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You Are On Multi Choice Question Bank SET 3148
157401. The rocks formed by the solidification of molten magma :
(A): Sedimentary rocks (B): Marble (C): Igneous rock (D): Metamorphic rock
157402. The concentration of_____________ gas is higher in soil air compared to atmospheric air.
(A): Argon (B): Nitrogen (C): Carbondioxide (D): Oxygen
157403. Stoke’a law is the principle behind- analysis.
(A): Particle size (B): Particle density (C): Cation exchange capacity (D): None of the above
157404. The mobilization and translocation of soil materials from a horizon in solution or suspension by percolating water:
(A): Illuviation (B): Eluviation (C): Humification (D): None of the above
157405. The most abundant element in earth’s crust is :
(A): Magnesium (B): Iron (C): Silicon (D): Oxygen
157406. In Kerala, the major soil type is
(A): Red soil (B): Black soil (C): Alluvial soil (D): Laterite soil
157407. The downward entry of water into the soil:
(A): Percolation (B): Infiltration (C): Permeability (D): Hydraulic conductivityHydraulic conductivity
157408. The mineral that is most resistant to weathering:
(A): Quartz (B): FeldsparFeldspar (C): Pyroxene (D): MicaMica
157409. Soil water held between maximum water holding capacity and field capacity :
(A): Available water (B): Capillary water (C): Gravitational water (D): Hygroscopic water
157410. The number of soil orders in Soil Taxonomy :
(A): 10 (B): 11 (C): 15 (D): 12
157411. Soil moisture can be determined by :
(A): Tensiometer method (B): Neutron scattering method (C): Gravimetric method (D): All of the aboveAll of the above
157412. Active soil forming factor is :
(A): Time (B): Climate (C): Parent material (D): ReliefRelief
157413. horizon is also referred as sub soil.
(A): O (B): A (C): B (D): C
157414. Potential due to the interaction of solutes and water in the soil is :
(A): Matric potential (B): Osmotic potential (C): Pressure potential (D): Gravitational potential
157415. Add sulphate soils occur in Kerala inregion.
(A): Onattukkara (B): Pokkali (C): Kuttanad (D): Kaipad
157416. Black soils found in India are :
(A): Swell-shrink soils (B): Sandy soils (C): Loamy soils (D): None of the above
157417. An important tool in IPM used for management soil borne nursery disease :
(A): Foliar spraying of fungicides/ insecticides (B): Soil solarisation followed by drenching with bioagents (C): Foliar spraying of biotic agents (D): Soil amendment with neemcake
157418. Systemic fungicide compatible with Trichoderma spp :
(A): Copper hydroxide (B): Carbendazim (C): Potassium phosphonate (D): Tridemorph
157419. Transmission of yellow vein mosaic of Bhindi:
(A): Seed (B): Insect (C): Soil (D): Plant sap
157420. Systemic fungicide which is not at all effective against Oomycete fungi:
(A): Carbendazim (B): Copper oxychloride (C): Mancozcb (D): Potassium phosphonate
157421. A fungicidal group which has bactericidal property :
(A): Triazoles (B): Dithiocarbamates (C): Benzimidazoles (D): Copper fungicides
157422. ‘Kresek’ is a symptom of ; —— of rice.
(A): Fungal disease (B): Deficiency disease (C): Bacterial disease (D): Viral disease
157423. Viroid disease of Coconut:
(A): Cadang cadang (B): Yellowing disease (C): Stem bleeding disease (D): Viral disease
157424. Arecanut disease which is caused by a mushroom fungus :
(A): Mahali (B): Stem bleeding (C): Basal stem rot (D): Inflorescence dieback and button shedding
157425. A fungal disease which is closely associated with root wilt of Coconut:
(A): Leaf rot (B): Bud rot (C): Yellowing (D): Basal stem rot
157426. Fungal biocontrol agent effective against Phytophthora rot of black pepper :
(A): Beouveria bassiana (B): Pseudomonas fluorescens (C): Trichoderma viride (D): Metarrhizium anisopleae
157427. Chilly variety resistant to bacterial wilt disease :
(A): Anagha (B): Ujwala (C): Swetha (D): Pant'samrat
157428. Panama wilt of banana is caused by :
(A): Ralstonia solanacearum (B): Fusarium oxysporum (C): Verticillium sp (D): Erwinia sp
157429. Insect associated with inflorescence blight of cashew :
(A): Stem borer (B): Leaf webber (C): Leaf hopper (D): Tea Mosquito
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