ICAR PG Agronomy Previous Year Paper 2024 — Agri Master Mind

1) Which of the following is a desi cotton cultivated species in india as per Hutchinson (1947)? (ICAR-PG-AGRO-2024)
  • Gossypium arboreum, Gossypium herbaceum
  • Gossypium hirsutum, Gossypium barbadense
  • Gossypium arboreum, Gossypium hirsutum
  • Gossypium herbaceum, Gossypium barbadense
2) One acre-foot water is equal to how many cubic meter water? (ICAR-PG-AGRO-2024)
  • 1233.5
  • 1525.5
  • 3000.5
  • 3630.5
3) Lundegardh’s Cytochrome pump theory believed that there was a definite correlation between: (ICAR-PG-AGRO-2024)
  • Photosynthesis and anion absorption
  • Respiration and anion absorption
  • Photosynthesis and cation absorption
  • Respiration and cation absorption
4) Statement A: Variation in environment and landscape leads to soil evaluation rather than soil development.Statement B: Intermediate topography affords the best condition for the formation of an agriculture-productive soil. (ICAR-PG-AGRO-2024)
  • Both statements A and B are true
  • Statement A is true but B is false
  • Both statements A and B are false
  • Statement A is false but B is true
5) Statement (I): The optimum range of soil moisture for effective ploughing is 25 to 50 per cent depletion of available soil moisture.Statement (II): Light soil can be ploughed in a narrow range of soil moisture conditions while the range is wider for heavy soils. (ICAR-PG-AGRO-2024)
  • Both Statement (I) and Statement (II) are correct.
  • Both Statement (I) and Statement (II) are incorrect.
  • Statement (I) is correct but Statement (II) is incorrect
  • Statement (I) is incorrect but Statement (II) is correct
6) Which of the following features make a tree suitable for agroforestry? (A) Suitable for agro-climatic conditions. (B) Fast growing/Nitrogen fixing. (C) Meets needs for timber, fodder, fuel. (D) Generates employment and high returns. (ICAR-PG-AGRO-2024)
  • A, B and C only.
  • B, C and D only.
  • A, B and D only.
  • A, B, C and D.
7) Statement (I): Global Warming Potential (GWP) is a measure of energy emissions of 1 tonne of gas relative to 1 tonne of .Statement (II): A gas with a smaller GWP warms the Earth more compared to  over that time period. (ICAR-PG-AGRO-2024)
  • Both Statement (I) and Statement (II) are true.
  • Both Statement (1) and Statement (II) are false.
  • Statement (I) is true but Statement (II) is false.
  • Statement (1) is false but Statement (II) is true.
8) Correct order, in decreasing trend, of reservoirs based on their capacity at full reservoir level (): (ICAR-PG-AGRO-2024)
  • Ukai > Nagarjunasagar > Sriramsagar > Koyna > Idukki
  • Nagarjunasagar > Ukai > Sriramsagar > Idukki > Koyna
  • Nagarjunasagar > Sriramsagar > Ukai > Koyna > Idukki
  • Nagarjunasagar > Ukai > Sriramsagar > Koyna > Idukki
9) In neutron method used to measure soil moisture, the source of fast neutrons is a mixture: (ICAR-PG-AGRO-2024)
  • Radium-beryllium
  • Silicon-beryllium
  • Silicon-sodium
  • Sodium and americium
10) Total depth of irrigation applied for a wheat crop of 90 days base period is 70 cm, what will be the duty of water? (ICAR-PG-AGRO-2024)
11) Passage of mineral from top soil to subsoil through seepage of water is known as. (ICAR-PG-AGRO-2024)
  • Percolation
  • Leaching
  • Conduction
  • Transpiration
12) A method of irrigation in which water is applied on per plant basis. (ICAR-PG-AGRO-2024)
  • Bubbler irrigation
  • Pulse irrigation
  • Micro-jet
  • Fogging system
13) The major site of uptake for soil applied herbicides are : (A) Root , (B) Shoot , (C) Seed , (D) Leaves. (ICAR-PG-AGRO-2024)
  • A, B, C and D
  • A and C only
  • B and C only
  • A, B and C only
14) Assertion (A): Saline soils are dominated by neutral soluble salts consisting of chlorides and sulphates of sodium, calcium and magnesium .Reason (R): Sodic soils contain sodium salts capable of causing alkaline hydrolysis, mainly . (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are true and (R) is the correct explanation of (A)
  • Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
  • (A)                        is true but (R) is false
  • (A)                        is false but (R) is true
15) Assertion (A): For determination of total nitrogen in soil, the sample is usually digested with concentrated  in the presence of catalyst mixture consisting of  and  in the ratio of 10:1 .Reason (R):  raises the boiling point of  to promote organic matter oxidation, while  acts as a catalyst. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are true and (R) is the correct explanation of (A)
  • Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
  • (A)                        is true but (R) is false
  • (A)                        is false but (R) is true
16) Assertion (A): The temperature decreases with height in the troposphere .Reason (R): Ozone absorbs ultraviolet radiation in the troposphere and makes it cool. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are correct and (R) is the correct explanation of (A)
  • Both (A) and (R) are correct but (R) is NOT the correct explanation of (A)
  • (A)                        is correct but (R) is not correct
  • (A)                        is not correct but (R) is correct
18) Which of the following is not a seed germination inhibitor? (ICAR-PG-AGRO-2024)
  • Coumarin
  • Phthalides
  • Ferulic acid
  • Gibberellic acid
20) The idealized patterns range for planophile with most leaves nearly horizontal and erectophile with most leaves nearly vertical are: (ICAR-PG-AGRO-2024)
  • from horizontal and from horizontal
  • from horizontal and from horizontal
  • from horizontal and from horizontal
  • from horizontal and from horizontal
22) In India, EID (Parry) Ltd for the first time produced single superphosphate (SSP) by treating fresh bone meal with  in the year -. (ICAR-PG-AGRO-2024)
  • 1904
  • 1905
  • 1906
  • 1907
23) Which dramatic changes occur in the  retention zone immediately after application of anhydrous ? (A) circular zone (3-13 cm), (B) 1000-3000 ppm , (C) pH 9.0-9.5, (D)  toxic levels (100-300 ppm). (ICAR-PG-AGRO-2024)
  • (A), (B) and (D) only
  • (A), (B) and (C) only
  • (A), (B), (C) and (D)
  • (B), (C) and (D) only
24) The sequence of events occurring upon application of urea in soil are: (A) Hydrolysis, (B) Nitrification, (C) Denitrification, (D) Leaching. (ICAR-PG-AGRO-2024)
  • (A), (B), (C), (D)
  • (A), (B), (D), (C)
  • (B), (A), (D), (C)
  • (C), (B), (D), (A)
25) The date of summer solstice in the southern hemisphere is -. (ICAR-PG-AGRO-2024)
  • 21st December
  • 21st March
  • 21st June
  • 23rd September
26) Rieske centre is -. (ICAR-PG-AGRO-2024)
  • Core complex I
  • Cytochrome b6-f complex
  • protein
  • protein
27) Weed seed dispersal by ants is known as -. (ICAR-PG-AGRO-2024)
  • Myrmecochory
  • Autochory
  • Blastochory
  • Herpochory
28) Assertion (A): Operational microwave remote sensing has both active and passive sensors. Reason (R): Active microwave remote sensing depends on the emission characteristics of target surfaces.. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are true and (R) is correct explanation
  • Both (A) and (R) are true but (R) is NOT correct explanation
  • (A)                        is true but (R) is false
  • (A)                        is false but (R) is true
29) In symplastic loading the transport sugars are mainly -. (ICAR-PG-AGRO-2024)
  • Sucrose
  • Glucose
  • Maltose
  • Vitamin C
30) The first commercially available robotic weeding machine is known as -. (ICAR-PG-AGRO-2024)
  • Robocrop
  • Robotic weeder
  • Robo power weeder
  • Robo weeder
32) International year of millets was celebrated during the year. (ICAR-PG-AGRO-2024)
  • 2011
  • 2020
  • 2023
  • 2024
33) Which of the following dyes is used for testing the viability of seeds?. (ICAR-PG-AGRO-2024)
  • Safranine
  • 2,6 dichlorophenol indophenols
  • 2,3,5, triphenyl tetrazolium chloride
  • Acridine
34) Statement A: Retting in slow running water is better than stagnant water. Statement B: The extraction of the fiber of sunhemp is more difficult than jute.. (ICAR-PG-AGRO-2024)
  • Both A and B are right
  • Both A and B are wrong
  • A is right but B is wrong
  • B is right but A is wrong
36) Read the statements (A-E) regarding soil water holding capacity and choose the correct answer.. (ICAR-PG-AGRO-2024)
  • (B)                        and (D) only
  • (A), (C) and (D) only
  • (B), (D) and (E) only
  • (B), (C) and (E) only
37) Nutrient index value (Parker, 1952) is calculated using the expression:. (ICAR-PG-AGRO-2024)
39) VL-149 and Gautami are the varieties of. (ICAR-PG-AGRO-2024)
  • Barley
  • Finger millet
  • Chick pea
  • Lentil
40) Assertion (A): In Global Positioning System three satellites are accommodated in each orbit at an altitude of 20,185 km from surface of the Earth. Reason (R): All the GPS satellites are placed in six orbits.. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are true and (R) is correct explanation
  • Both (A) and (R) are true but (R) is NOT correct explanation
  • (A)                        is true but (R) is false
  • (A)                        is false but (R) is true
41) Which one of the following is not a genus of Pennisetum as per the classification of Stapf (1934)? (ICAR-PG-AGRO-2024)
  • Gymnothrix
  • Penicillaria
  • Eupennisetum
  • Bicolor
42) Active transport of ions across the membrane of a root hair can be assumed to be taking place if: (C) The uptake of ions stops when cyanide is added, (D) The uptake of ions is against the concentration gradient. (ICAR-PG-AGRO-2024)
  • (A)                        and (C) only
  • (C)                        and (D) only
  • (B)                        and (C) only
  • (B)                        and (D) only
43) Which of the following weeds is an annual weed? (ICAR-PG-AGRO-2024)
  • Cyperus rotundus
  • Sonchus arvensis
  • Panicum maximum
  • Sonchus oleraceous
44) ‘Priya’ is a variety of which maize group? (ICAR-PG-AGRO-2024)
  • Baby corn
  • Pop corn
  • Sweet corn
  • Fodder maize
45) Arrange the major sources of feedstock for nitrogenous fertilizer in India according to their higher share of consumption: (A) Naphtha, (B) Natural Gas, (C) Coal or Coke, (D) Electrolysis of water. (ICAR-PG-AGRO-2024)
  • (A), (B), (C), (D)
  • (B), (A), (C), (D)
  • (B), (A), (D), (C)
  • (C), (B), (D), (A)
46) Enzyme responsible for carboxylation in  plants: (ICAR-PG-AGRO-2024)
  • Phosphoenol pyruvic acid (PEP) carboxylase
  • Phosphophenol pyruvic acid (PEP) carboxylase
  • Phospho pyruvic acid (PEP) carboxylase
  • Phospheticenol pyruvic acid (PEP) carboxylase
48) Oat has a protein composition of 80 percent: (ICAR-PG-AGRO-2024)
  • Hordenin
  • Glutelins
  • Zein
  • Gliadin
49) Assertion (A): High Na-concentration in irrigation water may reduce oxygen supply to the root system. Reason (R): High sodium content in irrigation water causes flocculation of soil particles. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are true and (R) is correct explanation
  • Both (A) and (R) are true but (R) is NOT correct explanation
  • (A)                        is true but (R) is false
  • (A)                        is false but (R) is true
50) If water is available for three irrigations only, at which stages should the wheat crop be irrigated? (ICAR-PG-AGRO-2024)
  • CRI, Late jointing and Flowering
  • CRI, Late tillering and Flowering
  • CRI, Boot and Flowering
  • CRI, Boot and Milk
51) One cumec day is equal to: (ICAR-PG-AGRO-2024)
  • 8.64 ha-cm
  • 8.64 ha-m
  • 12.64 ha-m
  • 12.64 ha-cm
52) ATP is produced in which of the following steps of ETS? (ICAR-PG-AGRO-2024)
  • FAD-UQ
53) Among the following, which thermometer is not installed in an agro-meteorology observatory? (ICAR-PG-AGRO-2024)
  • Maximum temperature thermometer
  • Minimum temperature thermometer
  • Wet bulb thermometer
  • IR thermometer
54) The flour corn is also known as: (ICAR-PG-AGRO-2024)
  • Zea mays everta
  • Zea mays indurata
  • Zea mays amylacea
  • Zea mays tunicata
55) ‘Pusa Kiran’ is a variety of: (ICAR-PG-AGRO-2024)
  • Wheat
  • Jowar
  • Maize
  • Bajra
56) Assertion (A): Gypsum can be used to manage sub-soil acidity. Reason (R): The  released by dissolution of gypsum increases level of Ca and reduces level of Al in both soil solution and exchange complex. (ICAR-PG-AGRO-2024)
  • (A)                        is true but (R) is false
  • (A)                        is False but (R) is True
  • Both (A) and (R) are correct, and (R) is correct explanation
  • Both A and (R) are correct but (R) is not correct explanation
57) Electro-osmotic theory for translocation of organic solutes was given by: (ICAR-PG-AGRO-2024)
  • Mason & Phillis
  • Fenson & Spanner
  • Van den Honert
  • De Vries & Curtis
58) Read statements (A-E) regarding furrow and border irrigation slopes and choose the correct answer. (ICAR-PG-AGRO-2024)
  • (A), (B) and (D) only
  • (C)                        and (D) only
  • (B)                        and (E) only
  • (A), (D) and (E) only
59) For commercial production of DAP (Diammonium phosphate), liquid ammonia is reacted with mineral acid: (ICAR-PG-AGRO-2024)
  • Nitric acid ()
  • Sulphuric acid ()
  • Hydrochloric acid (HCl)
  • Phosphoric acid ()
60) Which of the following are slow release fertilizers? (A) Urea-formaldehyde, (B) PPDA, (C) Urea-Z, (D) Crotonylidene diurea. (ICAR-PG-AGRO-2024)
  • (A), (C) and (D) only
  • (A), (B) and (D) only
  • (A), (B), (C) and (D)
  • (B), (C) and (D) only
61) ______ is considered as father of conservation tillage. He wrote the book entitled ______. (ICAR-PG-AGRO-2024)
  • “Jethro Tull” and “Horse Hoeing Husbandry”
  • “Edward H. Faulkner” and “Plowman’s Folly: A Second Look”
  • “Pietro de Crescenzi” and “Book of Rural Benefits”
  • “Glubler B. Triplets” and “Plowman’s Folly: A Second Look”
62) The sap of a plant cell has an osmotic potential of -10 bars and there is a wall pressure of 2 bars. When this cell is placed with an osmotic potential of -3 bars, the force causing water to enter the cell is: (ICAR-PG-AGRO-2024)
  • -8 bar
  • -7 bar
  • -5 bar
  • -3 bar
63) The halophytes which can resist a wider range of salt concentrations are known as: (ICAR-PG-AGRO-2024)
  • Euryhaline
  • Stenohaline
  • Thermal denaturation
  • Photoacclimation
64) Journal of Soil and Water Conservation is published by: (ICAR-PG-AGRO-2024)
  • Soil Conservation Society of India, New Delhi
  • Association of Soils and Crops Research Scientists, Nagpur
  • Agricultural Research Communication Centre, Karnal
  • Indian Association of Soil and Water Conservationists, Dehradun
65) World’s most water saving high yielding aromatic rice variety is: (ICAR-PG-AGRO-2024)
  • Pusa 1121
  • Pusa 1002
  • Pusa 2679
  • Pusa 2677
66) Which of the following statements are correct for “Gibberellins”? (A) 50 forms, (B) broke dormancy, (C) hastens senescence, (D) hastens water uptake. (ICAR-PG-AGRO-2024)
  • (A), (B) and (D) only
  • (A)                        and (B) only
  • (C)                        and (D) only
  • (B), (C) and (D) only
68) Sulphur deficiency first occurs in: (ICAR-PG-AGRO-2024)
  • Young leaves
  • Leaf sheath of older leaves
  • Young stems
  • Leaf blade of older leaf
69) For qualifying as an essential nutrient, element must satisfy the essentiality criteria propounded by D.I. Arnon and P.R. Stout in the year: (ICAR-PG-AGRO-2024)
  • 1937
  • 1938
  • 1939
  • 1940
70) Assertion (A): Fixation and release of  in soil is influenced by absence or presence of ammonium ion (). Reason (R): The physics of  is closely related to that of  because both ions have similar ionic radii and low hydration energy. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are true and (R) is the correct explanation of (A)
  • Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
  • (A)                        is true but (R) is false
  • (A)                        is false but (R) is true
71) From the following statements, find out the incorrect one: (ICAR-PG-AGRO-2024)
  • Higher is the temperature, lesser will be the activity of herbicides.
  • Chemical selectivity is true selectivity.
  • Selectivity is relative property of herbicides.
  • Due to more leaching, lower doses of herbicides are sufficient in light soils
72) Statement A. In case of triticale, wheat is the male parent and rye is the female parent. Statement B. It is mainly a kharif crop in India. Statement C. It is mainly used for animal feeding as roughage. (ICAR-PG-AGRO-2024)
  • Only A is true
  • Only B is true
  • Only C is true
  • All is true
73) Jasmonate is synthesized in plant from: (ICAR-PG-AGRO-2024)
  • Linolenic acid
  • Diphosphatidylglycerol
  • Leucine
  • Salicylic acid
74) The law which states that whatever is being taken by plants from soil needs to be restored to maintain the nutrient supplying capacity of the soil is known as: (ICAR-PG-AGRO-2024)
  • Law of Restoration
  • Law of Restitution
  • Law of Maximum
  • Law of Conservation
75) Which among the followings is used as modifier for herbicides? (ICAR-PG-AGRO-2024)
  • Butylate
  • Dazomet
  • Dietholate
  • Molinate
76) Statement A. 2,4-D should be applied in grain Sorghum when it attains a height of 10-30 cm. Statement B 2,4-D should be applied in wheat 18-25 days after sowing. (ICAR-PG-AGRO-2024)
  • Both A and B are true.
  • Both A and B are false
  • A is true but B is false
  • B is true but A is false
77) Statement (1): The Qanats, the oldest known irrigation methods, were developed in Ancient Persia. Statement (II): The system comprises a network of canals and steeply sloping tunnels driven into sides of cliffs and steep hills for harvesting of rain water. (ICAR-PG-AGRO-2024)
  • Both Statement (1) and Statement (II) are true
  • Both Statement (1) and Statement (II) are false.
  • Statement (1) is true but Statement (II) is false.
  • Statement (1) is false but Statement (II) is true
78) Choose the correct statements about Phosphorus: (A) P-content 0.1-0.4%, (B) “Energy currency”, (C) Roots absorb  and , (D) Structural component of DNA/RNA. (ICAR-PG-AGRO-2024)
  • (A), (B) and (D) only.
  • (A), (B) and (C) only.
  • (A), (B), (C) and (D).
  • (B), (C) and (D) only
79) hy4 gene related to photomorphogenesis was later named as: (ICAR-PG-AGRO-2024)
  • cry1 gene
  • cry3 gene
  • cry9 gene
  • cry7 gene
80) A rice crop of 5 ha area was irrigated 10 times with 5 cm water per irrigation, find out the total quantity of water applied in cubic meter. (ICAR-PG-AGRO-2024)
  • 5000
  • 10,000
  • 20,000
  • 25,000
81) Weight of a soil sample with can is 210 g and dry weight with can is 180 g. Weight of empty moisture can is 40 g. Calculate moisture content of soil sample. (ICAR-PG-AGRO-2024)
  • 18.0%
  • 21.4%
  • 25.0%
  • 27.3%
84) Optimum soil temperature for potato crop in tropics is: (ICAR-PG-AGRO-2024)
85) Which of the following herbicides is a contact herbicide? (ICAR-PG-AGRO-2024)
  • Atrazine
  • Pyrazon
  • Nitrofen
  • Oxyfluorfen
86) Arka Garima is a variety of: (ICAR-PG-AGRO-2024)
  • Cowpea
  • Lentil
  • Fieldpea
  • Horsegram
87) The characteristics of ammonium sulphate are: (A) white crystalline, (B) 20.5% N and 23.7% S, (C) least hygroscopic, (D) best for acid soil. (ICAR-PG-AGRO-2024)
  • (A), (B) and (D) only
  • (A), (B) and (C) only
  • (A), (B), (C) and (D)
  • (B), (C) and (D) only
88) Find out the correct equation from the following: (ICAR-PG-AGRO-2024)
89) The process whereby adjustments are made to structure and function of the photosynthetic apparatus in response to change in growth irradiance is called: (ICAR-PG-AGRO-2024)
  • Denaturation
  • Transition temperature
  • Photo-acclimation
  • Photorespiration
90) The characteristics of saline-sodic soil are: (ICAR-PG-AGRO-2024)
  • , , ,
  • , , ,
  • , , ,
  • , , ,
91) BSH-169 and HBL-113 are the varieties of: (ICAR-PG-AGRO-2024)
  • Barley
  • Pearl millet
  • Sorghum
  • Maize
92) Yellow mite mainly attacks: (ICAR-PG-AGRO-2024)
  • Capsularis jute
  • Olitorius jute
  • Crotalaria juncia
  • Avena sativa
93) Find out the correct one from the following statements regarding Castor: (ICAR-PG-AGRO-2024)
  • In castor, varieties with high waxy bloom are more resistant to mites.
  • Castor is a long-day plant (LDP)
  • Warmer temperature during flowering promotes more female flower and cooler temperature promotes more male flower
  • The germination of castor is epigeal type, so more problem of germination in crusted soil
94) Early sowing of pulses is not recommended mainly due to: (ICAR-PG-AGRO-2024)
  • More vegetative growth
  • Higher weed pest problem
  • Photoperiod sensitivity
  • Less availability of water
96) Assertion (A): Among components of sustainability, productivity and ecological viability are more important than economic and social viability. Reason (R): Because food security depends upon per capita productivity and permanence of productivity depends on ecological base. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are correct and (R) is correct explanation of (A)
  • Both (A) and (R) are correct but (R) is not correct explanation of (A)
  • (A)                        is correct but (R) is not correct.
  • (A)                        is not correct but (R) is correct
97) Statement (I) Capillary rise is responsible for loss of water from soil by evaporation. Statement (II): Retention of water by soil against gravitation pull depends on two surface forces, namely, cohesion and adhesion. (ICAR-PG-AGRO-2024)
  • Both Statement (1) and Statement (II) are true.
  • Both Statement (1) and Statement (II) are false.
  • Statement (1) is true but Statement (II) is false.
  • Statement (1) is false but Statement (II) is true
98) Assertion (A): The database concept is central to a Geographical Information System (GIS). Reason (R) GIS does not hold any maps and pictures, it holds only a database. (ICAR-PG-AGRO-2024)
  • Both (A) and (R) are true and (R) is the correct explanation of (A)
  • Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
  • (A)                        is true but (R) is false.
  • (A)                        is false but (R) is true
99) Read the following regarding parasites: (A) Orobanche (total stem/tomato), (B) Cuscuta (total stem/linseed), (C) Loranthus (partial stem/mango), (D) Broom rape (obligate root/mustard). (ICAR-PG-AGRO-2024)
  • A, B and D only
  • A, B and C only
  • B, C and D only
  • A, C and D only
101) The vernalization is the induction of the flowering process of the plant by exposure to a prolonged cold, these processes are: (ICAR-PG-AGRO-2024)
  • Aerobic
  • Anaerobic
  • Aerobic and anaerobic
  • Light sensitive
102) Which of the following combinations is not correct? (ICAR-PG-AGRO-2024)
  • Camphor - Salvia shrubs
  • Phlorizin - Phyllanthus emblica
  • Bialophos - Microorganism
  • Dhurrin - Sorghum
103) Potassium (K) is present in soil in different forms. Plants prefer to take up K from the soil as: (ICAR-PG-AGRO-2024)
  • Exchangeable K
  • Solution K
  • Total or Mineral K
  • Non-exchangeable K
104) Choose the correct statements about Nitrification: (A) Two-step process  to , (B) First step by Nitrosomonas, (C) Second step by Nitrobacter and Nitrosolobus, (D) Second step by Nitrobacter only. (ICAR-PG-AGRO-2024)
  • (A), (B) and (D) only.
  • (A), (B) and (C) only.
  • (A), (B), (C) and (D).
  • (B), (C) and (D) only.
105) How many days in advance, weather forecasts are currently issued by IMD for a medium range weather forecasting? (ICAR-PG-AGRO-2024)
  • 3 days
  • 5 days
  • 10 days
  • 21 days
106) Legumes are generally rich in: (ICAR-PG-AGRO-2024)
  • Albuminus
  • Globulins
  • Glutelins
  • Prolamins
107) Arrange in the correct sequence the steps of Precision Agriculture: (A) Evaluation, (B) Preparation of maps, (C) Managing variability, (D) Assessing variability. (ICAR-PG-AGRO-2024)
  • (A), (B), (C), (D)
  • (D), (B), (C), (A).
  • (B), (A), (D), (C)
  • (C), (B), (D), (A)
108) Which of the following primary products of carbon fixation are the 4 carbon compounds in  plants? (ICAR-PG-AGRO-2024)
  • Malic acid and aspartic acid
  • Aspartic acid and tartaric acid
  • Malic acid and tartaric acid
  • Malic acid, aspartic acid and tartaric acid
109) Direct solar radiation contains how much PAR? (ICAR-PG-AGRO-2024)
  • 30%
  • 50%
  • 42%
  • 65%
110) Remote sensing satellites are placed above the earth surface at a height of: (ICAR-PG-AGRO-2024)
  • 800 km
  • 1000 km
  • 18000 km
  • 36000 km
111) Deficiency of boron (B) can be corrected by application of which of the following fertilizers? (A). Borax, (B). Boric acid, (C). Solubor, (D). Lime. (ICAR-PG-AGRO-2024)
  • (A), (B) and (D) only
  • (A), (B) and (C) only
  • (A), (B), (C) and (D)
  • (B), (C) and (D) only
112) Statement A. Drum seedling is a technique of DSR which is basically a type of wet seeding. Statement B. It is invented by CRRI. (ICAR-PG-AGRO-2024)
  • Both are true
  • Both are false
  • A is true and B is false
  • B is true and A is false
113) Dinitrogenase is a: (ICAR-PG-AGRO-2024)
  • 240 KDa heterotetramer enzyme
  • 200 KDa heterotetramer enzyme
  • 150 KDa heterotetramer enzyme
  • 400 KDa heterotetramer enzyme
114) Optimum temperature and relative humidity for microbial degradation of herbicides in soil is: (ICAR-PG-AGRO-2024)
  • and 50-100%
  • and 50-75%
  • and 75-100%
  • and 75-90%
115) Statement (1) The term preparatory cultivation and seed bed preparation are used synonymously. Statement (II): Preparatory cultivation consists of three distinct operations viz. primary tillage, secondary tillage and layout of seed bed. (ICAR-PG-AGRO-2024)
  • Both Statement (1) and Statement (II) are correct
  • Both Statement (1) and Statement (II) are incorrect
  • Statement (1) is correct but Statement (II) is incorrect
  • Statement (1) is incorrect but Statement (II) is correct
116) Which of the followings is not a method of computing water balance in Thornthwaite’s 1948 systems? (ICAR-PG-AGRO-2024)
  • Moisture index
  • Humidity index
  • Seasonal rainfall variation
  • Thermal efficiency index
117) Read the following regarding biological weed control: (A). It is ecofriendly because of no pollution, (B). It is long lasting because of its slow action, (C). A particular weed can be controlled in inaccessible areas, (D). It can lead to 100% control of a particular weed, (E). It is economical in the long-run. (ICAR-PG-AGRO-2024)
  • B, C and D only
  • A, B and D only
  • A, C and E only
  • A, B, C, D and E
118) “GYEI” Stands for: (ICAR-PG-AGRO-2024)
  • Grain yield efficiency intensity
  • Gross yield efficiency intensity
  • Gross yield efficiency index
  • Grain yield efficiency index
119) Which one of the followings is not a drought tolerant variety? (ICAR-PG-AGRO-2024)
  • Sahbhagi Dhan
  • Swarna-sub 1
  • Pant Sankar Dhan 3
  • CSR35
120) For weeds evolution, CSR refers to: (ICAR-PG-AGRO-2024)
  • C- Competitiveness, S- Sensitiveness to stress, R- Ruderal habit
  • C- Competitiveness, S- Stress tolerance, R- Ruderal habit
  • C-Crop, S- Stress, R- Resistance
  • C- Crop, S- Specific, R-Ruderal habit