Vegetable Science Multiple Choice Questions and Answers | Olericulture | Agriculture Competitive Exams

Vegetable Science
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1. Anthranose resistant variety of French bean is:

a. Contender

b. Kentucky Woder

c. Tweed Wounder

d. None of these

Ans. c

2. The best suitable storage condition for fresh unshelled peas is:

a. 5 degree C and 85% RH.

b. 0 degree C and 90-95% RH.

c. 15 degree C and 60-70% RH.

d. None of the above

Ans. b

3. Fruits of vegetables marrow are ready for first picking after:

a. 40-50 days

b. 60-80 days

c. 70-80 days

d. None of these

Ans. b

4. Fungicide for controlling powdery mildew diseases of pea is:

a. capatan

b. indofil M-45

c. Karathane

d. none of these

Ans. b

5. Garden beet belongs to the genus of:

a. Brassica

b. Beta

c. Raphanus

d. None of these

Ans. b

6. Pumpkin as well as squashes do best at a soil pH of:

a. 4.0-5.5

b. 6.0-6.5

c. 7.5-8.5

d. none of these

Ans. b

7. Most suitable time for sowing of Pisa Chetki Variety of radish is:

a. March-August

b. October- November

c. After November

d. None of the above

Ans. a

8. Which of the following variety of Brassica pekninensis is a useful leafy vegetable for plains and hills of North India?

a. Chinese

b. American

c. Canadian

d. Japanese

Ans. d

9. Protein content of Guar meal is about:

a. 11.3%

b. 22.2%

c. 33.3%

d. 44.4%

Ans. c

10. In which year, Pusa Bedana variety of watermelon was reeased?

a. 1970

b. 1969

c. 1972

d. 1989

Ans. c


11. Which of the following pointed ground numbers are enough to plant an area of one hectare?

a. 20000

b. 30000

c. 40000

d. 50000

Ans. d

12. Which of the following type of vegetable gardening is followed in Dal Lake of Kashmir Valley?

a. Floating garden

b. Hydroponiocs

c. Kitchen garden

d. None of these

Ans. a

13. “Durgapura Kesar” is an important cultivator of:

a. Musk melon

b. Water melon

c. Cucumber

d. Bottle goud

Ans. b

14. Which of the following is YUMV resistant?

a. Pusa Makhmali

b. Pusa Sawami

c. Punjab No.8

d. None of these

Ans. b

15. Which of the following variety of winter squash has been recommended from IARI?

a. Arka Chandan

b. Arka Suryamukhi

c. Large red

d. None of the above

Ans. b

16. Which of the following variety is tolerant to fruit borer?

a. Punjab Neelam

b. Punjab Barsati

c. Jamuni Gola

d. None of these

Ans. b

17. Which of the following planting ratio of females to male gives good fruit yielding of parval?

a. 15-20 to 1

b. 30-40 to 1

c. 1 to 1

d. None of these

Ans. a

18. For growing carrot, radish and turnip for table purpose, sowing is done at a spacing of:

a. 45 * 30 cm

b. 30 * 15 cm

c. 45 * 20 cm

d. None of these

Ans. d

19. For induction of reater number of female flowers in watermelon, spray seedings at 2-4 leaf stage with 2,4,5-triiodobenzoic acid at a concentration of:

a. 10-15 ppm

b. 25-50 ppm

c. 50-100 ppm

d. none of these

Ans. b

20. Cucumber fruits can be stored for longer period at the temperature of:

a. 5 degree C

b. 10 degree C

c. 25 degree C

d. None of these

Ans. c


21. Cluster bean is sown at a spacing of:

a. 75*60 cm

b. 60*45 cm

c. 45*20cm

d. none of these

Ans. c

22. Cluster bean is:

a. Self-pollinated

b. Cross-pollinated

c. Often ross-pollinated

d. None of these

Ans. a

23. Colour of Pusa Sweti variet of turnip is:

a. Red

b. Golden

c. White

d. None of these

Ans. c

24. Cowpea is probably a native of:

a. India

b. China

c. Central Africa

d. None of these

Ans. c

25. Vegetables are rich source of:

a. Vitamins

b. Carbohydrates

c. Proteins

d. Fat

Ans. a

26. Vegetables are generally subjected to drying after:

a. Blanching

b. Without blanchinf

c. Sulphuring

d. Any other means

Ans. a

27. Sweet potato vine cuttings are planted at a spacing of:

a. 60*3 cm

b. 100*60 cm

c. 150*60 cm

d. None of these

Ans. a

28. Virus disease of chilli are spread by:

a. White flies

b. thrips

c. aphids

d. None of these

Ans. a

29. Vitamin C content in French bean is enhanced with the application of:

a. Zinc

b. Iron

c. Copper

d. None of these

Ans. a

30. Watermelon can grow well on acidic soil with pH of:

a. 4.0

b. 5.0

c. 6.0

d. None of these

Ans. b


31. Chenopodiaceae is the family of:

a. Potato

b. Sweet Potato

c. Okra

d. Spanish

Ans. d

32. Chilly hybrid-1(CH-1) was evolved by:

a. CSAUA & 1 (Kanpur)

b. PAU (Ludhiana)

c. CCHAU (Hissar)

d. IARI (New Delhi)

Ans. b

33. Which of the following is an early variety of cauliflower?

a. Pusa Katki

b. Synthetic second

c. Snowball-16

d. None of these

Ans. a

34. Which of the following is a true vegetable crop?

a. Sweet potato

b. Okra

c. Potato

d. Spanish

Ans. b

35. Which one is not correctly matched?

a. Ginger- Rhizome

b. Garlic- Bulb

c. Potato- Tuber

d. Sweet potato- Stolen

Ans. d

36. Which of the following seed rate of TPS is recommended for one hectare area?

a. 150 g

b. 250 g

c. 350 g

d. 450 g

Ans. a

37. Tomato variety RKMT is evolved through:

a. X-rays

b. Gamma rays

c. EMS

d. MMS

Ans. a

38. Which of the following colour of flower is produced by Trigonella foenum graecum (Common methi) ?

a. White

b. red

c. purple

d. orange to yellow

Ans. a

39. Potato tuber production stops totally at a temperature of:

a. 25 degree C

b. 30 degree C

c. 35 degree C

d. None of these

Ans. b

40. Turnip belongs to the family?

a. Umbelliferae

b. Chnopodiaceae

c. Cruciferae

d. None of these

Ans. c


41. Cracking of tomato fruit is brought about by:

a. restricted watering

b. a period of drought followed by sudden heavy watering

c. over watering

d. insufficient watering

Ans. b

42. Punjab-8, variety of Okra has been evolved by:

a. interspecific hybridization

b. irradiation induced mutation

c. chemical induced mutation

d. None of the above

Ans. c

43. Great Lake is a variety of:

a. butter head lettuce

b. leaft type lettuce

c. crisp head lettuce

d. none of these

Ans. c

44. Potato crop is planted at a spacing of:

a. 45*30 m

b. 60*15-20 cm

c. 75-10 cm

d. none of these

Ans. b

45. Potato is a rich source of Vitamin:

a. A

b. B

c. C

d. D

Ans. c

46. Seed rate of Musk melon crop is:

a. 1.5-2.0 kg/ha

b. 3.0-4.0 kg/ha

c. 6.0-7.0 kg/ha

d. 7.0-7.5 kg/ha

Ans. a

47. Whiptail in cauliflower is caused by:

a. excess of boron

b. deficiency of boron

c. exxess of molybdenum

d. deficiency of molybdenum

Ans. d

48. Who studied the heterosis in brinjal?

a. B.S. Tomar

b. H.Singh and T.S. Kaider

c. N. Basuvaraja

d. All of the above

Ans. d

49. First intergenic cross between radish and cabbage was made by:

a. Jennings

b. Karpenchenko

c. Hull

d. Richy

Ans. b

50. Flat head or drum head and savoy types cabbage cultivars have ……………… maturity.

a. early

b. mid

c. late

d. None of these

Ans. c


51. For a balanced diet, the dieticians have recommended daily consumption of leafy vegetables to the tune of:

a. 50g

b. 125g

c. 250g

d. 120g

Ans. b

52. Coefficient of variance is calculated by the formula of:

a. SD/Mean

b. Mean SD

c. SD/Mean*100

d. Mean SD*100

Ans. c

53. Student’s t-test was discovered by:

a. F.Yates

b. R.A. Fischer

c. W.S. Gosset

d. P.C. Mahalanobis

Ans. c

54. The significance of difference between two means can be tested by using the formula of:

a. Chi- square test

b. t-test

c. f-test

d. none of these

Ans. d

55. The value of 2 value always lies between:

a. 0 to infinite

b. 0 to +1

c. -1 to 0

d. -1 to +1

Ans. a

56. SL -120, semi determinate variety of tomato was evolved by:


b. PAU



Ans. c

57. Directroate of Vegetable Research is situated in:

a. Bhopal

b. New Delhi

c. Varanasi

d. Ludhiana

Ans. c

58. In potato crop earthing is done after sowing of:

a. 20 days

b. 40 days

c. 50 days

d. none of these

Ans. b

59. The largest chilli growing state is:

a. Madhya Pradesh

b. Tamil Nadu

c. Andhra Pradesh

d. Rajasthan

Ans. c

60. The most ancient type of garden is:

a. Kitchen garden

b. market garden

c. vegetable garden

d. floating garden

Ans. a


61. The most common leaf vegetable grown in India during summer is:

a. Amarnath

b Portulaca

c. Indian spinach

d. Spinach

Ans. a

62. Great lakes is a variety of:

a. crips head lettuce

b. butter head lettuce

c. leaf type lettuce

d. none of these

Ans. a

63. Haulms in potato seed crop are cut during:

a. End of December or first week of January

b. Second fortnight of January

c. First fortnight of February

d. none of the above

Ans. a

64. Heterosis in bottle gourd was reported in a number of crosses by:

a. I.D. Tyagi(1973)

b. V.S. Seshadri(1988)

c. G.S. Gill(1980)

d. U.K. Verma(1985)

Ans. b

65. The most serious disease of tomato in the rainy and autumn season is:

a. TMV

b. CMV

c. Leaf curl

d. tomato spotted wilt virus

Ans. d

66. The most serious disease of okra is:

a. yellow vein mosaic

b. powdery mildew

c. root rot

d. none of the above

Ans. a

67. The most troublesome insect pest of lettuce is:

a. leaf miner

b. aphid

c. painted bug

d. none of these

Ans. b

68. Highest pod yield in french bean is obtained at a soil pH of:

a. 5.3-6.0

b. 6.0-7.0

c. 7.5-8.5

d. none of these

Ans. a

69. Which of the following vegetable is perennial?

a. Asparagus

b. cauliflower

c. garlic

d. Indian bean

Ans. a

70. Which of the following vegetable has highest amount of vitamin A ?

a. Amaranath

b. carrot

c. cauliflower

d. lettuce

Ans. a


71. ‘Suverna’ is a popular variety of:

a. Coariander

b. Fenugreek

c. Pumpkin

d. Pointed groud

Ans. b

72. Cytoplasmic male sterility is used for hybrid seed production in:

a. Brinjal

b. Okra

c. Onion

d. tomato

Ans. c

73. Powdery mildew disease is caused by:

a. Bacteria

b. Fungus

c. Virus

d. none of these

Ans. b

74. “Buck eye rot” is associated with:

a. Tomato

b. Pea

c. Sweet Potato

d. Brinjal

Ans. a

75. “Browning” in cauliflower is due to:

a. Bo deficiency

b. N deficiency

c. Mo deficiency

d. Zn deficiency

Ans. a

76. Vegetables are mostly canned in :

a. Brine

b. Syrup

c. Water

d. All of these

Ans. a

77. “Little Leaf” disease of brinjal is caused by:

a. Bacteria

b. Fungus

c. Mycoplasma

d. Virus

Ans. c

78. “Phomosis blight” resistant variety of brinjal is:

a. Azad Kranti

b. Pusa Komal

c. Pant Samart

d. Pant Rituraj

Ans. c

79. Optimum monthly temperature for New Zealand Spinach is:

a. 10-12 degree C

b. 12-15 degree C

c. 15-18 degree C

d. 20-22 degree C

Ans. d

80. Protogyny condition is found in:

a. Onion

b. Cucumber

c. Tomato

d. Cabbage

Ans. a


81. Minimum monthly temperature for asparagus is:

a. 10 degree C

b. 5 degree C

c. 15 degree C

d. 1 degree C

Ans. d

82. Best storage temperature for tomato is:

a. 8-10 degree C

b. 12-15 degree C

c. 18-20 degree C

d. 20-2 degree C

Ans. b

83. Bottle groud is originated from:

a. Africa

b. India

c. C. America

d. Indonesia

Ans. a

84. Leaf crul resistant tomato variety is:

a. Siou

b. Punjab Chhuhara

c. S-12

d. Hisar Anmol

Ans. d

85. Hybrid vegetable grows maximum in:

a. Brinjal

b. Tomato

c. Cabbage

d. None of these

Ans. b

86. ‘Petha’ is prepared from:

a. 5.1%

b. 8.3%

c. 7.2%

d. 9.0%

Ans. c

87. Pusa Meghna is a variet of:

a. Cow pea

b. Watermelon

c. Carrot

d. Cauliflower

Ans. d

88. Parent of Pusa Sanjog is:

a. Japanese Gynoecious lines*Green Long Naples

b. Japanese Long Green*Himangi

c. Poinsett*Green Long Naples

d. Sheetal*Himangi

Ans. a

89. Catface is a physiological disorder of:

a. Brinjal

b. Potato

c. Cauliflower

d. Tomato

Ans. d

90. Carbohydrates content in potato (in 100g) is:

a. 15.4g

b. 22.6g

c. 17.8g

d. 31.6g

Ans. b

91. Sprouting of potato can be controlled by a pre harvest spray of:

a. IBA

b. MH

c. CCC

d. None of these

Ans. b

92. ICMR recommended per caita consumption of vegetable in a day:

a. 175 g degree C

b. 250 g degree C

c. 285 g degree C

d. 300 g degree C

Ans. d

93. Optimum temperature for onion bulb formation is:

a. 10-12 degree C

b. 20-22 degree C

c. 15-18 degree C

d.None of these

Ans. b

94. Bitter principle in Luffa is:

a. Luffein

b. Momordicin

c. Cucurbitacin

d. None of these

Ans. a

95. Double cross hybrid in cabbage is suggested by:

a. Davis and Richey

b. Odland and Nle

c. Meredith and Bridge

d. Singleton and Nelson

Ans. b

96. Stemphyllium blight is a major disease in :

a. Potato

b. Tomato

c. Onion

d. Okra

Ans. c

97. Temperature requirement for curd intitation of snow ball type cauliflower is:

a. 10-16 degree C

b. 7-9 degree C

c. 18-20 degree C

d. None of these

Ans. a

98. Yellow color of beet is due to:

a. -Carotence

b. _Carotence

c. -Xanthence

d. Lycopene

Ans. c

99. Genetic constitution of maintainer line in onion HSP:

a. Smsms

b. Mmsms

c. NMsms

d. SMsMs

Ans. b

100. Stamin number in onion is:

a. 4

b. 8

c. 9

d. 6

Ans. d

101. Highest Vitamin is found in:

a. Broccoli

b. Cabbage

c. Sweet prepper

d. Amarnath

Ans. c

102. Onion pungeny is due to:

a. Allyl Propyl disulphide

b. Dimethyl trisulphide

c. Diallyl disulphide

d. Quercetin

Ans. a

103. Multistyle flower is common in:

a. Tomato

b. Cauliflower

c. Brinjal

d. Chilli

Ans. c

104. Chromosome number of Cucumber is:

a. 2n=14

b. 2n=24

c. 2n=18

d. 2n=12

Ans. a

105. Bitterness of brinjal is due to:

a. Solanine

b. Momordacine

c. Solasodine

d. None of these

Ans. c

106. Chromosome number of Palak is:

a. 2n=16

b. 2n=22

c. 2n=26

d. 2n=12

Ans. a

107. High and low temperature for fruit setting tomato variety is:

a. Pusa Sheetal

b. Pusa Ruby

c. Pusa Gaurav

d. Pusa Sadabahar

Ans. d

108. Marsh spot in pea is due to:

a. Cu deficiency

b. Ca deficiency

c. Zn deficiency

d. Mn deficieny

Ans. d

109. Which of the following is not matched correctly ?

a. Pusa Sadabahar-Tomato

b. Pusa Jyoti-Watermelon

c. Pusa Sawami-Okra

d. Pusa Naveen-Bitter grourd

Ans. d

110. In which of the following vegetable first hybrid was released?

a. Tomato

b. Chilli

c. Bottle grourd

d. Cowpea

Ans. c

111. Which of the following is a causal organism of common scab of potato:

a. Rhizoctpnia solani

b. Streptomyces scabies

c. Pseudomonas solanceanum

d. Sponospora subterraneam

Ans. b

112. Cauliflower curd can be stored for one month at:

a. 0 degree C and 85-90%RH

b. 10 degree C and 70-80%RH

c. 15 degree C and 60-70%RH

d. None of these

Ans. a

113. Which of the following is/are necessary for successful vegetable production?

a. Better seed

b. Improved cultural practices

c. Better plant protection

d. All of these

Ans. d

114. The purgency in chillies is due to:

a. Capsicin

b. Coumasin

c. Quercetin

d. Capsanthin

Ans. a

115. The tomato sp. which have the upright fruiting is:

a. Lycopersicon esulentum

b. Lycopersicon validium

c. Lycopersicon pyrifomac

d. Lycopersicon cerasifome

Ans. b

116. Which one of the following country is having the first rank in area and production of garlic?

a. India

b. Burma

c. China

d. Japan

Ans. c

117. Solanum tuberosum is a:

a. Haploid

b. Diploid

c. Tetraploid

d. None of these

Ans. c

118. Which of the following vegetable in not a C3 crop?

a. Sweet potato

b. Amarnath

c. Tomato

d. Lettuce

Ans. b

119. Which of the following factor affects the storage life of vegetables?

a. Maturity stage at harvesting

b. Temperature of storage

c. Humidity of storage

d. All of the above

Ans. d

120. In tomato, blossom end rot is caused due to deficiency of:

a. P

b. Ca

c. Mg

d. Boron

Ans. b

122. Little leaf disease resistant brinjal cultivar is:

a. Pusa Purple Cluster

b. Pusa Purple Round

c. Pant Samrat

d. Manjari

Ans. b

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