AGRONOMY- PAGE 2
AGRONOMY- PAGE 2 MCQs
1 Name the agroclimatic zone of Rajasthan where "Queen of cereals" is extensively grown in rabi season :
A. Flood prone eastern Plain (III b)
B. Humid southern Plain (IV b)
C. Humid South eastern Plain (V)
D. Irrigated north western plain (I b)
Ans: B
2 Hindi name of "Brassica Juncea " is :-
A. Raya
B. Toria
C. Kali Sarson
D. Peeli Sarson
Ans: A
3 Application of 2,4-D Na Salt may be avoided in the following type of soil to reduce leaching loss :-
A. Sandy
B. Sandy clay loam
C. Clay loam
D. Clayey
Ans: A
4 In which of the following agro-climatic zones of India, Punjab and Haryana falls ?
A. Transgangetic Plain region
B. Upper gangetic plain region
C. Middle gangetic plain region
D. Lower gangetic plain region
Ans: A
5 World Soil day is celebrated every year on :-
A. 5th December
B. 12th December
C. 26th December
D. 30th December
Ans: A
6 Weather element that is not correctly matched with its measuring unit :-
A. Temperature - °C
B. Relative humidity - %
C. Cloud cover - Hours
D. Atmospheric pressure – Millibars
Ans: C
7 The base temperature of maize for calculating growing degree days is :-
A. 10 °C
B. 4.5 °C
C. 8 °C
D. 12 °C
Ans: A
8 Headquarters of World Metrological Organization is located at :-
A. Geneva
B. Paris
C. Washington
D. Rome
Ans: A
9 What will be the gross irrigation requirement of a field having net irrigation requirement 400 mm and field irrigation efficiency 80% ?
A. 300 mm
B. 400 mm
C. 500 mm
D. 700 mm
Ans: C
10 As per CSSRI, Karnal, Classification of irrigation water boron content of normal water should be :-
A. Less than 3 ppm
B. 3 to 4 ppm
C. 4 to 5 ppm
D. 5 to 10 ppm
Ans: A
11 The commonly used pan coefficient value in evapotranspiration study is :-
A. 0.7
B. 1.7
C. 2.7
D. 3.7
Ans: A
12 The ratio between the irrigated area and volume of water applied is known as :-
A. Delta of Water
B. Duty of Water
C. Base of Water
D. Water course
Ans: B
13If a crop is to be irrigated at 0.6 IW/CPE ratio with 6 cm depth, it should be given at CPE value of :-
A. 10 mm
B. 60 mm
C. 600 mm
D. 100 mm
Ans: D
14 One hectare meter is equal to :-
A. 100 m³ water
B. 1,000 m³ water
C. 10,000 m³ water
D. 100,000 m³ water
Ans: C
15 Among different soil textural classes, which is an ideal one for most of the crops ?
A. Sandy
B. Clayey
C. Loamy
D. Silty
Ans: C
16 Nitrogen content of Sulphur coated urea ranges between :-
A. 26% - 28%
B. 36% - 37%
C. 40% - 42%
D. 46% - 48%
Ans: B
17 Nutrient element acts as "energy currency" within plants is :-
A. calcium
B. Potassium
C. Phosphorus
D. Nitrogen
Ans: C
18 Nutrient deficiency responsible for heart rot in sugarbeet is :-
A. Molybdenum
B. Copper
C. Zinc
D. Boron
Ans: D
19 Sea weed "a marine algae" is used as "-
A. Herbicide
B. Fertilizer
C. Insecticide
D. Fungicide
Ans: B
20 Orobanche a parasitic weed is classified as :-
A. Holo stem parasitic weed
B. Hemi root parasitic weed
C. Holo root parasitic weed
D. Hemi stem parasitic weed
Ans: C
21 Quantity of Solaro 50 WP for 2 hectares maize to supply atrazine at 0.75 kg/ha :-
A. 0.5 Kg
B. 3.0 Kg
C. 1.5 Kg
D. 0.75 Kg
Ans: B
22 Which one among the following weeds is a board leaved monocotyledon ?
A. Avena fatua
B. Phalaris minor
C. Spergulla arvensis
D. Commelina spp.
Ans: D
23 "Brown manuring" a recent approach towards weed control is practiced is :-
A. Maize
B. Direct seeded rice
C. Mustard
D. Pigeonpea
Ans: B
24 What will be the weed control efficiency (%) if weed dry matter in weety check is 30 quintals and is treated plot it is 15 quintals/ha ?
A. 15
B. 30
C. 45
D. 50
Ans: D
25 If a soil has bulk density 1.5 Mg/m³ and particle density 2.5 Mg/m³, what will be the percent porosity of soil ?
A. 30%
B. 40%
C. 50%
D. 60%
Ans: B
26 In which district, Indian Institute of Farming Systems Research (IIFSR) is situated :-
A. Jhansi
B. Meerut
C. Ghaziabad
D. Sholapur
Ans: B
27 Which among the following indicators is used to assess the inter cropping system ?
A. Leaf area index
B. Light use efficiency
C. Land equivalent ratio
D. Sustainability index
Ans: C
28 The unit of relative growth rate (RGR) of any crop is :-
A. g/m² (leaf area)/ day
B. g/g /day
C. g/m² (land area)/ day
D. g /day
Ans: B
29 A rapid growing phase of plant is termed as :-
A. Lag Phase
B. Senescence
C. Plateau Phase
D. Log phase
Ans: D
30 Select incorrect match from the following :
A. For good crop growth - apply N Fertilizer
B. For correcting "top sickness" of tabacco - apply B Fertilizer
C. For quality produce - apply K Fartilizer
D. For correcting yellowing in groudnut - apply Zn Fertilizer
Ans: D
31 Which one of the following crops is more tolerant to Sodicity ?
A. Sorghum
B. Groundnut
C. Rice
D. Mustard
Ans: C
32 Soybean is originated from which country ?
A. China
B. India
C. Brazil
D. Mexico
Ans: A
33 Select the correct combination of a crop variety and its 1000 grain weight :-
A. Wheat (HI 8498) - 35 g
B. Gram (KAK -2) - 380 g
C. French bean (Udai) - 500 g
D. Groundnut (TAG -24) - 250 g
Ans: B
34 What quality of sulphuric acid is required to spray 1000 liters of water in one hectare to control frost in rabi crops ?
A. 100 ml
B. 500 ml
C. 1000 ml
D. 1500 ml
Ans: C
35 The optimum temerature range for ideal germination of Wheat seed is :-
A. 5-10 °C
B. 10-15 °C
C. 20-25 °C
D. 30-35 °C
Ans: C
36 Which one among the following crops is known as "Queen of oilseeds" ?
A. Soybean
B. Mustard
C. Sunflower
D. Sesame
Ans: D
37 For good quality tabacco, chloride content in leaves should never exceed :-
A. 2%
B. 3%
C. 4%
D. 5%
Ans: A
38 For delinting 10 Kg fuzzy cottonseed, industrial grade sulphurid acid required is :-
A. 500 ml
B. 1000 ml
C. 1500 ml
D. 2000 ml
Ans: B
39 Red rot is an important disease of this crop :-
A. Potato
B. Sugarbeet
C. Sugarcane
D. Maize
Ans: C
40 The oil of _____ crop is extensively used in paints and varnish industry :-
A. Sesame
B. Safflower
C. Ratanjot
D. Linseed
Ans: D
41 Quantity of seed required for one hectare area of a crop, if plant population per hectare is 50,000, test weight 200 g and real value of seed is 100 per cent :-
A. 10 Kg
B. 20 Kg
C. 30 Kg
D. 40 Kg
Ans: A
42 The coefficient of variation (CV%) is calculated by formula :
A. (Mean/Standard Deviation) X 100
B. (Standard Deviation/Mean) X 100
C. Standard Deviation/Mean
D. Mean/Standard Deviation
Ans: B
43 Size of mini watershed varies between :-
A. 10,000 - 50,000 hectares
B. 1000 - 10,000 hectares
C. 100 - 1000 hectares
D. 10 - 100 hectares
Ans: D
44 Fumigation of rat burrows in the field is done by :-
A. Zinc Phosphide
B. Aluminium Phosphide
C. Zinc Sulphate
D. Zinc Phosphate
Ans: B
45 Post-emergence herbicide is used :-
A. Before germination of crop
B. Before germination of weed
C. After germination of crop
D. After germination weed
Ans: C
46 Agriculture is not merely growing crop but more of applied :-
A. Ecosystem
B. Environment
C. Ecology
D. Climate
Ans: C
47 We are growing wheat in plains in winter and high hills in summer due to :-
A. Height
B. Temperature
C. Scenic beauty
D. Crop rotation
Ans: B
48 Rainfall in hills is more towards :-
A. Windward side
B. Leeward side
C. Both Side
D. Either Side
Ans: A
49 Soils in foot hills are :-
A. Matured
B. Immatured
C. Fully mature
D. None of these
Ans: B
50 Well drained volcanic soils are :-
A. More fertile
B. Less fertile
C. Non fertile
D. Useless
Ans: A
A. Flood prone eastern Plain (III b)
B. Humid southern Plain (IV b)
C. Humid South eastern Plain (V)
D. Irrigated north western plain (I b)
Ans: B
2 Hindi name of "Brassica Juncea " is :-
A. Raya
B. Toria
C. Kali Sarson
D. Peeli Sarson
Ans: A
3 Application of 2,4-D Na Salt may be avoided in the following type of soil to reduce leaching loss :-
A. Sandy
B. Sandy clay loam
C. Clay loam
D. Clayey
Ans: A
4 In which of the following agro-climatic zones of India, Punjab and Haryana falls ?
A. Transgangetic Plain region
B. Upper gangetic plain region
C. Middle gangetic plain region
D. Lower gangetic plain region
Ans: A
5 World Soil day is celebrated every year on :-
A. 5th December
B. 12th December
C. 26th December
D. 30th December
Ans: A
6 Weather element that is not correctly matched with its measuring unit :-
A. Temperature - °C
B. Relative humidity - %
C. Cloud cover - Hours
D. Atmospheric pressure – Millibars
Ans: C
7 The base temperature of maize for calculating growing degree days is :-
A. 10 °C
B. 4.5 °C
C. 8 °C
D. 12 °C
Ans: A
8 Headquarters of World Metrological Organization is located at :-
A. Geneva
B. Paris
C. Washington
D. Rome
Ans: A
9 What will be the gross irrigation requirement of a field having net irrigation requirement 400 mm and field irrigation efficiency 80% ?
A. 300 mm
B. 400 mm
C. 500 mm
D. 700 mm
Ans: C
10 As per CSSRI, Karnal, Classification of irrigation water boron content of normal water should be :-
A. Less than 3 ppm
B. 3 to 4 ppm
C. 4 to 5 ppm
D. 5 to 10 ppm
Ans: A
11 The commonly used pan coefficient value in evapotranspiration study is :-
A. 0.7
B. 1.7
C. 2.7
D. 3.7
Ans: A
12 The ratio between the irrigated area and volume of water applied is known as :-
A. Delta of Water
B. Duty of Water
C. Base of Water
D. Water course
Ans: B
13If a crop is to be irrigated at 0.6 IW/CPE ratio with 6 cm depth, it should be given at CPE value of :-
A. 10 mm
B. 60 mm
C. 600 mm
D. 100 mm
Ans: D
14 One hectare meter is equal to :-
A. 100 m³ water
B. 1,000 m³ water
C. 10,000 m³ water
D. 100,000 m³ water
Ans: C
15 Among different soil textural classes, which is an ideal one for most of the crops ?
A. Sandy
B. Clayey
C. Loamy
D. Silty
Ans: C
16 Nitrogen content of Sulphur coated urea ranges between :-
A. 26% - 28%
B. 36% - 37%
C. 40% - 42%
D. 46% - 48%
Ans: B
17 Nutrient element acts as "energy currency" within plants is :-
A. calcium
B. Potassium
C. Phosphorus
D. Nitrogen
Ans: C
18 Nutrient deficiency responsible for heart rot in sugarbeet is :-
A. Molybdenum
B. Copper
C. Zinc
D. Boron
Ans: D
19 Sea weed "a marine algae" is used as "-
A. Herbicide
B. Fertilizer
C. Insecticide
D. Fungicide
Ans: B
20 Orobanche a parasitic weed is classified as :-
A. Holo stem parasitic weed
B. Hemi root parasitic weed
C. Holo root parasitic weed
D. Hemi stem parasitic weed
Ans: C
21 Quantity of Solaro 50 WP for 2 hectares maize to supply atrazine at 0.75 kg/ha :-
A. 0.5 Kg
B. 3.0 Kg
C. 1.5 Kg
D. 0.75 Kg
Ans: B
22 Which one among the following weeds is a board leaved monocotyledon ?
A. Avena fatua
B. Phalaris minor
C. Spergulla arvensis
D. Commelina spp.
Ans: D
23 "Brown manuring" a recent approach towards weed control is practiced is :-
A. Maize
B. Direct seeded rice
C. Mustard
D. Pigeonpea
Ans: B
24 What will be the weed control efficiency (%) if weed dry matter in weety check is 30 quintals and is treated plot it is 15 quintals/ha ?
A. 15
B. 30
C. 45
D. 50
Ans: D
25 If a soil has bulk density 1.5 Mg/m³ and particle density 2.5 Mg/m³, what will be the percent porosity of soil ?
A. 30%
B. 40%
C. 50%
D. 60%
Ans: B
26 In which district, Indian Institute of Farming Systems Research (IIFSR) is situated :-
A. Jhansi
B. Meerut
C. Ghaziabad
D. Sholapur
Ans: B
27 Which among the following indicators is used to assess the inter cropping system ?
A. Leaf area index
B. Light use efficiency
C. Land equivalent ratio
D. Sustainability index
Ans: C
28 The unit of relative growth rate (RGR) of any crop is :-
A. g/m² (leaf area)/ day
B. g/g /day
C. g/m² (land area)/ day
D. g /day
Ans: B
29 A rapid growing phase of plant is termed as :-
A. Lag Phase
B. Senescence
C. Plateau Phase
D. Log phase
Ans: D
30 Select incorrect match from the following :
A. For good crop growth - apply N Fertilizer
B. For correcting "top sickness" of tabacco - apply B Fertilizer
C. For quality produce - apply K Fartilizer
D. For correcting yellowing in groudnut - apply Zn Fertilizer
Ans: D
31 Which one of the following crops is more tolerant to Sodicity ?
A. Sorghum
B. Groundnut
C. Rice
D. Mustard
Ans: C
32 Soybean is originated from which country ?
A. China
B. India
C. Brazil
D. Mexico
Ans: A
33 Select the correct combination of a crop variety and its 1000 grain weight :-
A. Wheat (HI 8498) - 35 g
B. Gram (KAK -2) - 380 g
C. French bean (Udai) - 500 g
D. Groundnut (TAG -24) - 250 g
Ans: B
34 What quality of sulphuric acid is required to spray 1000 liters of water in one hectare to control frost in rabi crops ?
A. 100 ml
B. 500 ml
C. 1000 ml
D. 1500 ml
Ans: C
35 The optimum temerature range for ideal germination of Wheat seed is :-
A. 5-10 °C
B. 10-15 °C
C. 20-25 °C
D. 30-35 °C
Ans: C
36 Which one among the following crops is known as "Queen of oilseeds" ?
A. Soybean
B. Mustard
C. Sunflower
D. Sesame
Ans: D
37 For good quality tabacco, chloride content in leaves should never exceed :-
A. 2%
B. 3%
C. 4%
D. 5%
Ans: A
38 For delinting 10 Kg fuzzy cottonseed, industrial grade sulphurid acid required is :-
A. 500 ml
B. 1000 ml
C. 1500 ml
D. 2000 ml
Ans: B
39 Red rot is an important disease of this crop :-
A. Potato
B. Sugarbeet
C. Sugarcane
D. Maize
Ans: C
40 The oil of _____ crop is extensively used in paints and varnish industry :-
A. Sesame
B. Safflower
C. Ratanjot
D. Linseed
Ans: D
41 Quantity of seed required for one hectare area of a crop, if plant population per hectare is 50,000, test weight 200 g and real value of seed is 100 per cent :-
A. 10 Kg
B. 20 Kg
C. 30 Kg
D. 40 Kg
Ans: A
42 The coefficient of variation (CV%) is calculated by formula :
A. (Mean/Standard Deviation) X 100
B. (Standard Deviation/Mean) X 100
C. Standard Deviation/Mean
D. Mean/Standard Deviation
Ans: B
43 Size of mini watershed varies between :-
A. 10,000 - 50,000 hectares
B. 1000 - 10,000 hectares
C. 100 - 1000 hectares
D. 10 - 100 hectares
Ans: D
44 Fumigation of rat burrows in the field is done by :-
A. Zinc Phosphide
B. Aluminium Phosphide
C. Zinc Sulphate
D. Zinc Phosphate
Ans: B
45 Post-emergence herbicide is used :-
A. Before germination of crop
B. Before germination of weed
C. After germination of crop
D. After germination weed
Ans: C
46 Agriculture is not merely growing crop but more of applied :-
A. Ecosystem
B. Environment
C. Ecology
D. Climate
Ans: C
47 We are growing wheat in plains in winter and high hills in summer due to :-
A. Height
B. Temperature
C. Scenic beauty
D. Crop rotation
Ans: B
48 Rainfall in hills is more towards :-
A. Windward side
B. Leeward side
C. Both Side
D. Either Side
Ans: A
49 Soils in foot hills are :-
A. Matured
B. Immatured
C. Fully mature
D. None of these
Ans: B
50 Well drained volcanic soils are :-
A. More fertile
B. Less fertile
C. Non fertile
D. Useless
Ans: A
51 Threshold temperature refers to the point at which a stimulus begins to :-
A. No response
B. Partial response
C. Full response
D. bring a response
Ans: D
52 In slopy lands most suitable irrigation method is :-
A. Drip
B. Check basin
C. Sprinkler
D. Surface flood
Ans: C
53 Objective of zero tillage is :-
A. To control soil run off
B. To check water run off
C. To control water percolation
D. To control soil erosion and allow aggregation
Ans: D
54 Climate change means :
A. Diurnal changes in weather parameters
B. Weekly changes in weather parameters
C. Monthly changes in weather parameters
D. Long term (more than 30 years) changes in weather parameters
Ans: D
55 Green house effect is related to :-
A. Rise in temperature
B. Rise in rainfall
C. Rise in precipitation
D. Rainfall delay
Ans: A
56 Role of abscisic acid in plants is :-
A. Increase in growth
B. Growth retardation
C. Cell elongation
D. More branching
Ans: B
57 Application of cycocel leads to :
A. Retardation of vegetative growth
B. Retardation of fruiting
C. Retardation of flowering
D. Check rooting
Ans: A
58 Relative growth rate of plants is :-
A. More yield with time
B. Yield with time
C. More growth with time
D. Growth with per unit time.
Ans: D
59 Highest density of water is at the temperature of ___ °C
A. 0.0
B. 2.0
C. 4.0
D. 8.0
Ans: C
60 The temperature range of stratosphere is :-
A. -10 to -19 °C
B. -45 to -75 °C
C. -60 to -85 °C
D. -80 to -95 °C
Ans: B
61 C₃ plants saturate light upto 40,000 to 50,000 Lux while C₄
plants :-
A. 50,000-60,000
B. 60,000-70,000
C. 70,000-80,000
D. 90,000-100,000
Ans: D
62 Most salinity tolerant crop among the seed spices is :-
A. Coriander
B. Cumin
C. Fennel
D. Fenugreek
Ans: B
63 Saline soils could be improved by :-
A. Leaching
B. Gypsum application
C. Pyrite application
D. Sulphur application
Ans: A
64 Example of narrow leaf weed is :-
A. Amaranthus
B. Argemone
C. Phalaris
D. Chenopodium
Ans: C
65 Viability of weed seed like lotus remains for :-
A. 10 Years
B. 100 Years
C. 1000 Years
D. None of these
Ans: C
66 Which one is not a systemic herbicide :-
A. Atrazine
B. Simazine
C. Propanil
D. Paraquat
Ans: D
67 Which is not a phenoxy group of herbicide ?
A. 2,4 - D
B. 2,4 - DB
C. MCPA
D. 2,3,6 TBA
Ans: D
A. No response
B. Partial response
C. Full response
D. bring a response
Ans: D
52 In slopy lands most suitable irrigation method is :-
A. Drip
B. Check basin
C. Sprinkler
D. Surface flood
Ans: C
53 Objective of zero tillage is :-
A. To control soil run off
B. To check water run off
C. To control water percolation
D. To control soil erosion and allow aggregation
Ans: D
54 Climate change means :
A. Diurnal changes in weather parameters
B. Weekly changes in weather parameters
C. Monthly changes in weather parameters
D. Long term (more than 30 years) changes in weather parameters
Ans: D
55 Green house effect is related to :-
A. Rise in temperature
B. Rise in rainfall
C. Rise in precipitation
D. Rainfall delay
Ans: A
56 Role of abscisic acid in plants is :-
A. Increase in growth
B. Growth retardation
C. Cell elongation
D. More branching
Ans: B
57 Application of cycocel leads to :
A. Retardation of vegetative growth
B. Retardation of fruiting
C. Retardation of flowering
D. Check rooting
Ans: A
58 Relative growth rate of plants is :-
A. More yield with time
B. Yield with time
C. More growth with time
D. Growth with per unit time.
Ans: D
59 Highest density of water is at the temperature of ___ °C
A. 0.0
B. 2.0
C. 4.0
D. 8.0
Ans: C
60 The temperature range of stratosphere is :-
A. -10 to -19 °C
B. -45 to -75 °C
C. -60 to -85 °C
D. -80 to -95 °C
Ans: B
61 C₃ plants saturate light upto 40,000 to 50,000 Lux while C₄
plants :-
A. 50,000-60,000
B. 60,000-70,000
C. 70,000-80,000
D. 90,000-100,000
Ans: D
62 Most salinity tolerant crop among the seed spices is :-
A. Coriander
B. Cumin
C. Fennel
D. Fenugreek
Ans: B
63 Saline soils could be improved by :-
A. Leaching
B. Gypsum application
C. Pyrite application
D. Sulphur application
Ans: A
64 Example of narrow leaf weed is :-
A. Amaranthus
B. Argemone
C. Phalaris
D. Chenopodium
Ans: C
65 Viability of weed seed like lotus remains for :-
A. 10 Years
B. 100 Years
C. 1000 Years
D. None of these
Ans: C
66 Which one is not a systemic herbicide :-
A. Atrazine
B. Simazine
C. Propanil
D. Paraquat
Ans: D
67 Which is not a phenoxy group of herbicide ?
A. 2,4 - D
B. 2,4 - DB
C. MCPA
D. 2,3,6 TBA
Ans: D