Agriculture Questions and Answers

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Model Questions and Answers on Agriculture

1. At the vegetative growth stage, flowering is stop in food grain crops known as
(a) Determinate growth
(b) Indeterminate growth
(c) Sigmoid growth curve
(d) Grain growth Period

2. Which one of the following is the correct sequence in the decreasing order of production of the given food grain in India?
(a) Wheat-rice-pulses- coarse cereal
(b) Rice-wheat-pulses-coarse cereal
(c) Wheat-rice-coarse cereal-pulses
(d) Rice-wheat-coarse cereal-pulses

3. Which of the following is NOT an example of in-situ conservation strategy?
(a) Biosphere reserve
(b) Botanical garden
(c) National Park
(d) Sacred groves

4. The word ecology was coined by the
(a) Ernest Haeckel
(b) Aristotle
(c) Theophrastus
(d) Hungo De Vries

5. In which layer weather phenomena like clouds, fog, dews, rain etc. occur?
(a) Thermosphere
(b) Troposphere
(c) Mesosphere
(d) Stratosphere

6. The yield of both crops are higher than of their pure crops on unit area basis is known as
(a) Synergetic cropping
(b) companion cropping
(c) Doubling the farmer’s income
(d) Multiple cropping

7. Wind direction towards which it blow is known as
(a) Wind direction
(b) Wind vane
(c) Wind wards
(d) Ice wards

8. Scientific name of pop corn?
(a) zea mays saccharata
(b) Zea mays indurate
(c) Zea mays indentata
(d) Zea mays everta

9. Community Development Programme in 2nd Oct. 1952 has been launched in India due to success of
(a) Etawah Pilot Project
(b) Lab to land Programme
(c) Panchyati Raj
(d) IRDP

10. The portion which is actually brought to the market at a particular time for sale is known as
(a) Marketable Surplus
(b) Marketed surplus
(c) Marketable demand
(d) Marketable supply

11. Which of the following two crops are responsible for almost 75% of pulse production in India?
(a) Gram and Mung bean
(b) Gram and Pigeon pea
(c) Mung bean and pigeon pea
(d) Pea and lentil

12. In which period North-east monsoon causes rainfall in South India?
(a) November – December
(b) February – March
(c) September – October
(d) May – June

13. If farmers practices Sugarcane-cotton-wheat the cropping intensity will be
(a) 100 %
(b) 200 %
(c) 150 %
(d) 300 %

14. Norman Borlaug was given Nobel Prize in which field?
(a) Agriculture
(b) Economics
(c) Medicine
(d) Peace

15. Which of the following pair is NOT correctly matched?
(a) Renneting-Cheese
(b) Genetic Engineering-Plasmids
(c) Golden rice-Vitamin A
(d) Ozone layer-Troposphere

16. Which of the following electromagnetic radiations has the maximum energy?
(a) Visible light
(b) Infrared rays
(c) Ultraviolet rays
(d) X-rays

17. Methane is emitted from which of the following?
(a) Paddy fields only
(b) Termitary only
(c) Both (a) & (b)
(d) None of these

18. Who was the first Vice-Chairman of the NITI Ayog?
(a) Arvind Panagariya
(b) Raghuram Rajan
(c) Chandrashekhara Subramanyam
(d) Rajiv Kumar

19. The deficiency of which one of the following causes Khaira disease?
(a) Zinc
(b) Boron
(c) Copper
(d) Phosphorus

20. Which one of the following type of soils is most suitable for groundnut cultivation?
(a) Sandy and sandy-loam soil
(b) Loam and clay soil
(c) Clayey soil
(d) Silty soil

21. A farm is said to be diversified when
(a) Crop enterprise is mixed with livestock enterprise
(b) Any’ one of the enterprises contributes more than 50% of the total income.
(c) None of the enterprises contributes more than 50% of the total income
(d) Crop enterprise is combined with forestry

22. Zero Budget Natural Farming (ZBNF)
(a) To promote organic farming
(b) Cost of growing and harvesting plants is zero
(c) Without adding any fertilizers and pesticides or any other foreign elements.
(d) All of these

23. What is the correct order of C3 plants?
(a) Sugarcane-Paddy-Bajra-Maize
(b) Groundnut-Potato-Soybean-Wheat
(c) Potato-Paddy-Bajra-Wheat
(d) Paddy –Sugarcane-Soybean-Bajra

24. Ladang, Milap, Roca & Ray are also known as
(a) Intensive Farming
(b) Commercial Farming
(c) Nomadic Farming
(d) Shifting Farming

25. Any feature of an organism or its part which enable it to exist under condition of habitant is known as?
(a) Adaptive Variation
(b) Adjustment
(c) Acclimatization
(d) Adaptation

26. Plant which growing under direct sunlight and those growing under shade called
(a) Heliophytes and sciophytes
(b) sciophytes and Heliophytes
(c) Psamophytes and Heliophytes
(d) Heliophytes and Psamophytes

27. The percentage of Nitrogen, Oxygen and Carbon Dioxide in the atmosphere are
(a) 78 % N2, 20.95% O2 and CO2 0.04%
(b) 78 % N2, 20% O2 and CO2 0.04%
(c) 78 % N2, 20.95% O2 and CO2 0.004%
(d) 78 % N2, 20% O2 and CO2 0.044%

28. Land Equivalent Ratio (LER) is related to
(a) Intercropping
(b) Sequential cropping
(c) Ratooning
(d) None of these

29. The beetle zygogramma bicolorata is used to control the weed
(a) Water Hycianth
(b) Parthenium
(c) Trianthema
(d) Cyprus

30. The practice of allowing the re-growth of the planted crop is known as
(a) Mixed cropping
(b) Ratooning
(c) Sequential cropping
(d) Intercropping

31. Dehulled rice grain is known as
(a) White rice
(b) Brown rice
(c) Red rice
(d) Grey rice

32. Green revolution has been most successful in
(a) Wheat and potato
(b) Wheat and rice
(c) Tea and coffee
(d) Barley and rice

33. The instrument used for measuring depth of water table is known as
(a) Lysimeter
(b) Odometer
(c) Piezometer
(d) Evaporimeter

34. Growing of coconut, black pepper and ginger simultaneously in the same field is called
(a) Relay cropping
(b) Inter cropping
(c) Mixed cropping
(d) Multistoried cropping

35. Which one of the following is a competitive market?
(a) Perfect market
(b) Capital market
(c) Primary market
(d) Wholesale market

36. Planting of succeeding crop before harvesting the proceeding crop is known as
(a) Ratoon cropping
(b) Sequence cropping
(c) Mono cropping
(d) Relay cropping

37. The primary role of MANAGE is to
(a) Develop management skills
(b) Promote entrepreneurship
(c) Generate employment
(d) Promote spiritual talent

38. The value of seeds and plants, manures and fertilizers, insecticides, fungicides and irrigation charges are known as
(a) Variable cost
(b) Input cost
(c) Fixed cost
(d) Machinery cost

39. Growing of two or more crops simultaneously on the same piece of land with definite row pattern is called
(a) Inter cropping
(b) Multiple cropping
(c) Mixed cropping
(d) Sequence cropping

40. Unit of solar radiant energy is
(a) Langley
(b) Isotach
(c) Lysi
(d) Isobel

41. A good quality irrigation water should have an EC of
(a) < 4.5 ds/m
(b) < 0.5 ds/
(c) < 1.5 ds/m
(d) 3 to 5 ds/m

42. Which one of the following herbicide is non-selective in action?
(a) Atrazine
(b) Alachlor
(c) Butacheor
(d) Paraquat

43. The hulling percentage in rice is
(a) 60%
(b) 50%
(c) 70%
(d) 80%

44. Phalaris minor is a major weed in
(a) Rice
(b) Wheat
(c) Maize
(d) Sorghum

45. Pulses are rich source of
(a) Proteins and vitamins
(b) Lysine and Tryptophan
(c) Vitamins and Tryptophan
(d) Proteins and Lysine

46. It is a well accepted conservation measure in controlling run-off and soil erosion and thereby maintaining fertility of soil
(a) Strip cropping
(b) Inter cropping
(c) Contour farming
(d) Mixed cropping

47. Which of the following is a multipurpose tree species?
(a) Albizia amara
(b) Azadirachta indica
(c) Albizia lebbeck
(d) All of these

48. An electrical conductivity of less than one millimhos per cm indicates that the soil condition for plant growth is
(a) Above normal
(b) Injurious
(c) Critical
(d) Normal

49. Causes of soil salinity
(i) The soluble salts are leached from high-lying to low-lying areas due to high rainfall.
(ii) Irrigation of soils with saline water.
(a) (i) is correct
(b) (ii) is correct
(c) Both are correct
(d) Both are not correct

50. Acid soils are characterized by a pH of
(a) > 8
(b) < 6
(c) 8 to 10
(d) 7 to 8Agriculture Quiz51. Weakly joining of soil particle is referred to as
(a) Granular structure
(b) Platy structure
(c) Crumb structure
(d) None of these

52. Alley cropping is known as
(a) Cultivation of legume crops
(b) Food-cum-fruit system
(c) Silvi-pastural system
(d) Hedgerow inter cropping

53. The ratio of oil to seed in sunflower is
(a) 40%
(b) 28%
(c) 60%
(d) 20%

54. Green manure crops in 50-60 days can able to accumulate
(a) 80 kg N/ha
(b) 90 kg N/ha
(c) 100 kg N/ha
(d) 60 kg N/ha

55. Which of the following institutes in India works for dryland agriculture?
(i) CRIDA
(ii) ICRISAT
(iii) APEDA
(iv) DANIDA
(a) i and ii
(b) ii and iii
(c) iii and iv
(d) i and iv

56. High protein content is found in and is also known as vegetables meat?
(a) Rajmah
(b) Gram
(c) Soybean
(d) Mung bean

57. Golden rice rich in
(a) Vit-A
(b) Vit-B
(c) Vit-C
(d) Vit-D

58. Maximum edible oil in India is contributed by?
(a) Sunflower
(b) Mustard
(c) Custard
(d) Ground nut

59. Which type of fertilizers India is fully depended on import?
(a) Urea
(b) SSP
(c) Potash
(d) Boron

60. Which of the following weeds have been introduced in India from other countries along with plant materials?
(a) Argemone Mexicana
(b) Eicchornea crassipes
(c) Parthenium
(d) All of these

61. Which of the following are pre-emergence herbicides?
(a) Diquat
(b) Pendimethalin
(c) Dalapon
(d) All of these

62. The field water efficiency of trickle irrigation?
(a) 50-55%
(b) 50-85%
(c) 80-90%
(d) 60-70%

63. Sub irrigation is used in areas with?
(a) Low water table
(b) High water table
(c) Sloppy terrain
(d) Flat terrain

64. When variable cost is zero, the total cost will be?
(a) Equal to variable cost
(b) Equal to fixed cost
(c) Equal to average variable cost
(d) None of these

65. Per quintal calculated cost is known as?
(a) Cost of cultivation
(b) Cost of production
(c) Cost of farming
(d) Cost of per hectare

66. When total product is highest, marginal product will be?
(a) Minimum
(b) Increasing
(c) Maximum
(d) Zero

67. When total cost is divided by total unit of the production, we get?
(a) Marginal cost
(b) Average cost
(c) Fixed cost
(d) Variable cost

68. The Seeds Act was enacted by the parliament in the year
(a) 1965
(b) 1967
(c) 1966
(d) 1968

69. The isolation distance for certified seed production in cole crops is
(a) 1500 m
(b) 1500 cm
(c) 500 m
(d) 500 cm

70. Seed health tests may be done through
(a) Visual examination
(b) Soaking
(c) Washing test
(d) All of these

71. Seed sample taken from laboratory sample for testing is known as
(a) Primary sample
(b) Submitted sample
(c) Composite sample
(d) Working sample

72. Truthful seed having characters of
(a) Truthful labelling is compulsory for notified kind of varieties
(b) Tested for physical purity and germination
(c) Seed inspectors alone can take samples for checking the seed quality
(d) All of these

73. A golden yellow colour certificate is issued for
(a) Breeder Seed
(b) Nucleus Seed
(c) Foundation Seed
(d) Certified Seed

74. Mutation is due to change in gene because of
(a) Loss
(b) Addition
(c) Degeneration
(d) All of these

75. The headquarters of the union for the protection of new plant varieties (UPOV) is located at?
(a) Bangkok
(b) Geneva
(c) Moscow
(d) Washington

76. Variation arising during tissue culture of plants is known as
(a) Mutation
(b) Selection
(c) Somaclonal variation
(d) All of these

77. Cloning means
(a) Making an identical copy physically as well as genetically
(b) Exact replica of plants or animals replicated asexually
(c) Deriving genetic matter from single parents
(d) All of these

78. Most commonly used test for estimating GCA in crop species is
(a) Progeny test
(b) Top cross test
(c) Single cross test
(d) Poly cross test

79. Disease and pest resistance is governed by
(a) Oligogenes
(b) Polygenes
(c) Monogene
(d) All of these

80. Breeding methods for self-pollinated crops are
(i) Mass selection
(ii) Pure line selection
(iii) Pedigree methods
(iv) Back cross methods
(a) (i), (ii) and (iii)
(b) (i), (ii) and (iv)
(c) (i), (iii) and (iv)
(d) All of these

81. Consider the statements
(i) Colchicine is most widely used for chromosome doubling
(ii) It is a poisonous chemical isolated from seeds and bulbs of crocus
(iii) Pure colchicine is C22 H 250 6N
(iv) It blocks spindle formation
(a) All are correct
(b) Four alone is correct
(c) Two alone is correct
(d) One and three are correct

82. In plant breed homozygous individuals are represented as
(a) RR or rr
(b) HP or hp
(c) HH or hh
(d) FF or ff

83. Cross of F1 with either of its parents is
(a) Test cross
(b) Back cross
(c) Direct cross
(d) Polyhybrid cross

84. Tristeza disease is commonly found in
(a) Guava
(b) Citrus
(c) Grapes
(d) Banana

85. Which one of the following is a predominant nursery disease in vegetable crops?
(a) Anthracnose
(b) Damping off
(c) Blight
(d) Rust

86. Little leaf disease in brinjal is caused by a
(a) Virus
(b) Phytoplasma
(c) Fungus
(d) Bacterium

87. Whiptail” is a malady associated with the nutrient.
(a) Molybdenum
(b) Manganese
(c) Zinc
(d) Boron

88. India is the largest producer, consumer and exporter of
(a) Wheat
(b) Rice
(c) Sugarcane
(d) Spices

89. Scientific Name of Bird eye Chilli is
(a) Capsicum annum
(b) Capsicum baccatum
(c) Capsicum frutescens
(d) Capsicum chinense

90. Which of the following cucurbits is a viviparous crop?
(a) Iskut
(b) Pointed Gourd
(c) Ivy gourd
(d) Sweet gourd

91. The bitterness in cucurbit due to
(a) Cucurbita
(b) Tetracyclic triterpenes
(c) Calcium oxalate
(d) Alkaloids

92. For cultivation of dioecious cucurbits male and female plant should be maintain in ratio of
(a) 10:1
(b) 25:1
(c) 20:2
(d) 10:2

93. High temperature and longer light period induces __________ in cucumber
(a) Maleness
(b) Femaleness
(c) Fruit growth
(d) Fruit ripening

94. Little leaf disease of Brinjal is transmitted by an insect vector
(a) Leaf hopper
(b) Butterfly
(c) Aphid
(d) None of the above

95. Fruit setting in brinjal usually in the flower having
(a) Medium style
(b) Short Style
(c) Long and medium style
(d) Short & medium Style

96. powdery mildew is serious problem which of the following crops
(a) Capsicum
(b) Cucurbits
(c) Pea
(d) Okra

97. The oldest method of plant breeding is-
(a) Introduction
(b) Selection
(c) Hybridization
(d) None of these

98. Method of selection in plants showing vegetative propagation is:-
(a) Pedigree selection
(b) Pure line selection
(c) Clonal selection
(d) Mass selection

99. The best way to obtain bacteria and virus free plants through tissue culture is-
(a) Micro propagation
(b) Seed germination after gamma irradiation
(c) Shoot tip culture
(d) All of these

100. The process involving inspection, fumigation and growing the introduced plant material in isolation is known as
(a) Acclimatization
(b) Quarantine
(c) Adaptation
(d) All of theseAgriculture MCQs101. Pure line selection is also called-
(a) Inbred selection
(b) Progeny selection
(c) Single line selection
(d) All of these

102. Cryopreservation is the storage of material at ultra-low temperature-by
(a) Very Rapid Cooling
(b) -196 °C in liquid nitrogen (N2)
(c) Gradual Cooling & Simultaneous Dehydration at Low Temperature
(d) All of these

103. Variation arises by-
(a) Gene Mutation
(b) Recombination
(c) Chromosomal Mutation
(d) All of these

104. Gene silencing is caused by?
(a) DNA methylation
(b) Co- Suppression
(c) Antisense RNA
(d) All of these

105. Double-helical structure of DNA was given by whom?
(a) Jacob and Monod
(b) Watson and Crick
(c) H.G. Khorana
(d) None of these

106. Which one of the following fruit crops is highly susceptible to salinity?
(a) Date palm (Phoenix dactylifera)
(b) Ber (Zizyphus jujuba)
(c) Pomegranate (Punica granatum)
(d) Almond (Amygdalus communis)

107. In which one of the following insect has the outbreak of maize crops been noticed recently?
(a) Stem fly Warm
(b) Stem borer of maize
(c) Fall Army Warm
(d) Maize Worm

108. The development of seed without sexual fusion of male and female gametes is known as
(a) Vegetative reproduction
(b) Apomixis
(c) Self-incompatibility
(d) Apospory

109. Synthetic variety is developed by
(a) Crossing inbred lines tested for SCA
(b) Mixing seeds of inbred lines
(c) Crossing inbred lines tested for GCA
(d) Mixing seeds of open-pollinated cultivars

110. The amount of carbendazim 50% wettable powder required to prepare 1000 ppm solution is
(a) 1g in 1 litre of water
(b) 0.1g in 1 litre of water
(c) 0.2g in 1 litre of water
(d) 2g in 1 litre of water

111. Phyllody in sesame is caused by
(a) Bacteria
(b) Mycoplasma
(c) Insects
(d) Virus

112. Pheromone trap attracts?
(a) Male bug
(b) Female moth
(c) Male moth
(d) Female bug

113. Azolla is used as biofertilizer as it has
(a) Rhizobium
(b) Cynobacteria
(c) Mychorrhiza
(d) Large quantity of humus

114. Which is major component of Bordeaux mixture?
(a) Copper Sulphate
(b) Sodium Chloride
(c) Borax
(d) Calcium Chloride

115. National Center of Organic Farming is in
(a) Nagpur
(b) Kochi
(c) Hyderabad
(d) Ghaziabad

116. What is transition period?
(a) 3-year transition period from conventional to organic management
(b) 4-year transition period from conventional to organic management
(c) 2-year transition period from conventional to organic management
(d) 1-year transition period from conventional to organic management

117. NPOP stands for
(a) National Programme for Organic Production
(b) National Programme for Organic Policy
(c) National Programme for onion and garlic Production
(d) National Planning for Organic Production

118. Ha-NPV is used for the control of
(a) Helicoverpa armigera
(b) Neochetina bruchi
(c) Vicia sativa
(d) None of these

119. Which among these can be used as seed treatment against soil borne fungal disease in organic farming?
(a) Trichogramma
(b) Stomp
(c) Carbendazim
(d) Trichoderma

120. Which type of earthworm is used for vermicomposting?
(a) Vermicilli
(b) Epigeic
(c) Endogeic
(d) None of these

121. Which authority is the first who promoted organic agriculture in India?
(a) APEDA
(b) CSIR
(c) ICAR
(d) UGC

122. Which among the following is the effective insect parasite against gram caterpillar or sorghum stem borer?
(a) NPV
(b) Trichogramma
(c) BT
(d) None of these

123. Dealing with the LD50 rating, a herbicide with a label warning of “danger poison” would have what type of toxicity rating?
(a) High
(b) Moderate
(c) Low
(d) Slight

124. Which of these is NOT considered an insect growth regulator?
(a) Synthetic pyrethroid
(b) Juvenile hormone analogue
(c) Chitin inhibitor
(d) Ecdysteroid

125. Insects in the orders ___________ are the most important vectors of plant diseases.
(a) Hemiptera and Thysanoptera
(b) Hemiptera and Diptera
(c) Hemiptera and Lepidoptera
(d) Hemiptera and Coleoptera

126. Which of these is NOT considered an insect growth regulator?
(a) Synthetic pyrethroid
(b) Juvenile hormone analogue
(c) Chitin inhibitor
(d) Ecdysteroid

127. Which of country is the largest producer of fruit and vegetables?
(a) Brazil and China
(b) China and China
(c) China and India
(d) China and America

128. Agricultural and processed products development Authority (APEDA) was established in
(a) 1980
(b) 1986
(c) 1985
(d) 1990

129. High Density planting in pineapple accommodates plants about
(a) 10000
(b) 45000
(c) 30000
(d) 43500

130. Pusa Giant Papaya variety is a
(a) Dioecious
(b) Gynoceious
(c) Gynodioecious
(d) Monoceious

131. Most commonly used method for transformation of plants is
(a) Protoplast Methods
(b) Agrobacterium mediated transformation
(c) Micro injection
(d) None of these

132. Two bacteria most useful in genetic engineering are
(a) Rhizobium and Azotobactor
(b) Agrobacterium and Escherichia
(c) Nitrosomonas and Agrobacterium
(d) Rhizobium and Diplococus

133. Application of embryo culture is in
(a) Clonal production
(b) Production of alkaloid
(c) Production of somaclonal variation
(d) Overcoming hybridization barriers

134. Scientific name of white jute
(a) Corchorus capsularis
(b) Corchorus oiltorius
(c) Gossypium barbadense
(d) None of these

135. Duration of Boro Rice?
(a) January – July
(b) January – February to April-May
(c) July – September
(d) July – December

136. Shelling percentage in pea?
(a) 49%
(b) 60%
(c) 80%
(d) 35%

137. Which crops is known as wonder crops and meat for the poor people?
(a) Sunflower
(b) Soybean
(c) Pea
(d) Arahar

138. Ginning percentage in cotton is?
(a) 24-43 %
(b) 50-60 %
(c) 70 %
(d) 10 %