspar
  • Calcite
The process of accumulation of soluble salts in soil is termed as
  • Laterization
  • Gleization
  • Salinization
  • None of these
The arrangements of soil particles in soil mass is known as
  • Soil texture
  • Particle density
  • Soil Structure
  • Porosity
The average particle density of soil is --- g/cm3
  • 1.65
  • 3.65
  • 2.65
  • 4.65
In Munsell color chart Chroma denotes
  • Dominant spectral colour
  • Relative lightness of color
  • Relative Strength of color
  • None of these
Soil gets white color due the presence of ---
  • Ferric oxide
  • Organic matter
  • Silica & Lime
  • All of these
C:N ratio of legumes is
  • 4:1 to 9:1
  • 40:1 to 50:1
  • 20:1 to 30:1
  • 80:1 to 100:1
Which of the following is low salt tolerance crop ?
  • Gram
  • Linseed
  • Pea
  • All of these
Vertical mulching is mostly practiced in ---
  • Sugarcane
  • Pineapple
  • Coffee
  • Guava
Which atmospheric layer is also called as Ozonosphere ?
  • Thermosphere
  • Mesosphere
  • Stratosphere
  • Troposphere
For warm cloud seeding --- chemical is use
  • Silver iodide
  • Sodium iodide
  • Sodium chloride
  • Silver chloride
Uniform precipitation having water droplets size less than 0.5 mm is called as
  • Rain
  • Snow
  • Drizzle
  • Hail
Minimum transpiration recorded in --- type
  • Stomatal
  • Cuticular
  • Lenticular
  • None of these
Which of the following seed have highest genetic purity ?
  • Breeder seed
  • Truthful seed
  • Nucleus seed
  • Certified seed
Isolation distance for Certified seed production of Sorghum crop is --- m
  • 100
  • 300
  • 200
  • 1000
One gene one enzyme hypothesis is proposed by--
  • Vavilon
  • Batson
  • Beadle & Tatum
  • Muller
Chromosome number of (2n) of Maize is --
  • 14
  • 48
  • 20
  • 16
The principle male sterile line Introduce in India for hybrid Bajara production is --
  • MHB-118
  • BJ-104
  • Tift 23 A
  • CO-2
Pre harvest sprouting is observed in --- crop
  • Maize
  • Wheat
  • Groundnut
  • Sorghum
Who is the father of Biotechnology ?
  • Hanning
  • P. R. White
  • G. Haberlandt
  • G. Morel
In Banana tissue culture production size of explant is --- mm
  • 5 to 7 mm
  • 9 to 12 mm
  • 2 to 3 mm
  • 15 to 20 mm
In stomata opening and closing --- ions are associated.
  • N
  • P
  • K
  • Ca
Plants grown in acidic soil are called as
  • Halophytes
  • Lithophytes
  • Oxylophytes
  • None of these
Indian Institute of Soil Science is located at---
  • Mumbai
  • Katak
  • Bhopal
  • Delhi
Suphala is --- fertilizer
  • Straight
  • Mixed
  • Complex
  • Combined
The process of bringing wild species under human management is called as
  • Introduction
  • Acclimatization
  • Domestification
  • Evolution
Heterostyly condition there is difference in length of --- s
  • Calyx & Corolla
  • Flowers
  • Style & Filament
  • Pedicel
Sataria italica is scientific name of
  • Finger millet
  • Codo millet
  • Fox tail millet
  • Proso millet