10 MCQ on Plant Science for various Agriculture Exams✅ Part -104

41. The correct sequence of events during sexual reproduction of flowering plants is
    (a) Pollination → Fertilization → Seed formation → Embryogenesis
    (b) Pollination → Seed dispersal → Double fertilization → Fruit formation
    (c) Pollination → Fertilization → Seed formation → Fruit formation
    (d) Pollination → Fertilization → Fruit formation → Seed dispersal

42. In a flower, pollen mother cells should undergo division to produce 64 pollen grains?
    (a) 8
    (b) 16
    (c) 32
    (d) 4

43. After fertilization, the seed coats of seed develop from
    (a) Chalaza
    (b) Integuments
    (c) Nucellus
    (d) Embryo sac

44. The fertilization occurs in the ovule
    (a) Nucellus
    (b) Integuments
    (c) Embryo sac
    (d) Egg cell

45. A pollen grain is best defined as
    (a) Male gamete
    (b) Male gametophyte
    (c) Male reproductive organ
    (d) Microsporophyll

46. Amphiploid tissue is
    (a) Maize root
    (b) Fern prothallus
    (c) Maize endosperm
    (d) Onion leaf

47. Pollen has tube at the time of emerging embryo sac
    (a) Four gametes
    (b) Three male gametes
    (c) Two male gametes
    (d) One gamete nucleus

48. The ovule of angiosperm might be evolved from
    (a) 2 ovules
    (b) 4 ovules
    (c) 8 ovules
    (d) 24 ovules

49. Which of the following statements is correct for double fertilization?
    (a) It involves fusion of one male gamete with egg and other with antipodal cell.
    (b) It involves the fusion of male gametes with two polar nuclei.
    (c) It shows only one fertilization.
    (d) It shows diploid zygote formation and triploid primary endosperm nucleus formation.

50. Zygote is composed of the monosporic cell of the
    (a) Embryo sac
    (b) Egg apparatus
    (c) Central cell
    (d) Nucellus

51. Triple fusion in plants was first detected by
    (a) Strasburger
    (b) Nawaschin
    (c) Guignard
    (d) Hofmeister

52. Fusion of male gamete with secondary nucleus and other male gamete with egg cell is called
    (a) Simple fertilization
    (b) Double fertilization
    (c) Amphimixis
    (d) Triple fusion

53. Aleurone layer of maize seed is
    (a) Peripheral part of endosperm
    (b) Cotyledon
    (c) Peripheral part of coleorhiza
    (d) Embryo sac

54. If an endosperm of an angiosperm has 24 chromosomes, what would be the number of chromosomes in the megaspore mother cell of the same plant?
    (a) 8
    (b) 16
    (c) 24
    (d) 32

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Would you like me to now combine all 54 questions of Exercise III (pages 316–319) into a single organized document or table (with correct answers and explanations for study use)?