This article, “Quiz: Assistant Agriculture Officer: Agronomy: 01,” is designed to help agriculture students prepare for their exams. It provides a series of quiz questions focused on agronomy, crop management, and agricultural practices that are essential for aspiring Agriculture Officers, Assistant Agriculture Officers, Agriculture supervisor, and others agriculture competitive exam.
1. Which of the following is 'Macaroni Wheat'?
Triticum aestivum
Triticum vulgare
Triticum durum
Triticum dicoccum
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Correct Answer: Triticum durum Triticum durum, also known as durum wheat, is the species most widely used for making semolina, the main ingredient for pasta.
2. Arrange the following types of erosion in order of 'first to advance' stages: (a) Gully erosion (b) Sheet erosion (c) Rill erosion (d) Splash erosion. Order of first to advance stages -
b d c a
d b c a
d b a c
b a c d
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Correct Answer: d b c a The correct sequence of soil erosion stages is: Splash erosion, Sheet erosion, Rill erosion, and Gully erosion.
3. One 'hectare cm' of water is equivalent to how many liters of water?
10000 liters
20000 liters
50000 liters
100000 liters
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Correct Answer: 100000 liters 1 hectare-centimeter of water is equal to 100000 liters.
4. Total water requirement of Sugarcane crop is -
100-200 ha cm
200-300 ha cm
300-400 ha cm
400-500 ha cm
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Correct Answer: 200-300 ha cm The total water requirement for sugarcane is generally between 200-300 hectare-cm.
5. A day receiving more than... mm rainfall is called a 'crop rainy day'.
2.5
5.0
7.5
10.0
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Correct Answer: 5.0 A day with more than 5.0 mm of rainfall is considered a 'crop rainy day'.
6. In semi-arid regions, P/PET ratio stands between -
0.50 to 0.75
0.03 to 0.20
0.20 to 0.50
0.75 to 1.00
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Correct Answer: 0.20 to 0.50 In semi-arid regions, the P/PET (Precipitation/Potential Evapotranspiration) ratio typically falls between 0.20 and 0.50.
7. Calculate the commercial dose of herbicide for 2.0 hectare with the following information: (a) Available formulation - 20% WP (b) Dose of spray - 4gm a.i./ha
8gm
20gm
40gm
100gm
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Correct Answer: 40gm Dose per hectare = 4 gm a.i. Total dose for 2 hectares = 4 gm/ha * 2 ha = 8 gm a.i. Since the formulation is 20% WP (wettable powder), you need to calculate the amount of the product needed to deliver 8 gm a.i. Amount of product = (8 gm a.i. / 20) * 100 = 40 gm
8. Arrange the following crops in order of 'low to high' protein content: (a) Wheat (b) Groundnut (c) Rice (d) Soybean
a c b d
c b a d
c a d b
c a b d
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Correct Answer: c a b d The general order of these crops from lowest to highest protein content is: Rice, Wheat, Groundnut, and Soybean.
9. The optimum seed rate (kg/ha) for cultivation of hybrid rice is about -
15
25
35
45
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Correct Answer: 15 The optimum seed rate for hybrid rice cultivation is approximately 15 kg/ha.
10. Which of the following practices is adopted to prevent 'greening' in Potato?
Closer Spacing
Earthing up
Early Sowing
Normal Sowing
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Correct Answer: Earthing up Earthing up (covering the developing tubers with soil) is a common practice to prevent greening in potatoes.
11. Sugar-beet belongs to the family -
Chenopodiaceae
Pedaliaceae
Euphorbiaceae
Cruciferae
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Correct Answer: Chenopodiaceae Sugar beet belongs to the family Chenopodiaceae (now often included in Amaranthaceae).
12. What will be the real value of seeds having 80% purity and 70% germination?
48
52
54
56
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Correct Answer: 56 The real value or purity percentage of seed is calculated as: (Purity percentage x Germination percentage) / 100 So, (80 x 70) / 100 = 56
13. Agrisilviculture refers to -
Crops + Animals
Crops + Grasses
Crops + Flowers
Crops + Trees
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Correct Answer: Crops + Trees Agrisilviculture is a combined system of agriculture and forestry, involving the growing of both crops and trees on the same land.
14. Which crop is used for the production of 'Oil and Fibre' both?
Castor
Jute
Mesta
Linseed
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Correct Answer: Linseed Linseed is a crop that is cultivated for both its oil-rich seeds and its fiber, which is obtained from the stem.
15. The active factor of soil formation is -
Climate & biosphere
Parent material
Relief
Time
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Correct Answer: Climate & biosphere Climate and biosphere (including living organisms) are considered the active factors of soil formation as they drive the processes of weathering, decomposition, and organic matter accumulation.
16. Diagnostic subsurface horizon is -
Epipedon
Plaggen
Endopedon
Histic horizon
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Correct Answer: Endopedon An endopedon is a diagnostic subsurface horizon in soil classification.
17. Salt affected soils of the arid zone are classified under which soil order?
Ultisols
Spodosols
Mollisols
Aridisols
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Correct Answer: Aridisols Salt-affected soils in arid regions are predominantly classified under the soil order Aridisols.
18. Organic matter of soil decreases the fixation of -
Nitrogen
Potassium
Phosphorus
None of the above
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Correct Answer: Phosphorus Soil organic matter can reduce the fixation of phosphorus, making it more available to plants.
19. The deficiency of copper in plants causes which disease?
Die-back disease
Khaira disease
Whiptail disease
Early blight disease
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Correct Answer: Die-back disease Copper deficiency in plants often leads to die-back, particularly in citrus.
20. Who gave the DTPA extraction of micronutrient determination method in soil?
Subbiah and Asija (1956)
Lindsay and Norvell (1978)
Berger and Truog (1939)
Adams and Hartwig (1982)
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Correct Answer: Lindsay and Norvell (1978) The DTPA (Diethylenetriaminepentaacetic acid) extraction method for determining micronutrients in soil was given by Lindsay and Norvell in 1978.
21. Which one is a non-edible oil cake?
Coconut cake
Rapeseed and mustard cake
Groundnut cake
Castor cake
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Correct Answer: Castor cake Castor cake is a non-edible oil cake due to the presence of toxic compounds.
22. Which autotroph microorganism derives its energy from the oxidation of inorganic compounds?
Photoautotrophs
Chemoautotrophs
Thermoautotrophs
None of the above
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Correct Answer: Chemoautotrophs Chemoautotrophs are microorganisms that obtain energy by oxidizing inorganic compounds.
23. Gypsum is used for the reclamation of which soil type?
Saline
Sodic
Acidic
Waterlogged
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Correct Answer: Sodic Gypsum is primarily used for the reclamation of sodic (alkaline) soils.
24. Which of the following soils has the highest total porosity?
Sandy soil
Sandy loam soil
Clay-loam soil
Loam soil
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Correct Answer: Clay-loam soil Clay soils generally have higher total porosity compared to sandy soils, although the pore size distribution differs.
25. The tensiometer used to measure soil moisture content could be used up to which soil moisture tension?
0.85 atmosphere tension
3.0 atmosphere tension
5.0 atmosphere tension
12.0 atmosphere tension
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Correct Answer: 0.85 atmosphere tension Tensiometers are effective for measuring soil moisture tension in the range of 0 to 0.85 bars (atmosphere tension).
26. Which is the most efficient implement for land grading when animal power is used in the job and the fields are of small to medium size?
Bulldozer
Buck Scraper
Land plane
Wooden float
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Correct Answer: Wooden float A wooden float is a simple and efficient tool for land leveling in small to medium-sized fields when using animal power.
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