100 MCQ on Agriculture with answers
1. Agriculture is a
a) Greek word
b)
Latin
word
c)
German
word
d)
Spanish
Ans. B
2. The term agronomy is derived from ________
a) German word
b)
Latin
word
c)
Spanish
d)
Greek
word
Ans. D
3. Primary resource for agriculture
a) Land, air and water
b)
Seed,
Fertilizer and Pesticide
c)
Seed,
air and water
d)
Land,
Fertilizer and water
Ans. A
4. Cultivation of rice begins in _______
a) 2200 BC
b)
5700
BC
c)
7700
BC
d)
8700
BC
Ans. A
5. The book ‘Horse hoeing husbandry’ was published by _______
a) Van Helmont
b)
Gregor
Johann Mendel
c)
Jethro
tull
d)
None
Ans. C
6. The ‘Annals of Agriculture’ was published by _________
a) Jethro Tull
b)
Aurther
Young
c)
Van
Helmont
d)
None
Ans. B
7. The book ‘Element of Agricultural Chemistry’ was published by ________
a) Justus Von Liebig
b)
Sir
Humphry Davy
c)
Van
Helmont
d)
J.B.
Lawes
Ans. B
8. Experiments on effect of manures on crop were initiated by ________
a) Sir John Bannet Lawes
b)
G.
J. Mendel
c)
Van
Helmont
d)
Justus
Von Liebig
Ans. A
9. ________ (1674-1741 AD) conducted several experiments on plant nutrient and published a book, “Horse Hoeing Husbandry”
a) Sir Humphry Davy
b)
Aristotal
c)
Jethro
Tull
d)
Van
Helmount
Ans. C
10. Kharif, Rabi and Zaid word belong to _______
a) Urdu
b)
French
c)
Persian
d)
Arabic
Ans. D
11. Climate pertains to a __________
a) Long period of time
b)
Short
duration
c)
Medium
duration
d)
None
Ans. A
12. Principles of mercury barometers was discovered by __________
a) Torricelli
b)
Aristotle
c)
Pliny
d)
Galileo
Ans. A
13. Instrument used for measuring wind velocity is known as __________
a) Hydrometer
b)
Pyranometer
c)
Altimeter
d)
Anemometer
Ans. D
14. The term PET was coined by __________
a) Sarkar and Biswas
b)
Haigreaves
c)
Thornthwaite
d)
Mendel
Ans. C
15. A rainy day called when rainfall received in 24 hrs
a) >2.5 mm
b)
>3.0
mm
c)
>5.0
mm
d)
>1.0
mm
Ans. A
16. Directorate of Onion and Garlic Research (DOGR) is situated at ________
a) Shimla
b)
Nasik
c)
New
Delhi
d)
Lucknow
Ans. B
17. Central Arid Zone Research Institute (CAZRI) is located at ________
a) Jodhpur
b)
Nagpur
c)
Bikaner
d)
Pune
Ans. A
18. National Horticulture Mission (NHM) was started in ________
a) 2000-01
b)
2003-04
c)
2001-02
d)
2005-06
Ans. D
19. National Research Centre for Litchi (NRCL) is located at _________
a) Pune
b)
Muzaffarpur
c)
Lucknow
d)
Kolkata
Ans. B
20. Central Drug Research Institute is situated at _________
a) Lucknow
b)
Mumbai
c)
New
Delhi
d)
Hyderabad
Ans. A
a) Greek word
2. The term agronomy is derived from ________
a) German word
3. Primary resource for agriculture
a) Land, air and water
4. Cultivation of rice begins in _______
a) 2200 BC
5. The book ‘Horse hoeing husbandry’ was published by _______
a) Van Helmont
6. The ‘Annals of Agriculture’ was published by _________
a) Jethro Tull
7. The book ‘Element of Agricultural Chemistry’ was published by ________
a) Justus Von Liebig
8. Experiments on effect of manures on crop were initiated by ________
a) Sir John Bannet Lawes
9. ________ (1674-1741 AD) conducted several experiments on plant nutrient and published a book, “Horse Hoeing Husbandry”
a) Sir Humphry Davy
10. Kharif, Rabi and Zaid word belong to _______
a) Urdu
11. Climate pertains to a __________
a) Long period of time
12. Principles of mercury barometers was discovered by __________
a) Torricelli
13. Instrument used for measuring wind velocity is known as __________
a) Hydrometer
14. The term PET was coined by __________
a) Sarkar and Biswas
Ans. C
15. A rainy day called when rainfall received in 24 hrs
a) >2.5 mm
16. Directorate of Onion and Garlic Research (DOGR) is situated at ________
a) Shimla
17. Central Arid Zone Research Institute (CAZRI) is located at ________
a) Jodhpur
18. National Horticulture Mission (NHM) was started in ________
a) 2000-01
19. National Research Centre for Litchi (NRCL) is located at _________
a) Pune
20. Central Drug Research Institute is situated at _________
a) Lucknow
21. National Biodiversity Authority is located at _________
a) Chennai
b)
New
Delhi
c)
Nagpur
d)
Gurgaon
Ans. A
22. Central Institute of Post-Harvest Engineering and Technology (CIPHET) is located at ________
a) Haryana
b)
Pune
c)
Ludhiana
d)
Gurgaon
Ans. C
23. International Potato Research Centre at _________
a) Shimla
b)
Peru
c)
Rome
d)
USA
Ans. B
24. Father of Horticulture
a) Thomas Andrew Knight
b)
Liberty
Hyde Bailey
c)
John
Lindley
d)
All
of the above
Ans. D
25. Word “Horticulture” is derived from _________
a) Latin
b)
English
c)
Greek
d)
Italic
Ans. A
26. All India Coordinated Vegetable Improvement Project (AICVIP) was started in _____
a) 1991-92
b)
1981-82
c)
1970-71
d)
1960-61
Ans. C
27. First commercial vegetable seed production unit in India was established in 1942 at _____
a) Quetta
b)
Kullu
c)
Nilgiri
d)
Pusa
Ans. A
28. Under the All India Coordinated Vegetable Improvement Project (AICVIP), India is divided into agro-climatic zones
a) 8
b)
12
c)
18
d)
24
Ans. A
29. New seed police was launched in ________
a) 1982
b)
1992
c)
1988
d)
1986
Ans. C
30. Pomology is derived from _____
a) Latin
b)
French
c)
English
d)
Greek
Ans. D
31. Who coined the term genetics?
a) Hugo de vries
b)
W.L.
Johannsen
c)
T.H.
Morgan
d)
W.
Bateson
Ans. D
32. The germplasm theory was proposed by _____
a) Weisman
b)
Mendel
c)
Darwin
d)
Hugo
de vries
Ans. A
33. The alternative forms of a gene are known as _____
a) Transgene
b)
Pseudogene
c)
Mixed
gene
d)
Alleles
Ans. D
34. Which of the following is the controlling centre of a cell
a) Chloroplast
b)
Nucleus
c)
Nucleolus
d)
Mitochondria
Ans. B
35. Which of the following produces pseudo-dominance
a) Inversion
b)
Deletion
c)
Duplication
d)
Translocation
Ans. B
36. Which of the following bases is not present in DNA
a) Adenine
b)
Thymine
c)
Uracil
d)
Cytosine
Ans. C
37. Balbiani rings are found in which of the following
a) Lampbrush chromosomes
b)
Sex
chromosomes
c)
Polytene
chromosomes
d)
B
chromosomes
Ans. C
38. In which of the following sub stages of meiosis-I, chromatin exchange between non- sister chromatids is completed
a) Pachytene
b)
Diplotene
c)
Zygotene
d)
Diakinesis
Ans. A
39. The theory of origin of species through natural selection was proposed by _____
a) Darwin
b)
Lamarck
c)
Mendel
d)
Vilmorin
Ans. A
40. In 1909 multiple factor hypothesis was given by _____
a) Levene
b)
Brown
c)
Nilson
Ehle
d)
Waldeyer
Ans. C
a) Chennai
22. Central Institute of Post-Harvest Engineering and Technology (CIPHET) is located at ________
a) Haryana
23. International Potato Research Centre at _________
a) Shimla
24. Father of Horticulture
a) Thomas Andrew Knight
25. Word “Horticulture” is derived from _________
a) Latin
26. All India Coordinated Vegetable Improvement Project (AICVIP) was started in _____
a) 1991-92
27. First commercial vegetable seed production unit in India was established in 1942 at _____
a) Quetta
28. Under the All India Coordinated Vegetable Improvement Project (AICVIP), India is divided into agro-climatic zones
a) 8
29. New seed police was launched in ________
a) 1982
30. Pomology is derived from _____
a) Latin
31. Who coined the term genetics?
a) Hugo de vries
32. The germplasm theory was proposed by _____
a) Weisman
33. The alternative forms of a gene are known as _____
a) Transgene
34. Which of the following is the controlling centre of a cell
a) Chloroplast
35. Which of the following produces pseudo-dominance
a) Inversion
36. Which of the following bases is not present in DNA
a) Adenine
37. Balbiani rings are found in which of the following
a) Lampbrush chromosomes
38. In which of the following sub stages of meiosis-I, chromatin exchange between non- sister chromatids is completed
a) Pachytene
39. The theory of origin of species through natural selection was proposed by _____
a) Darwin
40. In 1909 multiple factor hypothesis was given by _____
a) Levene
Ans. C
41. Mendel’s laws were rediscovered in which of the following
years
a) 1890
b)
1905
c)
1900
d)
1898
Ans. C
42. The term ‘genotype’ and ‘phenotype’ were introduced by
_____
a) W.L. Johannsen
b)
W.Bateson
c)
G.J.
Mendel
d)
R.C.
Punnet
Ans. A
43. Gene which affect the expression of more than one
character are known as which of the following
a) Multiple gene
b)
Pleiotropic
gene
c)
Epistatic
gene
d)
Hypostatic
gene
Ans. B
44. Effect of one gene on the phenotypic expression of other
non-allelic gene is termed as which of the following
a) Dominance
b)
Pleiotropy
c)
Epistatic
d)
Over-dominance
Ans. C
45. In case of supplementary gene action, F2 generation shows
which of the following phenotypic ratio
a) 9:3:4
b)
9:7
c)
12:3:1
d)
9:6:1
Ans. A
46. In 5 master horizon which horizon is called
elluvial/washout horizon
a) A
b)
B
c)
E
d)
All
of the above
Ans. C
47. The active soil forming factor
a) Climate
b)
Relief
c)
Organism
d)
Both
A and C
Ans. D
48. The parent material transported by gravity is called
_______
a) Lacustrine
b)
Colluvium
c)
Alluvium
d)
None
of the above
Ans. B
49. Transformation of raw organic matter into humus is called
________
a) Humification
b)
Brounification
c)
Rubrification
d)
All
of the above
Ans. A
50. Removal of silica from soil and accumulation of
sesquioxide is known as _____
a) Podzolization
b)
Laterization
c)
Gleization
d)
Both
A and B
Ans. B
51. In India homestead garden mainly practiced
a) South
b)
West
c)
East
d)
North
Ans. A
52. Leucaena leucocephala fixex nitrogen in the range of
kg/ha/year
a) 100-200
b)
100-300
c)
100-400
d)
100-500
Ans. D
53. In which part of India the first taungya plantation
started
a) North Bengal
b)
South
Bengal
c)
East
Bengal
d)
All
of these
Ans. A
54. Which direction hedge row intercropping is raised?
a) South-East
b)
North-West
c)
East-West
d)
West-East
Ans. C
55. Freshly cut wood contain ______ per cent moisture
a) 12-15
b)
15-17
c)
20-22
d)
23-25
Ans. D
56. Taungya system is followed in area having rainfall of
______
a) 1200-1500 mm
b)
1500-2000
mm
c)
2000-2500
mm
d)
2500-3000
mm
Ans. A
57. In India average size of home garden is ______
a) 1-2 ha
b)
2-3
ha
c)
2-4
ha
d)
2-5
ha
Ans. D
58. Root of trees contain (%) total living biomass is _______
a) 10-15
b)
15-20
c)
20-25
d)
20-30
Ans. C
59. Van-Mahotasav was started in the year
a) 1947
b)
1950
c)
1955
d)
1960
Ans. B
60. In India, plantation forestry was started in ________
a) 1840
b)
1842
c)
1848
d)
184
Ans. B
a) 1890
a) W.L. Johannsen
a) Multiple gene
a) Dominance
a) 9:3:4
a) A
a) Climate
a) Lacustrine
a) Humification
a) Podzolization
a) South
a) 100-200
a) North Bengal
a) South-East
a) 12-15
a) 1200-1500 mm
a) 1-2 ha
a) 10-15
a) 1947
a) 1840
61. Nitrogen fixing ability of Casurina is due to _____
a) Rhizobium
b)
Azotobactor
c)
Frankia
d)
All
of these
Ans. C
62. Social forestry was first recommended by ________
a) National Commission on Agriculture
b)
Food
and Agriculture Organization
c)
Govt.
of India
d)
United
Nation
Ans. A
63. “Tree means water, water is bread and bread is life” was
first time quoted by ______
a) Westoby
b)
Stenley
c)
William
d)
Shelford
Ans. A
64. The world Agroforestry Centre is located at _________
a) Jhansi
b)
Nairobi
c)
Dehradun
d)
Jodhpur
Ans. B
65. The D & D procedure applied in the village is known
as:
a) Meso level
b)
Macro
level
c)
Micro
level
d)
All
of these
Ans. A
66. Pomato is somatic
a) Poppy and Potato
b)
Poppy
and Tamarind
c)
Potato
and Tomato
d)
Poppy
and Tomato
Ans. C
67. Preserving germplasm in frozen state is ______
a) Cryopreservation
b)
In
situ preservation
c)
Cold
storage
d)
Vernalisation
Ans. A
68. ‘Hairy roots’ induced in vitro by the infection of
Agrobacterium rhizogenes, are characterized by ______
a) High degree of lateral branching
b)
Genetic
instability of culture
c)
Presence
of geotropism
d)
Poor
biomass production
Ans. A
69. In callus culture, roots can be induced by the supply of
_________
a) Auxin and no cytokinin
b)
High
auxin and low cytokinin
c)
High
cytokinin and low auxin
d)
Auxin
and cytokinin equal proportion
Ans. B
70. Transgenic microorganisms have been used to improve or
benefit all but which of the following _________
a) Meat yield
b)
Crop
improvement
c)
Pest
reduction
d)
Bioremediation
Ans. A
71. Plant medium used widely in preparation of culture medium
is got from _________
a) Cycas revolute
b)
Cocos
nucifera
c)
Pirns
roxburghii
d)
Borassus
flabellifera
Ans. B
72. Flavr savr variety of Tomato remains fresh for long
because it _________
a) Has little polygalacturonase
b)
Abundant
polygalacturonase
c)
Has
gene for antibiotic resistance
d)
Lacks
amylase
Ans. A
73. A major use of embryo culture is in _________
a) Clonal propagation
b)
Overcoming
hybridization barrier
c)
Production
of alkaloids
d)
Introduction
of somaclonal variation
Ans. B
74. Tiny fat bubbles used to deliver genes are _________
a) Electropores
b)
Cholesterols
c)
Phospholipids
d)
Liposomes
Ans. D
75. A true transgenic organism must carry the transgene in
_______
a) Every cell
b)
Somatic
cells only
c)
Gametes
only
d)
The
cell that originally gets it
Ans. A
76. Transgenic pharming involves using ______ to produce
recombinant proteins in ______
a) Cows, milk
b)
Bacteria,
culture media
c)
Phage,
bacteria
d)
Fungi,
culture media
Ans. A
77. Bt toxin producing plants are resistant to ________
a) Brown plant hopper
b)
Round
worm
c)
Gall
midge
d)
Pink
Boll worm
Ans. D
78. Which of the following is not a cloning vector
a) Helicase
b)
SV40
c)
PBR322
d)
E.coli
genomic DNA
Ans. A
79. The phenomenon of the reversion of mature cells to the
meristematic state leading to the formation of callus is known as ______
a) Redifferentiation
b)
Either
A or B
c)
Dedifferentiation
d)
None
of the above
Ans. C
80. The first field tests were conducted with which of the
following genetically altered organism
a) Bt Corn
b)
The
flavr savr tomato
c)
Vaccinia
virus containing a gene from the rabies virus
d)
Strawberry
seedlings sprayed with ice-minus bacteria
Ans. D
a) Rhizobium
a) National Commission on Agriculture
a) Westoby
a) Jhansi
a) Meso level
a) Poppy and Potato
a) Cryopreservation
a) High degree of lateral branching
a) Auxin and no cytokinin
a) Meat yield
a) Cycas revolute
a) Has little polygalacturonase
a) Clonal propagation
a) Electropores
a) Every cell
a) Cows, milk
a) Brown plant hopper
a) Helicase
a) Redifferentiation
a) Bt Corn
81. Father of Microbiology
a) A.V. Leeuwenhoek
b)
Robert
Hooke
c)
Robert
Koch
d)
Ivanovsky
Ans. A
82. Father of Bacteriology
a) A.V. Leewenhoek
b)
Robert
Hooke
c)
Robert
Koch
d)
Ivanovsky
Ans. C
83. The natural resistance in plant attributed by ______
a) Polyphenols
b)
Thick
cell wall
c)
Good
nutrition
d)
High
protein content
Ans. B
84. Unicellular prokaryotic microorganism with ray like
filaments
a) Bacteria
b)
Fungi
c)
Actinomycetes
d)
All
of the above
Ans. C
85. Cell wall of gram positive bacteria is made up of ______
a) Amino acid
b)
Lipid
c)
Pepditogycan
d)
Protein
Ans. C
86. Nitrification process is discovered by _____
a) Schloesing and Muntz (1877)
b)
Ruinen
and Hiltner
c)
Winogradsky
and Beijernick
d)
Beijernickia
and Winogradsky
Ans. A
87. Bacteria responsible for Nitrification is isolated by
_______
a) Winogradsky
b)
Beijernickia
c)
Ruinen
d)
Hiltner
Ans. A
88. The first member of the genus Azotobacter is discovered
by ______
a) M.W. Beijerinck
b)
Winogradsky
c)
Ruinen
d)
Hiltner
Ans. A
89. The word Rhizosphere and Phyllosphere is respectively
given by ______
a) Hiltner and Ruinen
b)
Ruincn
and Hiltner
c)
Winogradsky
and Beijernickia
d)
None
of the above
Ans. B
90. Which of following is not found in prokaryotic cell
a) Ribosomes
b)
Cell
wall
c)
Photosynthetic
membrane
d)
Nucleus
Ans. D
91. Flagellar arrangement when it was cluster of polar
flagella
a) Monotrichous
b)
Lophotrichous
c)
Peritrichous
d)
Amphitrichous
Ans. B
92. Robert Koch worked on ______
a) Diabetes
b)
Cholera
c)
Malaria
d)
Tuberculosis
Ans. D
193. Cold loving microbe is known as _____
a) Mesophile
b)
Psychrophile
c)
Thermophile
d)
Hyperthermophile
Ans. B
94. Prokaryotic microorganism includes ______
a) Fungi
b)
Actinomycetes
c)
Bacteria
d)
Virus
Ans. C
95. First electron microscope was made by ______
a) Knoll and Ruska
b)
Ernest
Abbe
c)
Robert
Koch
d)
Antonie
Van Leeuwenhoek
Ans. A
96. Maximum power developed by an average man is about
a) 1 hp
b)
0.1
hp
c)
0.2
hp
d)
0.5
hp
Ans. B
97. Thermal efficiency of petrol engine varies from
a) 32 to 38%
b)
25
to 32%
c)
50
to 60%
d)
None
of these
Ans. B
98. The drought animal can exert an average force approximately
a) 1/10th of their body weight
b)
1/5th
of their body weight
c)
1/15th
of their body weight
d)
1/7th
of their body weight
Ans. A
99. Methane percentage of biogas varies from _________
a) 5 to 10%
b)
10
to 25%
c)
30
to 40%
d)
45
to 70%
Ans. D
100. The ratio of cow dung and water for making slurry to
feed the bio-gas plant is _______
a) 1:2
b)
4:5
c)
3:2
d)
1:5
Ans. B
a) A.V. Leeuwenhoek
a) A.V. Leewenhoek
a) Polyphenols
a) Bacteria
a) Amino acid
a) Schloesing and Muntz (1877)
a) Winogradsky
a) M.W. Beijerinck
a) Hiltner and Ruinen
a) Ribosomes
a) Monotrichous
a) Diabetes
a) Mesophile
a) Fungi
a) Knoll and Ruska
a) 1 hp
a) 32 to 38%
a) 1/10th of their body weight
a) 5 to 10%
a) 1:2
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