Here is the unofficial Answer Key of Rajasthan Pre-PG Entrance Exam August 2021. Questions of this exam help to the students to analyse the pattern and syllabus of the exams. Kindly study the complete paper and share with your friends.
1. The dominance of new genetic form of environmental change is called:
(a). Adaptation
(b). Succession
(c). Synergism
(d). Natural Selection
Ans. D
2. Soil Water potential at FC ranges from:
(a). -0.01 to -0.03 bars
(b). -0.1 to -0.3 M Pa
(c). -0.001 to -0.003 M Pa
(d). -0.0001 to -0.003 M Pa
Ans. C
3. In which system of drainage arrangment, dead furrows are formed:
(a). Parallel system
(b). Random system
(c). Bedding system
(d). Interception system
Ans: c
4. Which is not a component of sustainable agriculture:
(a) Sustainable utilization of land & resources
(b) Sustainable utilization
(c) INM & IPP
(d) Soil degradation
Ans: d
5. Which of the following crop is known as poor's man meat?
(a) Barley
(b) Soybean
(c) Potato
(d) Cabbage
Ans: b
6. Pearl millet + black gram is an important intercropping of which state?
(a) Bihar
(b) Rajasthan
(c) Jammu
(d) Karnataka
Ans: b
7. Which is not a component of contigent cropping growing under:
(a) Normal weather conditions
(b) Aberrant weather conditions
(c) Encounter emergency conditions
(d) Suitable crop in place of normal crop
Ans: a
8. A farmer applied 100 liters of herbicide solution having concentration of 0.2% calculate the amount of herbicide applied:
(a) 20 g
(b) 200 g
(c) 2000 g
(d) none of them
Ans: a
9. Environmentally sustainable dry land farming system emphasis:
(a) Inclusion of more cropping system
(b) Conservation tillage
(c) Conservation and utilization of natural resources
(d) None of these
Ans: c
10. Farming system Research involves:
(a) Low-cost location specific technology
(b) High-cost location specific technology
(c) Medium cost location specific technology
(d) None of these
Ans: a
11. Backcrossing method is used:
(a) In cross pollinated crops
(b) For hybrid development
(c) For developing altogether new variety
(d) For improving single trait
Ans: d
12. One cycle of simple recurrent selection is completed in:
(a) 2 years
(b) 3 years
(c) 4 years
(d) 5 years
Ans: c
13. Recombination fraction expressing the proportion of cross-overs verses parental combinations in a progeny-is known as:
(a) Linkage
(b) linkage map
(c) Linkage value
(d) Pleiotropy
Ans: Not Confirmed yet.
14. The process of heritable structural changes is genes is known as:
(a) Cross-over
(b) Linkage
(c) Penetrance
(d) Mutation
Ans: d
15. Pollination and fertilization in an unopened flower bud is called:
(a) Inbreeding
(b) Cleistogamy
(c) Cross pollination
(d) Cross-over
Ans: b
16. Which one of the followings is not a common class of certified seed in India:
(a) Breeder seed
(b) Foundation seed
(c) Registered seed
(d) Certified seed
Ans: c
17. Which one of the followings is not a form of apomixis?
(a) Apogamy
(b) Parthenogenesis
(c) Apospory
(d) Selfing
Ans: d
18. The term Noblization is common in:
(a) Wheat
(b) Sugarcane
(c) Sorghum
(d) Maize
Ans: b
19. Single cross hybrids, double cross hybrids, synthetic varieties and composite varieties are common in:
(a) Wheat
(b) Cotton
(c) Sugarcane
(d) Maize
Ans: d
20. The sugarcane variety covering the maximum area in our country is:
(a) Co 0238
(b) Co 86032
(c) COM 0265
(d) Co 0118
Ans: a
21. Which of the following salt is dominant in alkali soils?
(a) Cl
(b)HCO3
(c) CO3
(d) SO4
Ans: b
22. If soils have pH 4.5 than which type soil required more amount of lime for
reclamation?
(a) Clay
(b) Loamy
(c) Silty
(d) Sandy
Ans: a
23. In which nutrients, microbial process are more important to make it available?
(a) N ad P
(b) N and K
(c) N and S
(d) N and Ca
Ans: a
24. How much carbon content in organic matter?
(a) 58%
(b) 92%
(c) 49%
(d) 5%
Ans: a
25. The common shrub used for green manuring is?
(a) Dhaincha
(b) Cluster bean
(c) Sunhemp
(d) Glyricidia
Ans: c
26. Percent of P₂O5 in single super phosphate is?
(a) 18
(b) 16
(c) 46
(d) 48
Ans: b
27. Which is the national representative body of all fertilizer manufactures in India?
(a) FAI (Fertilizer Association of India)
(b) ISSS
(c) FCO
(d) NBSS & LUP
Ans: a
28. Who suggest the term functional nutrients?
(a) Criss
(b) Leibig
(c) Nicholus
(d) Arnon
Ans: c
29. Which of the following type of soil survey is most suitable for water shed planning?
(a) Exploratory survey
(b) Detailed survey
(c) Reconnaissance survey
(d) Semi-Detailed survey
Ans: c
30. Muddy runoff from the field is an indicator of:
(a) Splash erosion
(b) Gully erosion
(c) Rill erosion
(d) Sheet erosion
Ans: b
31. Which microbe is commonly used in production of Alcoholic beverages?
(a) Lactobacillus lactis
(b) Saccharomyces cerevisiae
(c) Penicillium chrysogenum
(d) Bacillus subtilis
Ans: b
32. A symbiotic association of a fungus with the roots of a higher plant is called?
(a) Nitrification
(b) Lichen
(c) Nodulation
(d) Mycorrhiza
Ans: d
33. Which microbial species are used as biological control agent for the plant pathogen under field conditions?
(a) Trichoderma
(b) Puccinia
(c) Saccahromyces
(d) Colletotrichum
Ans. a
34. Rust pathogen belongs to which group of fungi:
(a) Ascomycetes
(b) Oomycetes
(c) Basidiomycetes
(d) Myxomycetes
Ans: a
35. White rust of crucifers is caused by?
(a) Alternaria alternata
(b) Albugo candida
(c) Fusarium moniliforme
(d) Rhizoctonia solani
Ans: b
36. Phytoplasma belongs to which group of microorganisms:
(a) Algae
(b) Bacteria
(c) Fungi
(d) Virus
Ans: b
37. Red rot disease of sugarcane is caused by which fungus?
(a) Puccinia recondita
(b) Collelotrichum gloeosporiodes
(c) Colletotrichum falcatum.
(d) Fusarium oxysporum
Ans: c
38. Gelatinous matrix in Meloidogyne is secreted by:
(a) uterine cells
(b) Hypoderman glands
(c) Vaginal glands
(d) rectal glands
Ans: d
39. Trypan Blue has been perfected for staining egg-sace of:
(a) Meloidogyne incognita
(b) Heterodera cajani
(c) Rotylenchulus reniformis
(d) Meloidogyne indica
Ans: Not Cofirmed Yet
40. The species of root knot nematode that attacks wheat is:
(a) Pratylenchus loosi
(b) Pratylenchus indicus
(c) Pratylenchus thorneii
(d) Pratylenchus vulnus
Ans: c
41. Whole pod edible variety of pea is:
(a) Kashi nandini
(b) Lincoln
(c) Arka Apoorva
(d) Little marvel
Ans: c
42. Keikies and pseudobulbs are propagation units of which cut flower:
(a) Orchids
(b) Gladiolus
(c) Bird of paradise
(d) Anthurium
Ans: b
43. Calyx splitting is main post harvest disorder of cut flower:
(a) Rose
(b) Gladiolus
(c) Carnation
(d) Orchid
Ans: c
44. Temperature requirement for snowball type cauliflower varieties is:
(a) 10-15° C
(b) 20-25° C
(c) 12-16° C
(d) 20-27° C
Ans: b
45. Dwarf cavendish belongs to which genomic group:
(a) AB
(b) AA
(c) AAAA
(d) AAA
Ans: d
46. Fruit tree pollinated by birds:
(a) Apple and Pear
(b) Banana and pineapple
(c) Papaya and pomegranate
(d) Mango and Guava
Ans: b
47. Low salt tolerant fruit tree is:
(a) Pomegranate
(b) Ber
(c) Apple
(d) Guava
Ans: c
48. In which fruit trees fruit buds borne terminally:
(a) Mango
(b) Grape
(c) Peach
(d) Ber
Ans: a
49. In order to control the quality of processed food the Government of India passed the fruit products Order (F.P.O.) in the year:
(a) 1950
(b) 1973
(c) 1949
(d) 1955
Ans: d
50. Ruby hybrid of pomegranate is developed at:
(a) CAZRI, Jodhpur
(b) IIHR, Bengaluru
(c) CIAH, Bikaner
(d) IARI, New Delhi
Ans: b
51. Loyal timber of poor farmer is:
(a) Teak
(b) Sal
(c) Deodar
(d) Bamboo
Ans: d
52. In North America, temperate grasslands are called:
(a) Prairies
(b) Savannas
(c) Pampas
(d) Biomes
Ans: a
53. Geographical seed source from where seeds/propagules of any species are collected is known as:
(a) Seed source
(b) Seed stand
(c) Provenance
(d) Regeneration stand
Ans: a
54. Main content of Katha is:
(a) Catechin
(b) Catechu tannic acid
(c) Acetic acid
(d) Catechoides
Ans: b
55. Project snow leopard was launched in:
(a) 1973
(b) 1995
(c) 2009
(d) 2014
Ans: c
56. Abujh Maria tribes are found in:
(a) Manipur
(b) Nagaland
(c) Meghalaya
(d) Madhya Pradesh
Ans: d
57. Progeny for which only one parent is known:
(a) Full sib
(b) Half sib
(c) Unknown
(d) Genetic drift
Ans: b
58. The diameter class (cm) followed in India:
(a) 2,5, 10
(b) 1, 2, 5
(c) 1,3,5
(d) 3, 5, 10
Ans: a
59. The nitrogen content of leaf litter varies from:
(a) 50-150 kg
(b) 500-1000 kg
(c) 150-300 kg
(d) > 1000 kg
Ans: c
60. Combination of wheat/Maize + Poplar + Livestock give rise to a agroforestry system:
(a) Silvi-agri-pastoral
(b) Agri-silvi-pastoral
(c) Pastoral-silvi-agriculture
(d) Agri-pastoral-Silviculture
Ans: b
61. Fireflies belong to which order?
(a) Diptera
(b) Neuroptera
(c) Coleoptera
(d) Mecoptera
Ans: c
62. Filter chamber is seen in which of the following insects?
(a) Aphids
(b) Mites
(c) Louse
(d) Fleas
Ans: a
63. Which insect pest causes skeletonizations in brinjal leaves?
(a) Leucinodes orbonalis
(b) Myllocerus subfasciantus
(c) Epilachna vigintioctopunctata
(d) Urentius echinus
Ans: c
64. Okra yellow vein mosaic virus and cowpea mosaic virus are transmitted by which insects, respectively?
(a) Aphis gossypii and Bemisia tabaci
(b) Bemisia tabaci and Aphis craccivora
(c) Bemisia tabaci and Aphis gossypii
(d) Aphis craccivora and Bemisia tabaci
Ans: b
65. Bagging of fruits with paper bag and muslin cloth in pomegranate is done against which pest?
(a) Deudorix (Virachola) isocrates
(b) Siphoninus phillyreae
(c) Coelostema spinator
(d) Scirtohrips dorsalis
Ans: a
66. What kind of nesting behaviour is seen in Apis cerana indica?
(a) Single unit
(b) Depend on environment
(c) Parallel combs
(d) Octagonal
Ans: c
67. The idea of controlling insects by sterilizing them was first conceived by?
(a) Robson
(b) E.F. knipling
(c) A.G. Tansley
(d) T.H. Morgan
Ans: b
68. Upon which of the following host plants, only kusmi strain of Kerria lacca can be developed?
(a) Butea monosperma
(b) Ziziphus mauritiana
(c) Shorea oleosa
(d) Acacia auriculiformis
Ans: c
69. Under alkaline conditions:
(a) DNA is rapidly hydrolyzed
(b) RNA is rapidly hydrolyzed
(c) DNA and RNA are rapidly hydrolyzed
(d) Neither DNA nor RNA is rapidly hydrolyzed
Ans: Not Confirmed Yet
70. Which of these enzymes requires ATP/CTP?
(a) Lyases
(b) Ligases
(c) Hydrolases
(d) Dehydrogenases
Ans: b
71. Rancidity of lipids in lipid-rich food stuff is because of:
(a) Reduction of fatty acids
(b) Hydrogenation of unsaturated fatty acids
(c) Dehydrogenation of saturated fatty acids
(d) Oxidation of fatty acids
Ans: d
72. The ability of a single cell to regenerate into a whole plant from which it was derived is known as:
(a) Regeneration
(b) Transformation
(c) Totipotency
(d) Sub culturing
Ans: c
73. Which word means "from the beginning, anew"?
(a) in situ
(b) De novo
(c) In vitro
(d) Ex situ
Ans: b
74. Photo respiration is the process occurs in:
(a) Peroxisomes
(b) Mitochondria
(c) Peroxisomes in association with chloroplast and mitochondria
(d) Mitochondria in association with chloroplast
Ans: c
75. Anaerobic respiration in certain microorganism's results:
(a) Production of ethanol/lactic acid and CO₂
(b) Production of ethanol/lactic acid and H₂O
(c) Production of CO₂ and H₂O
(d) Production of ethanol/lactic acid and O₂
Ans: a
76. Hydroponics is the technique of:
(a) Growing plants in sand supplemented with nutrient solution
(b) Growing plants in soil filled in pots
(c) Growing plants in nutrient solution
(d) Growing plants with their roots bathed in the nutrient mist.
Ans: c
77. Frontline and method demonstration are examples of which extension teaching methods?
(a) Individual contact.
(b) Group contact
(c) Mass contact
(d) Mass & individual
Ans: b
78. The Indian Council of Agricultural Research launched this innovative technology assessment and refinement programme in 1995, which was based on the concept of participatory mode, ensuring greater linkage between scientist and farmer in a bottom up approach?
(a) ATMA
(b) KVK
(c) IVLP
(d) NATP
Ans: c
79. Mr. F L Brayne was associated with?
(a) Marthandam
(b) Gurgaon experiment
(c) Etawah pilot project
(d) Firka development scheme
Ans: b
80. Used as visual extension aids, these are the series of cards which when presented before the audience in proper sequence, tell a complete story?
(a) Flip chart
(b) Poster
(c) Flash cards
(d) Slide projector
Ans: c
81. To provide the research workers an opportunity to get first-hand knowledge of the problems being faced by the farmers in adopting high yielding varieties and recommended package of practices, was one of the objectives of?
(a) Lab to Land programme
(b) ORP
(c) IRDP
(d) National Demonstration
Ans: a
82. On-farm testing to assess the location specificity of agricultural technologies under various farming systems is the responsibility of?
(a) ATIC
(b) ATMA
(c) KVK
(d) IRDP
Ans: c
83. Collection of facts, analysis of the situation, identification of problems, determination of objectives, development of the plan of work, execution of the plant of work, evaluation and reconsideration are the steps of?
(a) Extension teaching process
(b) Programme planning process
(c) Extension evaluation process
(d) Grow more food campaign
Ans: b
84. 55 community development projects were launched on different parts of the country in which year?
(a) 1954
(b) 1952
(c) 1964
(d) 1975
Ans: b
85. Which one of the following is not a cooperative principle?
(a) No liability
(b) Limited Area of Operation
(c) Honorary Management
(d) Voluntary Participation
Ans: a
86. Apni Mandi is also called:
(a) Dudh Mandi
(b) Anaj Mandi
(c) Kisan Mandi
(d) Phal Mandi
Ans: c
87. The middle men which act as representatives of their clients are called:
(a) Merchant middle Men
(b) Itinerant Traders
(c) Agent Middle Men
(d) Mashakhores
Ans: c
88. Which one of the following is not a characteristic of Iso-revenue line?
(a) It is a Straight line
(b) Iso-revenue lines are parallel to each other
(c) Slope of iso-revenue line indicates the inverse price ratio of the products.
(d) Slope is not affected by price changes
Ans: c
89. Which one of the following is an undiscounted measure of Project appraisal?
(a) Net Present Worth (NPW)
(b) Benefit - Cost Ratio (B:C Ratio)
(c) Internal Rate of Return (IRR))
(d) Pay back period
Ans: d
90. ________is independent of origin but not of scale?
(a) Correlation coefficient
(b) Arithmetic mean
(c) Regression coefficient
(d) Parameter
Ans: c
91. ________ method of classification is used for continuous variable?
(a) Discrete
(b) Exclusive
(c) Random
(d) Inclusive
Ans: b
92. The best native cattle breed for milk production is:
(a) Kankrej
(b) Tharparkar
(c) Nellore
(d) Sahiwal
Ans: d
93. Individual selection is preferred when heritability of the trait considered is:
(a) Low
(b) Very Low
(c) Medium
(d) High to very High
Ans: d
94. Culling is the process of:
(a) Eliminating surplus and undesirable animals
(b) Allocating identification number to animals
(c) Removal of horns
(d) Separating young one from the mother
Ans: a
95. Purchase of dairy animals should be done based on:
(a) Age of animal
(b) Breed characteristics
(c) After assessing actual milk yield for 2-3 consecutive days
(d) Social status of the owner of animal
Ans: b
96. Main constituent of biogas is:
(a) Methane
(b) Hydrogen
(c) Carbon dioxide
(d) Carbon monoxide
Ans: a
97. Bio-diesel is:
(a) Obtained from fermentation of sugar
(b) Obtained from pyrolysis process
(c) Exudates of plants
(d) An upgraded vegetable oil
Ans: d
98. Which of the most popular type of washing operation for fruit and vegetables?
(a) Water flooding
(b) Spray washing
(c) Drum washer
(d) Barrel washing
Ans: b
99. Drip irrigation system is not suitable for:
(a) Row crops
(b) Fruits
(c) Vegetables
(d) Close growing crops
Ans: d
100. Detachment, transportation and deposition of soil particles from one place to another place is termed as:
(a) Soil degradation
(b) Soil erosion
(c) Soil flow
(d) Soil movement
Ans: b
Note:- Here is the unofficial Answer Key of Rajasthan Pre-PG Entrance Exam August 2021. Please prefer the official Answer Key of Exam from University to evaluate your performance in exam before the announcement of the results.
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