General Agriculture MCQ For Competitive Exam-111

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1. The rice inflorescence is called

a) Cob

b) Panicle

c) Arrow

d) Ear

2. The blast rice is caused by

a) Pyricularia oryzae

b) Xanthomonas oryzac

c) X. oryzicola

d) Virus

3. The famine of 1943 was due to

a) Helminthosporium oryzae

b) Xanthomonas oryzae

c) Calviceps oryzae

d) Kharia disease

4. The ‘Dead heart’ and ‘White head’ are the symptoms of

a) Rice Gundhi bug

b) Rice stem borer

c) Rice leaf roller

d) Armyworm

5. The armyworm is

a) Mythimna

b) Leptocorisa

c) Nephotettix

d) Nilaparvata

6. The durum wheat is

a) Triticum aestivum

b) T. Marconi

c) T. Durum

d) None

7. The origin of Soybean is

a) Brazil

b) China

c) Mexico

d) Peru

8. Bio-super is

a) Biofertilizer + superphosphate

b) Rock phosphate + S. + S-oxidizing bacteria

c) Biofertilizer + poultry manure

d) Rock phosphate + powdered Zn

9. The source of K. in soils is

a) Apatite

b) Biotite

c) Augite

d) Quartz

10. Crinkle leaf of cotton is due to

a) Toxicity of Zn

b) Toxicity of B

c) Toxicity of Mn

d) Deficiency of Cu

11. The end product of nitrification is

a) N2 gas

b) N2 and N2O gases

c) NO2 gas

d) NH3 gas

12. Hydrolysis of Urea in soil results in

a) Uric acid

b) Ammonium carbonate

c) Ammonium carbamate

d) Amides

13. The average diameter of the clay fraction of the soil is

a) < 2.0 mm

b) <0.2 mm

c) < 0.02 mm

d) < 0.002 mm

14. Salt tolerant crops are

a) Maize and Mustard

b) Mustard and cotton

c) Wheat and Maize

d) Barley and Cotton

15. The availability of P is higher

a) B/n 4.0 – 5.0 pH

b) B/n 6.0 – 7.0 pH

c) B/n 7.5 – 8.5 pH

d) B/n 8.5 – 9.5 pH

16. Fe deficiency is prominent in

a) Acidic soil

b) Calcareous soil

c) Neutral soil

d) Water-logged soil

17. Bunch type variety of Groundnut is

a) Type-28

b) Chandra

c) Kaushal

d) M-13

18. The oil content in Soybean grains is

a) 15%

b) 25%

c) 20%

d) 30%

19. The seed rate of American cotton is

a) 12 Kg/ha.

b) 20 Kg/ha.

c) 30 Kg/ha.

d) 35 Kg/ha.

20. 1 Kg. nitrogen is equal to

a) 1.22 Kg. Urea

b) 2.22 Kg. Urea

c) 3.33 Kg. Urea

d) 4.44 Kg. Urea

21. Pusa bold is a var of

a) Rice

b) Wheat

c) Mustard

d) Redgram

22. HCN toxicity is related to

a) Pearlmillet

b) Sorghum

c) Lathyms

d) Maize

23. In rice ‘Dapog seedlings’ are ready for transplanting between

a) 6-10 days

b) 11-14 days

c) 15-19 days

d) 20-21days

24. ‘Dapog method’ of rice nursery raising is introduced in India from

a) Japan

b) China

c) USA

d) Philippines

25. For the first time, hybrid var. in cotton was evolved in

a) India

b) China

c) Japan

d) USA

26. During early stage of growth, pady takes nitrogen in the form of

a) Amide

b) Nitrate

c) NH4

d) None of these

27. Sulphur is essential for the synthesis of

a) Protein

b) Biotin

c) Methionine

d) All of these

28. Which is generally used for correcting soil acidity?

a) Gypsum

b) Lime

c) Leaching

d) Both (a) and (b)

29. The first hybrid car. of Redgram is

a) Type-28

b) ICPL-151

c) ICPL 87

d) ICPH-8

30. _____ is used for reclaiming alkali soils

a) Leaching

b) Lime

c) Gypsum

d) Both (a) and (c)

31. ‘Rainbow revolution’ refers in

a) Increase in foodgrain production

b) Overall development of agril. Sector

c) Productive performance of agri over lime

d) None of the above

32. The Db of a soil with Dp of 2.65 g/cc and pore space 40% would be

a) 1.29 g/cc

b) 1.39 g/cc

c) 1.41 g/cc

d) 1.59 g/cc

33. A given soil sample contains: organic carbon 0.6% P-0.1% and K-1.0%, the present OM. P2O2 and K2O contents of the soil are

OM – P2O5 – K2O

a) 1.02 – 0.29 – 1.20

b) 1.02 – 0.229 – 1.20

c) 1.12 – 2.29 – 0.83

d) 1.70 – 0.86 – 0.48

34. Non-essential but useful nutrients for plants would include

a) Carbon and vanadium

b) Chlorine and vanadium

c) Vanadium and Na

d) Na and Cl

35. The N fertilizer use efficiency in rice can be increased by using

a) S coated Urea

b) BGA

c) Urea Super Granules (USO)

d) Both (a) and (c)

36. Which one of the following nutrient plays the most of the effective role in controlling the rate of transpiration

a) Zn

b) Mg

c)K

d) P

37. Black heart of Potato is caused by

a) Cu deficiency

b) B deficiency

c) K deficiency

d) O2 deficiency

38. The main objective of growing ‘catch crop’ is

a) Add more residue to the soil

b) Supress weeds

c) Prevent cracking of soil

d) Get an additional income without further investment

39. Gujrat-67 and American nedariless are the parents of cotton hybrid

a) Hybrid-6

b) Hybrid-4

c) Varalaxmi

d) Vikram

40. The amount of NPK required to produce 50% of the maximum possible yield as Baule unit is equal to (in bs/acre)

Nitrogen – P2O5 -K2O

a) 223 –  45 – 76

b) 223 – 40 – 76

c) 250 – 45 – 68

d) 250 – 40 – 60

41. Buret content in Urea should not exceed

a) 2.0%

b) 1.0%

c) 3.0%

d) 4.0%

42. Band former is used for making

a) Furrows

b) Ridges/Bunds

c) Soil smooth

d) All the above

43. Which is C4 plant

a) Sugarcane

b) Sugarbeet

b) Wheat

d) Barley

44. Horizontal heat transfer from a zone of warm up wind over a relatively cool irrigated crop field is called

a) Oasis effect

b) Reducing effect

c) Clothesline effect

d)None

45. The force of attraction that binds the molecules of the same kind is

a) Adhesion

b) Cohesion

c) Matric force

d) None of the above

46. I Cotton bale is equal to

a) 160 kg.

b) 170 kg.

c) 180 kg.

d) 190 kg.

47. The number of crops per annum on a given area of land time 100 is called

a) Cropping intensity

b) Cropping index

b) Cropping density

d) None of above

48. One cusec of water is equal to

a) 28.3 litres/sec

b) 38.3 litres/sec

c) 25.3 litres/sec

d) None

49. Drosometer measures

a) Fog

b) Drizzle

c) Dew

d) Rain

50. A plant which grows on another plant but does not secure nourishment from it is called

a) Epiphytes

b) Saprophyte

c) Hydrophytes

d) Mesophyte

51. The relative proportion of three major plant nutrients in a fertilizer, keeping the % of Nitrogen as one on the ratio is called

a) Fertilizer ratio

b) Fertilizer grade

c) Fertilizer mixture

d) All the above

52. The upper limit of the soil moisture available to the plant growth is

a) Field capacity (1/3 bar)

b) PWP (15 bar)

c) Hygroscopic coefficient

d) Metric suction

53. The major gas responsible for greenhouse effect is

a) CO2

b) Methane

c) Water vapour

d) O2

54. A device for measuring percolation and leaching losses flora a column of soil utter controlled conditions

a) Intitrometer

b) Lysimeter

c) Evaporimeter

d) Pyramometer

55. One micron is equal to

a) 10–6 m

b) 10–4 m

c) 10–8 m

d) 10–2 m

56. The deficiency symptoms of N2 first appears on

a) Older leaves

b) Younger leaves

c) Both (a) and (b)

d) Tips of leaves

57. The normal depth of ploughing is

a) 15 cm.

b) 20 cm.

c) 30 cm.

d) 25 cm.

58. A calibrated device for measuring the flow of water in open conduits us

a) V-Notch

b) Parshall flume

c) Water meter

d) None of the above

59. The development stage of a plant after which no further increase in dry matter occurs in the economic part is known is

a) Harvest maturity

b) Physiological maturity

c) Both (a) and (b)

d) None

60. Instrument used for measuring depth of water table is

a) Lysimeter

b) Odometer

c) Piezometer

d) Monometer

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