NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Agriculture MCQs (Practice_Test 42 of 56)
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- The unconsolidated material on the underlying rock called
- regolith
- Soil
- Solum
- Earth
- If a soil has a bulk density of 1.50 mg⟋m3 and a particle density of 2.65 mg⟋m3 than the percentage por space of that soil will be
- 35.0
- 38.5
- 53.4
- 48.5
- Active soil forming factor would include
- Vegetation and to pography
- Time, topography and climate
- Time, and vegetation
- Vegetation and climate
- The black cotton soils of central India have been derived from
- Granites
- Grandiosities
- Basalt
- rhyolite
- Which one of the following minerals is LEAST weather able in soil?
- Olivine
- Quartz
- Calcite
- Biotitic
- The given diagram is that of soil textural triangle. A soil having 15% clay, 65% sand and 20% silt will be classified on the basis of the given diagram, as Figur (Triangle)
- Sandy clay loam
- Loam
- Loamy sand
- Sandy loam
- Match List I (Microbial reaction) with List II (Soil organisms) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 42 of 56) List-I List-II - Sulphate reduction
- Sulphite oxidation
- Nitrate oxidation
- Nitrogen fixation
- Thiobacillus
- Desulfotomaculum
- rhodospirillum
- Nitrobactor
- A
- B
- C
- D
- 1
- 2
- 3
- 4
- 2
- 1
- 4
- 3
- 2
- 1
- 3
- 4
- 1
- 2
- 4
- 3
- Properties of four different soils are given in the following table
- Soil property Soils Soil I Soil II Soil III Soil IV Organic matter (%)
- 3.1 0.8 2.0 0.4
- Clay (%) 38.1 10.0 30.2 12.0
- Sand (%) 51.2 74.0 50.1 70.0
- Type o clay (%) 2: 1 1: 1 2: 1 1: 1 pH 5.2 5.2 5.2 5.2
- Which one of these soils will requir the largest quantity of lime to raise its pH to 65?
- Soil I
- Soil II
- Soil III
- Soil IV
- The given char shows the classification of irrigation water: Irrigation water having Na += 15 me⟋liter (Ca2 + Mg2 +) , = 8 me⟋liter and conductivity = EC-106 = 2300 umho⟋cm can be classified as
- C4S2
- C3S3
- C4S3
- C1S1
- The following figur shows the relationship between nutrient concentration in the plants and yield of crops: Which protein (s) of the curve fall (s) in hidden hunger zone?
- A and B
- B and C
- B and C
- A alone
- The best estimate of the available P in phosphatic fertilizer is obtained from the
- Water soluble fraction
- Citrate-soluble fraction
- Citrate soluble fraction
- Water soluble and citrate soluble fractions
- Given that dy⟋dx > 1 then increase of yield per unit of growth factor A = maximum yield Y = Yield without growth factor C = a constant Mitcherlich equation for evaluation of soil fertility is given
- dy (A y) C⟋dx = 2
- dy (Y A) C⟋dx = 1
- dy (A y) ⟋dx < 1
- dy (A Y) C⟋dx > 1
- E-blue is
- Defined as the isotopic ally exchangeable P in the soil and soil solution as determined by crop uptake
- Defined as the isotopically exchangeable P in the soil as determined by 32P
- The same as the L-lue
- The difference between A and L values
- Consider the following statements: Vermicom post is considered to be better because
- It does not requir turning of compost material
- It needs less composting time
- It takes place at a comparatively low temperature
- It has higher enzymatic activity
- Of these statements
- 1,2, 3 and 4 are correct
- 1 and 2 are correct
- 2,3 and 4 are correct
- 1,3 and 4 are correct
- Match List I with List II and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 42 of 56) List-I List-II - Gypsum
- 17: 17: 17
- Serpentine
- Chelates
- Magnesium fertilizer
- Micronutrient fertilizer
- Calcium fertilizer
- Compound⟋complex fertilizer
- A
- B
- C
- D
- 3
- 2
- 1
- 4
- 3
- 4
- 1
- 2
- 1
- 2
- 3
- 4
- 1
- 4
- 3
- 2
- Sulphate of Potash is preferable to Muriate of Potash (MOP) for tobacco because
- The chlorine in the MOP affects the burning quality of tobacco
- The chlorine in the MOP increases the nicotine content of tobacco
- The application of MOP results in the luxur consumption of potassium
- The sulphate iron helps to increase the availability of other nutrients
- Match List I (reactants used for the preparation of fertilizers) with List II (Fertilizer produced) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 42 of 56) List-I List-II - rock phosphate, phosphoric acid
- rock phosphate, phosphoric acid nitric acid, ammonia
- Ammonia, gypsum CO2
- Ammonia CO2
- Urea
- Ammonium sulphate
- Nitr phosphate
- Concentrated super phosphate
- A
- B
- C
- D
- 4
- 3
- 1
- 2
- 4
- 3
- 2
- 1
- 3
- 4
- 2
- 1
- 3
- 4
- 1
- 2
- Entr of potassium ions root hair in soils having a low potassium ion content in the soil is mediated through
- Ion exchange through
- Mass flow phenomenon
- Donnan equilibrium process
- Utilization of metabolic energy
- Consider the following statements: According to cohesion theor for the ascent of sap, water moves from the roots through the stems to the leaves in tall trees because of
- Forces of root pressure.
- The gradient in decreasing water potentials from the soil, through the plant to the leaves.
- Forces of adhesion of water to cell walls, especially in the leaves.
- Forces of cohesion between water molecules.
- Of these statements
- 1,2 and 3 are correct
- 2,3 and 4 are correct
- 1,3 and 4 are correct
- 1,2 and 4 are correct
- Which one of the following physiological processes requires close coordination of three different organdies such as mitochondria, chloroplast and peroxisome?
- Photosynthesis
- Photorespiration
- repiration
- Protein synthesis
- Which of the following ar characteristic of C4 plants?
- Ther ar two CO2 acceptor namely PEP and ruBP
- ruBP carboxylase is present in the mesophyll cells.
- The first stable product is a 4-rbon compounds.
- Oxygen does not have any inhibitory effect on the process.
- Select the correct answer using the codes given below:
- 1,2 and 4
- 1,3 and 4
- 2,3 and 4
- 1,2 and 3
- Which one of the following is a set of high energy products of the light reaction of photosynthesis that ar used in dark reaction?
- ATP and plastocynine
- ATP and NADP
- ATP and (NADPH + H +)
- Plastoquinone and ferridoxine
- Which of the following pair of hormones and bioassay techniques are correctly matched?
- Match Item 1: Cytokinin
- Match Item 2: Radish cotyledon test
- Match Item 1: Gibherellic acid
- Match Item 2: Rice second leaf test
- Match Item 1: Indole
- Match Item 2: Acetic acid oleoptile curvatur test
- Select the correct answer using the codes given below:
- 2 and 3
- 1 and 2
- 1 and 3
- 1,2 and 3
- Which of the following statements about carotenoids are correct?
- Carotenoids present in coleoptile affect the destruction of auxin by light.
- Pollens generally carried by insects for pollination contains carotenes whereas carotenoild pigments ar rarely detected in pollens of wind pollinated flowers.
- They cause a suitable drop in light intensity leading to a gradient of increasing auxin concentration from the lighted side to the darker side.
- They absor blue light to produce phototropic curvatur in oat coleoptiles in phycomyces and also in certain blue-een algae.
- Select the correct answer using the codes given below:
- 2,3 and 4
- 1.2 and 4
- 1,3 and 4
- 1.2 and 3
- Match List I (Sources of character) with List II (Character exploited) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 42 of 56) List-I List-II - Norin-
- Opaque-2
- Dee-e-o-n
- Lr genes
- resistance to Puccinia recondite causing leaf rust in wheat
- Semi dwarfing habit in rice
- Protein content in maize
- Shor statur in wheat
- A
- B
- C
- D
- 4
- 3
- 1
- 2
- 4
- 3
- 2
- 1
- 3
- 4
- 1
- 2
- 3
- 4
- 2
- 1
- Given that the somatic chrom9osome number of Triticum aestivum is 2n = 6x = 42, which one of the following pair is correctly matched?
- Match Item 1: Monosome
- Match Item 2: N = 40
- Match Item 1: Trisome
- Match Item 2: 2n = 42
- Match Item 1: Tetrasome
- Match Item 2:= 41
- Match Item 1: Nullisome
- Match Item 2: 2n = 41
- When breaks occur in two chromosomes simultaneously in a nucleolus and the broken chromosomes rejoin in a new maner it results in
- Deletion
- Duplication
- Translocation
- Inversion
- Consider the following statements:
- Heterochromatin is concentrated near the nuclear envelope and near the nucleolus.
- Eurchromation is visible during interphone and is distributed throughout the nuceloplasm
- Euchromatin is concentrated near the nucleolus and near the nuclear envelope
- Of these statements
- 1,2 and 3 are correct
- 1 and 2 are correct
- 2 and 3 are correct
- 1 and 3 are correct
- The segregation of individuals in the F2 or ion a later generation of a cross, which shows a mor extreme development of a character than either parent is termed as
- Hybridization
- Heterosis
- Linkage
- Transgress segregates
- Heritability maybe defined as the
- Interaction product of genotype with environment
- Sum total of hereditar material present in a species
- Degree of resemblance between the original and the selected plants
- Proportion of phenotypic variability variability which is due to heredity