Agriculture MCQ (Multiple Choice Question)
for ICAR-JRF, BHU, Pre-PG, AFO, IFFCO, NSC, CCI, AO, AAO, IBPS-SO/AFO, etc. All Agriculture competitive exams
1. Phosphorus uptake in acidic soil in the form of…
a) H2PO4–
b) HPO42–
c) PO43–
d) H3PO4
e) H2P03
Answer
a) H2PO4–
2. Which of the following nutrient is rapidly absorbed by the plants?
a) Ca
b) Mg
c) Fe
d) Zn
e) Cu
Answer
d) Zn
3. The “moist range” the range of unsaturated flow in soil of various textures is in the following order:
a) Sand > loam > clay
b) Clay > loam > sand
c) Loam > clay > sand
d) Both a & b
e) None of these
Answer
b) Clay > loam > sand
4. Which one of the following soil order has the largest area in India?
a) Alfisols
b) Vertisols
c) Entisols
d) Inceptisols
e) All of these
c) Entisols
5. Which soil structure produces higher capillary capacity?
a) Blocky structure
b) Platy structure
c) Prismatic structure
d) Columnar structure
e) Granular structure
Answer
e) Granular structure
6. Weeds that complete their life cycle very shortly will be known as?
a) Introduced weeds
b) Mimicry weeds
c) Volunteer weeds
d) Ephemeral weeds
e) Marginal weeds
Answer
d) Ephemeral weeds
7. Which among the following crop is medium to high water-sensitive in nature?
a) Cassava
b) Maize
c) Groundnut
d) Wheat
e) Rice
Answer
d) Wheat
8. What is the seed rate of the Rice crop when Line sowing of the crop is done?
a) 100 kg/ha
b) 60 kg/ha
c) 40 kg/ha
d) 80 kg/ha
e) 50 kg/ha
Answer
b) 60 kg/ha
9. Reclamation of Problematic soil is a sub-scheme under which Scheme?
a) Pramparagat Krishi Vikas Yojana
b) Rashtriya Krishi Vikas Yojana
c) Soil Health Card
d) Mission Organic Value Chain Development for North Eastern Regions
e) None of these
Answer
b) Rashtriya Krishi Vikas Yojana
10. Calcium Nitrate has ………. % of nitrogen?
a) 15.5
b) 26
c) 19
d) 13
e) 20
Answer
a) 15.5
11. Which of the following plant hormone is secreted during a severe drought?
a) IAA
b) ABA
c) NAA
d) GA
e) None of these
Answer
b) ABA
12. What is the shallow root depth of crops in cm?
a) 90-150 cm
b) 50-100 cm
c) 30-60 cm
d) 80-100 cm
e) 150-250cm
Answer
c) 30-60 cm
13. Which crop among the following is grown in arid environments?
a) Rice
b) Potato
c) Berseem
d) Pearl millet
e) All of these
Answer
d) Pearl millet
14. What is the trade name of herbicide Paraquat?
a) Gramoxone
b) Stomp
c) Basalin
d) Mechate
e) Lasso
Answer
a) Gramoxone
15. Black cotton soils are rich in:
a) Illite
b) Kaolinite
c) Montmorillonite
d) Chlorite
e) All of these
Answer
c) Montmorillonite
16. Where is the headquarter of the International Federation of Organic Agriculture Movements located?
a) Rome
b) Malaysia
c) London
d) Geneva
e) Bonn
Answer
e) Bonn
17. What is the ploughing depth of Deep-rooted crops?
a) 10-20 cm
b) 15-30 cm
c) 30-50 cm
d) 50-60 cm
e) 40-50 cm
Answer
b) 15-30 cm
18. Which of the following nutrients deficiency symptoms appear in both old and new leaves
a) N, P, K, Mg, Mo
b) S, Fe, Mn, Cu
c) Ca, B
d) Zn
e) Both c & d
Answer
d) Zn
19. Which of the following beneficial elements replaces the K in certain functions in halophyte plants?
a) Cobalt
b) Silicon
c) Na
d) B
e) Vanadium
Answer
c) Na
20. Which of the following crop require the highest phosphorus to 100 kg of economic produce?
a) Soybean
b) Cotton
c) Groundnut
d) Maize
e) Rice
Answer
b) Cotton
21. The Biuret content in urea should not exceed (in percentage):
a) 2.5
b) 2
c) 1.5
d) 1
e) None of these
Answer
c) 1.5
22. Weed species that grow primarily in wild communities but often escape to the cultivated field are called:
a) Facultative weeds
b) obligate weeds
c) Satellite weeds
d) Noxious weeds
e) Both a & b
Answer
a) Facultative weeds
23. Which of the following crops tolerates a boron concentration of 2-4 ppm?
a) Wheat
b) sugarcane
c) Maize
d) Barley
e) both c & d
Answer
c) Maize
24. What is Ph for good quality irrigation water?
a) 4 to 5
b) 8.5 to 9.0
c) 9.0 to10.0
d) >10
e) 7.5 to 8.0
Answer
e) 7.5 to 8.0
25. What is SAR unsuitable irrigation water for crops?
a) 4.0 – 8.0
b) 8.0 – 15.0
c) >15
d) 1
e) 1.0 – 2.0
Answer
c) >15
26. Surface drainage is suitable with the land with less than …………. % slop.
a) 0.5
b) 3
c) 1.5
d) 4
e) None of these
Answer
c) 1.5
27. Which one of the following gases contributes the maximum to global warming?
a) Methane
b) N2O
c) CO2
d) CFC
e) None of these
Answer
c) CO2
28. Which among the following is referred to as” White Gold”?
a) Basmati rice
b) Mushrooms
c) Milk
d) Cotton
e) None of these
Answer
d) Cotton
29. Which crop is used for producing both vegetable oil and fiber?
a) Sun hemp
b) Linseed
c) Castor
d) Mesta
e) All of these
Answer
b) Linseed
30. Which among the following is a mechanical method of weed control?
a) Intercropping
b) Solarization
c) Flooding
d) Fertilizer application
e) All of these
Answer
c) Flooding
31. Which among the following is a perennial weed?
a) Dacus carrota
b) Eichornia intybus
c) Phalaris
d) Cyperus rotundus
e) All of these
Answer
d) Cyperus rotundus
32. Which among the following is a Total stem parasite?
a) Orabanche
b) Striga lutea
c) Cuscuta chinensis
d) Loranthus longiflorus
e) Both a & b
Answer
c) Cuscuta chinensis
33. Which kind of precipitation is generally found in India?
a) Cyclonic precipitation
b) Convective Precipitation
c) Orographic Precipitation
d) Both a & b
e) All of these
Answer
c) Orographic Precipitation
34. Which climate covers most of the percent geographical area of India?
a) Arid
b) Semi-arid Dry
c) Semi-Arid Wet
d) Humid
e) Sub humid
Answer
b) Semi-arid Dry
35. What is the isolation distance of certified seed of Potato crop?
a) 3 m
b) 5 m
c) 10 m
d) 30 m
e) 50 m
Answer
b) 5 m
36. Which among the following steps can be taken for reducing the salt deposits on leaves and fruits during sprinkler irrigation?
a) Irrigate at night
b) Irrigate at day
c) Increase the speed of the sprinkler rotation
d) Decrease the frequency of irrigation
e) All except b
Answer
e) All except b
37. Sprinkler irrigation can be mostly used for which kind of situations?
a) Clay soil
b) Coarse textured soils
c) Sloppy lands
d) Tall crops
e) both b & c
Answer
e) both b & c
38. Corrugation method of irrigation comes under which category of irrigation?
a) Border Irrigation
b) Basin method
c) Furrow irrigation
d) Flood irrigation
e) Suge irrigation
Answer
c) Furrow irrigation
39. Which among the following is a leaf fiber?
a) Cotton
b) Jute
c) Mesta
d) Pineapple
e) All of these
Answer
d) Pineapple
40. Which among the following crop has the least water requirement?
a) Sorghum
b) Sesame
c) Black Gram
d) Sunflower
e) Cotton
Answer
b) Sesame