Quiznetik

Horticultural Science | Set 4

1. Banana propagation is carried out through:

Correct : A. Sword sucker

2. Banana is a fruit type of:

Correct : B. Climacteric

3. Apple and pear belongs to:

Correct : B. Different sub genus

4. Apple is a rich source of mineral:

Correct : D. Iron

5. Apple bears on spurs in cluster of:

Correct : C. 5 Flowers

6. Apple flower is distinguished from pear flower:

Correct : C. a & b

7. Honey extracted from almond flower is inedible due to:

Correct : A. Amygdalus factor

8. Almond and peach belongs to:

Correct : B. Some germs & different spp.

9. Different mango varieties can be distinguished on the basis of:

Correct : A. New leaf colour

10. Salt tolerant fruit plants are:

Correct : C. a & b

11. Adopted planting system of orchard in Pakistan is:

Correct : A. Square system

12. RCBD stands for:

Correct : C. Randomized complete block design

13. Nitrogen in plant sample is estimated by:

Correct : B. Kjeldhal’s apparatus

14. Jaman has a medicinal value against:

Correct : A. Diabetes

15. Chinese layering is practiced in:

Correct : C. Litchi

16. Abscission in fruit occur due to:

Correct : A. Excessive abscissic acid

17. Button in citrus fruit is:

Correct : A. Calyx at base

18. Pomology is a study of

Correct : A. Fruit plants

19. The microsporogenesis is the formation of

Correct : A. Male gamete

20. Physiological aging activity in which plant tissues degenerate and ultimately die is called

Correct : A. Senescence

21. Plants response to the relative length of daylight or darkness is known as:

Correct : D. Photoperiodism

22. Abscisic acid (ABA) is natural plant hormone, which:

Correct : D. retards the growth

23. The development of fruit without fertilization or seed is called as:

Correct : D. Parthenocarpy

24. The commercial yield of citrus orchards in tropical and subtropical are commonly:

Correct : B. 50% less in tropical than subtropical regions

25. High nitrate supply helps to ______________ maximum carbohydrates:

Correct : A. Utilize

26. Nuceller seedlings are also called as:

Correct : C. Polyembryony

27. A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as:

Correct : C. Mutation

28. Spongy tissue in mango is due to

Correct : D. Physiological disorder

29. The soil moisture conservation technique under covered ground area is called:

Correct : B. Mulching

30. Bananas main portion which remains above the ground is called as:

Correct : C. Pseudostem

31. Low temperature helps to _________ growth inhibitors:

Correct : B. Decrease

32. Gross Michel is high yielding variety of:

Correct : C. Banana

33. Shamber is variety of Grape fruit in which pulp is;

Correct : A. Pigmented and seedless

34. The foster is variety of :

Correct : D. Grape fruit

35. The non-climacteric fruit is

Correct : D. Citrus

36. Bunchy top disease in banana is said to be due to:

Correct : A. Virus

37. Severe pruning in grapes is recommended:

Correct : A. Every year

38. King of temperate fruit is:

Correct : D. Apple

39. Reproduction of plants through seeds are also called:

Correct : C. Sexual propagation

40. The plants shed their leaves during autumn are called;

Correct : B. Deciduous

41. Ripened ovary is called as:

Correct : C. Fruit

42. Pollination between two such flowers situated on the same plant is known

Correct : B. Allogamy

43. A good example of dioecious plant is

Correct : D. Papaya

44. Sensation is the variety of:

Correct : D. Mango

45. Tomato nursery established during September could be transplanted in the field during:

Correct : A. October

46. The variety originated from a cross of King X Willow leaf is:

Correct : D. Kinnow

47. Causes of misshapen and angularity in cucumber fruit under tunnel is due to

Correct : A. Poor pollination

48. In citrus 80-90% of the active roots are present in the soil to a depth of:

Correct : A. 25 cm

49. Fleshy fruit with thin skin, not formed from the ovary but from another part of the plant is known as:

Correct : D. Pome

50. The fruits which do not naturally open to shed seed are known as:

Correct : D. Indehiscent fruit

51. The example of above ground modified stem is

Correct : A. stolons

52. Edges of the leaf are called

Correct : A. Margin

53. In citrus, 2n chromosome number is

Correct : A. 18

54. Botanical name of sweet orange is

Correct : C. C. sinensis

55. Zinc deficiency is sweet orange causes

Correct : B. Chlorosis in leaves

56. Antagonistic effect of Fe on Zn availability in sweet orange causes:

Correct : D. Zn deficiency

57. Blooming in mango occurs:

Correct : A. February to Mid April

58. The whole inflorescence in mango is called as

Correct : B. Panicle

59. High seed germination in cucumber occurs under temperature range of:

Correct : A. 20-25°C

60. Maximum number of flowers in mango are borne on

Correct : D. April flesh

61. The fruit of mango is

Correct : C. Drupe fruit

62. Inarching is also called as

Correct : C. approach grafting

63. Anthracnose of mango is:

Correct : A. Fungal disease

64. One year old branch of plant is

Correct : C. twigs

65. Guava is grown on large scale in

Correct : C. Sheikhupura area

66. All commercial date palm orchards in Pakistan are pollinated by

Correct : D. Manual

67. Umran No. 9 and 13 are the varieties of

Correct : D. Ber

68. Flower bearing in ber occurs during

Correct : D. Autumn

69. East Malling is a root stock for

Correct : A. Apple

70. Low chilling verities of apple

Correct : D. All of these

71. Stooling is also called as

Correct : D. Mound layering

72. Good soil management ensures

Correct : D. All of the these

73. Apple require relatively

Correct : A. High K and low P

74. Irrigation during blooming in apple

Correct : B. Harm full to fruit set

75. Cross pollinated in apple generally produce

Correct : B. Better results than self pollinated

76. In sweet orange pre-harvest fruit drop is

Correct : D. Problems of the area

77. The sweet orange is a

Correct : B. Tight skinned

78. Sweet orange belongs to the family

Correct : C. Rutaceae

79. Citrus reticulat Blanco is the botanical name for

Correct : B. Mandarin

80. Tap roots of plants are also called as

Correct : C. Primary roots

81. The parts of stem from which a leaf arises is called

Correct : A. Node

82. The plants which live for only a single season are called

Correct : D. Annuals

83. Plants, soft and green, and can be easily bent is known

Correct : A. Herbaceous

84. The bud which develop into the axils of a leaf is

Correct : A. Axillary buds

85. In some plants the buds contain both leaves and flowers and known as

Correct : D. Mixed buds

86. A slender trailing stem taking roots at the node is

Correct : A. Runner

87. The stamens are the male organs of flower which are also called

Correct : C. Androecium

88. Special leaf which bears a flower or cluster of flowers in its axils is called

Correct : A. Bracts

89. The terminal part of the pedicel bearing the sepals, petals, stamens and carpals is called

Correct : C. Thalamus

90. Peduncle is a main axis of the

Correct : C. Inflorescence

91. An inflorescence in which the pedicels of the flowers arises from the same points as called

Correct : A. Umbel

92. A group of flowers on an axis is called

Correct : A. Solitary axillary flower

93. The nutritive tissue around the embryo in seed is

Correct : C. Endosperm

94. Bracts situated out side the calyx in certain flowers are called

Correct : A. Epicalyx

95. The germination of seed in which cotyledons come above ground is

Correct : A. Epigeal

96. A sexual cell in plants is called

Correct : A. Gamete

97. A flower which has all the usual parts sepals, petals, stamens and carpel is called

Correct : A. hermaphrodite

98. The situation in which a plant grows wild is called

Correct : A. Habitat

99. Proteins are most complex organic compounds, containing

Correct : D. All of these

100. Pine apple is a source of

Correct : D. All of these