Quiznetik

Horticultural Science | Set 3

1. First and the heaviest flower drop in fruit plants occurs due to :

Correct : D. All of the above

2. Salient factors which contribute to the fruit drop are:

Correct : D. All of the above

3. Dormancy can be broken by the use of:

Correct : D. All of the above

4. Solanum melogena is locally known as :

Correct : C. Egg plant

5. Why hardening is practiced in vegetables:

Correct : C. To increase the resistance of the plant

6. At fruit bud differentiation, nitrogen contents are _____________:

Correct : A. Low

7. Word pomum means:

Correct : A. Fruit

8. Chromose number of citrus is:

Correct : B. 9

9. Parthenocarpy refers to :

Correct : B. Fruit without pollination

10. Flower of grapes is technically called as:

Correct : C. Clyptra

11. Anthesis of grapes complete at:

Correct : C. Cap fall

12. Date palm leaf is called:

Correct : C. Frond

13. Dioecious, monocot fruit tree is:

Correct : C. Date palm

14. Dicot, diecious fruit tree is:

Correct : A. Papaya

15. Monocot and monoecious fruit plant is:

Correct : A. Banana

16. Tree fruit can tolerate a soil pH in the range of:

Correct : D. 5.5-8.5

17. Water potential in rhizosphere is measured with:

Correct : A. Tensiometer

18. Grape plant is technically called as:

Correct : A. Liana

19. Guava plant is technically categorized as:

Correct : A. Bush

20. Citrus belongs to sub family:

Correct : C. Aurantioideae

21. Citrus fruit is botanically:

Correct : A. Hesperidium berry

22. Apple fruit develops from:

Correct : A. Thalamus

23. A complete flower has:

Correct : A. 5 whorls

24. Kinnow seed is:

Correct : A. Polyembryonic

25. Apomictic seedlings are also called as:

Correct : A. Nucellar seedlings

26. Cherry is a:

Correct : B. Stone fruit

27. Seed of strawberry fruit is:

Correct : A. Achene

28. Mulberry is a fruit of type:

Correct : C. Aggregate

29. The biggest fruit plant containing family is:

Correct : A. Rosaceae

30. Chilling injury in plants occurs at a temperature:

Correct : B. <5°C

31. Both Mango and Pistachio belongs to one family:

Correct : A. Anacardiaceae

32. Date palm is also called as:

Correct : A. Feather palm

33. Green hard stage of date fruit is:

Correct : A. Kimri

34. Date fruit for curring is harvested at:

Correct : A. Rutab stage

35. Banana fruit is called as

Correct : A. Finger

36. Peaches belongs to family

Correct : A. Rosaceae

37. Kumquat fruit is edible

Correct : A. Whole fruit

38. Guava is a rich source of

Correct : C. a & b

39. Common rootstock for citrus in Punjab

Correct : A. Rough lemon

40. Pruning is a regular practice in date palm variety

Correct : C. Deglet Noor

41. Excess of N in citrus plant may cause

Correct : C. Flower drop

42. Alternate bearing is a problem of following fruit crops

Correct : D. All of above

43. Citrus can tolerate a salinity level

Correct : B. pH 8.5

44. Male inflorescence of Cashew nut and Walnut is called

Correct : A. Catkins

45. “Hari” is a rootstock for

Correct : B. Apricot

46. Apple bears on

Correct : C. Spurs

47. Bearing habit of mango is

Correct : A. Terminal

48. Polyembryony means

Correct : D. More than three embryo

49. Head in fire, foot in water is a proverb for

Correct : C. Date palm

50. Pears are

Correct : B. Universally self incompatible

51. Quince is a common rootstock for

Correct : C. Pear

52. Parienth is the fnion of

Correct : A. Calyx and Corolla

53. Spur is defined as

Correct : D. Mature wood with rosette head

54. Chimera refers to

Correct : A. Somatic cell fusion

55. Metaxenia is the impact of

Correct : C. Pollen on ovule

56. Senescence is a stage of

Correct : A. Tissue decay

57. Rest is a natural process in

Correct : B. Seed & plant

58. Dormancy in plant and seed is mainly due to

Correct : C. a & b

59. Petiole is a main part of

Correct : B. Leaf

60. Micropyle is an opening in

Correct : B. Seed

61. Skirt in date palm fruit is

Correct : C. Endocarp

62. Recommended matrix height in citrus is

Correct : C. 9 inches

63. Common rootstock used for sweet orange in NWFP.

Correct : A. Sour orange

64. Berry splitting in citrus and strawberry is due to

Correct : A. High temperature

65. Mango varieties in Pakistan are

Correct : A. Monoembryonic

66. Asexually apple rootstocks is raised by

Correct : C. Stooling

67. Lemons and limes can also be propagated by

Correct : C. a & b

68. Common rootstocks for apple in Pakistan

Correct : C. Crab apple

69. Systematic pomology deals with

Correct : B. Nomenclature

70. The Genus Fortunella include :

Correct : D. 4 spp.

71. Genus Poncirus has

Correct : A. 1 spp.

72. Best time of propagation of fruit plants in sub tropical region is :

Correct : B. Spring & autum season

73. Major insect attacking the summer crop of guava during summer crop is :

Correct : C. Fruit fly

74. Grapevine needs :

Correct : A. Bulk pruning

75. A self supporting vine type stem is called.

Correct : D. Liana

76. Edible part of pomegranate is

Correct : D. Aril

77. Apple and pears are classified as

Correct : B. Pome

78. Nut fruits are derived from

Correct : B. Hypogynous flower

79. Strawberry is a fruit of type.

Correct : A. Multiple

80. The coldest region for citrus growing is

Correct : B. New Zealand

81. The three important genera of Anacardiaceae family are.

Correct : C. Pistacia, Mangifera, Anacardium

82. Chromosome number of mango are

Correct : A. n=20

83. Unfertile stamens of mango are called.

Correct : C. Staminoides

84. Mango flower carries fertile stamens which are.

Correct : A. One

85. Low temperature regime in summer which stops growth of mango is :

Correct : D. 18°F

86. Canary date differs from cultivated date in

Correct : C. Thickness of stem

87. Wild dates (P. sylvestris) is important due to

Correct : D. Medicinal value.

88. Maximum production of date palm is in:

Correct : D. Iraq

89. Apple belongs to the family

Correct : D. Rosaceae

90. Apple is a fruit of

Correct : A. Temperate region

91. Apple flower has carpels like

Correct : A. Five

92. Date growth does not cease if temperature does not fall below:

Correct : C. 18°C

93. Seedless date palm variety is:

Correct : A. Hassaku

94. Pruning is carried out in date palm variety:

Correct : A. Deglet Noor

95. Date palm propagation is by means of:

Correct : A. Suckers

96. Mushroom seed is called:

Correct : A. Spawn

97. Mushroom are cultivated on:

Correct : C. Dead mass

98. Banana plants are infected with:

Correct : A. Banana bunchy top

99. Banana fruit bunch is called:

Correct : A. Hand

100. Banana plant bears in it’s life time:

Correct : A. Once in life