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Meghalaya Police Service Preliminary Examination 2022 - Multiple Subjects — question paper

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Meghalaya Police Service Preliminary Examination 2022 - Multiple Subjects

Paper #3169 · 17-12-2022 · Multiple subjects · 514 reviewed questions · Showing 41–80 of 514

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Accuracy note: This is a reviewed structured rendering of an official previous-year paper and may cover only part of it. Where available, explanatory notes describe unresolved source or answer issues without supplying a scoring answer. Official examination authority notices remain final.

  1. When organic matter is applied to soil, bulk density will
    1. Increase
    2. Decrease
    3. Remain same
    4. None of the above
  2. Coal is an example of
    1. Detrital sedimentary rock
    2. Chemical sedimentary rock
    3. Organic sedimentary rock
    4. Residual sedimentary rock
  3. Which of the following soil structure is more porous?
    1. Platy
    2. Blocky
    3. Granular
    4. Crumb
  4. Father of soil microbiology
    1. Robert Koch
    2. Martinus W. Beijerinck
    3. Joseph Lister
    4. Sergius Winogradsky
  5. When the hand pulling of weeds is aided by a fork, sharp blade or tip of sickle, it is called
    1. Spudding
    2. Digging
    3. Mowing
    4. Cutting
  6. Crop rotation is highly effective against
    1. Striga asiatica
    2. Parthenium hysterophorus
    3. Eichhornia crassipes
    4. All of these
  7. Paraquat is a
    1. Weak acid herbicide
    2. Strong base herbicide
    3. Weak base herbicide
    4. Strong acid herbicide
  8. Father of hybrid rice is
    1. Jethro Tull
    2. M. S. Swaminathan
    3. V. Kurein
    4. Y. Longping
  9. Optimum temperature for ripening rice should be
    1. 10-15°C
    2. 30-35°C
    3. 20-25°C
    4. 35-40°C
  10. The first hybrid maize Ganga-1 was developed in India during
    1. 1957
    2. 1964
    3. 1961
    4. 1965
  11. Which of the following is known as queen of cereals?
    1. Rice
    2. Maize
    3. Wheat
    4. Sorghum
  12. The quantity of water required to irrigate one hectare land with 4 cm depth of irrigation is
    1. 4,00,000 lit
    2. 1,00,000 lit
    3. 4000 lit
    4. 40,000 lit
  13. In unsaturated soil the moving force is
    1. Pressure
    2. Pressure and gravity
    3. Gravity
    4. Matric potential
  14. The source of energy for evaporation and transpiration is
    1. Solar radiation
    2. Wind
    3. Metabolic process by plant
    4. Relative humidity
  15. Which of the following will record the highest water potential at actively transpiring plant?
    1. Atmosphere
    2. Root
    3. Leaf
    4. Soil
  16. Which of the following is not the component of sprinkler irrigation?
    1. Emitter
    2. Main pipe
    3. Sub-Main pipe
    4. Lateral pipe
  17. Attraction of nutrient ions to the surface of soil particle is called
    1. Adhesion
    2. Absorption
    3. Advection
    4. Adsorption
  18. Which of the following method is used for irrigating trees?
    1. Check basin
    2. Border strip
    3. Ring basin
    4. Furrow
  19. In acidic soil plant growth is affected due to
    1. Fe and Cl
    2. Cl and Cu
    3. Al and Cu
    4. Fe and Al
  20. Green manuring crop should be incorporated at
    1. Vegetative stage
    2. Pod initiation stage
    3. Flowering stage
    4. Pod filling stage
  21. The chemical formula of MOP is
    1. KNO3
    2. KCl
    3. K2SO4
    4. K2CO3
  22. Carbon sequestration is related to
    1. Photosynthesis
    2. Trapping of C in soil
    3. Global warming
    4. Photorespiration
  23. The fertilizer containing nitrogen in amide form is
    1. Ammonium sulphate
    2. Sodium nitrate
    3. Urea
    4. CAN
  24. The secondary nutrients are
    1. N, P, K
    2. C, H, O
    3. Ca, Mg, S
    4. Fe, Mn, Zn
  25. Most of the crop plants absorb nitrogen
    1. Ammonium
    2. Ammonium and nitrates
    3. Nitrate
    4. Amide
  26. Which of the following bio-fertilizers is used in wheat crop?
    1. Rhizobium
    2. Blue green algae
    3. Azolla
    4. Azotobacter
  27. Which of the following is a liquid fertilizer?
    1. Anhydrous ammonia
    2. Calcium ammonium nitrate
    3. Ammonium nitrate
    4. Sodium nitrate
  28. Which is a modification of whip-grafting?
    1. Veneer
    2. Tongue
    3. Bridge
    4. Approach
  29. The Cell Theory (1838-39) was put forward by
    1. Schwann and Schleiden
    2. Edward Jenner
    3. Alexander Fleming
    4. Beadle and Tatum
  30. Which one of the followings is one of the main objective of sustainable agriculture?
    1. To maintain ecological balance
    2. To maximize production through agrochemicals
    3. To increase productivity on short term basis
    4. None of the above
  31. Subsistence level of farming means
    1. Highly commercialised farming
    2. Farming targeting international markets
    3. Farming to meet domestic needs only
    4. None of the above
  32. The feasible enterprise for integration with rapeseed and mustard cultivation
    1. Apiculture
    2. Pisciculture
    3. Viticulture
    4. None of the above
  33. The author of the book 'Farming System and Sustainable Agriculture' is
    1. U.K. Behra
    2. A.K. Sarkar
    3. A.K. Gangwar
    4. S.R. Reddy
  34. The biological properties of soil can be improved by
    1. Natural farming
    2. Organic farming
    3. Biodynamic Farming
    4. All of the above
  35. The integrated farming system is mainly recommended for
    1. Poor and marginal farmers
    2. Highly mechanized farmers
    3. Large specialized farmers
    4. All of the above
  36. National Centre for Organic Farming is located at
    1. Ghaziabad
    2. Gangtok
    3. Ochi
    4. Nagpur
  37. In photosynthesis, energy from light reaction to dark reaction is transferred in the form of
    1. RuBP
    2. ATP
    3. ADP
    4. FAD
  38. The power house of cell is
    1. Mitochondria
    2. Lysosomes
    3. Cell membrane
    4. Nucleus
  39. Entry of water into cell due to Osmosis is called
    1. Electro-osmosis
    2. Endo-osmosis
    3. Exo-osmosis
    4. Plasmolysis
  40. Global warming is attributed to the increase in concentration of greenhouse gases in the atmosphere
    1. Methane
    2. Argon
    3. Nitrogen
    4. Oxygen

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