Horticulture MCQs for preparation

31.  The poorest seed, storage capacity is in:    

a         Okra,

b         Peas,

c         Cucurbits,

d         Onion,

32. Nitrates are, absorbed at pH below:

a         5,

b         6,

c         7,

d         8,

33.  Hormones which, control apical dominance are:

a         Auxins,

b         Cytokinins,

c         Gibberellins,

d         Polyamines,

34. Tetraploid watermelon, must be pollinated by, ____ plants to produce, a seedless watermelon

a         Triploid,

b         Aneuploid,

c         Diploid,

d         Tetraploid,

35.  Which vegetable, cannot be grown as an, off season vegetable:

a         Tomato,

b         Potato,

c         Chillies,

d         Cucumber,

36.  Lower temperature, than normal convert, male flowers into perfect, flowers in ________

a         Date palm,

b         Mango,

c         Papaya,

d         Citrus,

37.  Tomato, is a _________ crop.

a         Self pollinated,

b         Insect pollinated,

c         Oftenly cross pollinated,

d         Wind pollinated,

38.  Turmeric, is propagated by:

a         Corms,

b         Seed,

c         Rhizome,

d         Bulb,

39.  Sweet potato, is propagated by:

a         Stem cuttings,

b         Tubers,

c         Roots,

d         a & b,

40.  Self pollination, is a form of:

a         Inbreeding,

b         Out breeding,

c         Random mating,

d         None,

41.  Cross pollination, is associated with:

a         Cleistogamy,

b         Chasmogamy,

c         Dichogamy,

d         Apogamy,

42.  Completion of pollination, and fertilization in unopened, flower bud is termed as:

a         Chasmogamy,

b         Apogamy,

43.  Maturation of, anthers and stigma at, the same time refers to:

a         Homogamy,

b         Chasmogamy,

c         Cleistogamy,

d         Dichogamy,

44.  Fertilization, after opining of flower, refers to:

a         Cleistogamy,

b         Chasmogamy,

c         Homogamy,

d         Herkogamy,

45.  Male sterility, promotes:

a         Autogamy,

b         Allogamy,

c         Homogamy,

d         Chasmogamy,

46.  Exposure of seed, to low temperature before, germination is termed as :

a         Scarification,

b         Stratification,

c         Vernalization,

d         All,

47.  Imbibed or germinated, seeds subjected to cold, temperature is termed as:

a         Scarification,

b         Startification,

c         Vernalization,

d         Sterilization,

48.  Which of following vegetable, does not require specific, low temperature before, flowering:

a         Beetroot,

b         Cabbage,

c         Onion,

d         Brinjal,

49.  Edible part, of cauliflower is:

a         Flowers,

b         Flower bud,

c         Vegetative bud,

d         Inflorescence,

50.  Edible portion of, cabbage is:

a         Terminal bud,

b         Leaves,

c         Leaves + inflorescence,

d         All,