2. The arrangement of flowers on the flora axis is known as
Correct : C. Anthology
3. The unit of female reproductive body in flower is
Correct : A. Carpel
4. After fertilization the ovule develops into
Correct : B. seed
5. Fruit is a modification of
Correct : B. ovary
6. The seed coat develops from
Correct : D. Outer integument
7. Nucellus in seed is represented by
Correct : B. Peri carp
8. Pollen grain are produced in
Correct : C. Anther
9. Ovule is attached to the placenta by
Correct : C. Funicle
10. Pollen tube enters the embryo sac through
Correct : B. Micropyle
11. Pollen tube, entering in embryo sac has
Correct : C. 2 male gametes
12. In flowering plants, fertilization occur in
Correct : B. Embryo sac
13. The formation of zygote without the act of syngamy is called
Correct : B. Parthenogenesis
14. Which phase of life cycle is dominant in the individuals of angiosperms ?
Correct : C. Sporophyte
15. The process by which seedless fruits are produced are known as
Correct : A. Parthenocarpy
16. A flower is
Correct : D. Modified shoot
17. A flower is specially formed for
Correct : C. reproduction
18. Pollen tube enters the micropyle into through
Correct : C. Female gametophyte
19. Embryo develops from
Correct : B. Zygote
20. Fertilized secondary necleus develops into
Correct : D. Endosperm
21. Transfer of pollen to the stigma is called
Correct : C. pollination
22. In ficus pollination occurs through
Correct : D. Insects
23. After fertilization seed is developed from
Correct : C. Ovule
24. Cross pollination is normally
Correct : C. more beneficial
25. Pollen grains germinate on
Correct : B. Stigma
26. An anther is also called
Correct : C. Microsporangium
27. The source of food for developing embryo is
Correct : C. Endosperm
28. Out of megaspore tetrad, the functional megaspore is
Correct : D. Chalazal megaspore
29. Micropylar end lacks
Correct : D. Integument
30. The larger cell of a pollen grain with irregular shaped nucleus is
Correct : C. Vegetative cel
31. How many megaspore mothe cell are produced in a nucellus ?
Correct : B. 1
32. How many cells are formed in a mature female gametophyte ?
Correct : D. Seven
33. Transfer of a pollen grain to the stigma of the same plant is called
Correct : B. Geitonogamy
34. The uppermost and largest cell of the suspensor which remains in contact with apical cells is called
Correct : C. Hypophysis
35. The adaptation for self-pollination is
Correct : B. Cleistogamy
36. Which of the following cell is diploid?
Correct : C. Secondary nucleus
37. Suspensor is produced from
Correct : B. Small upper basal cell
38. Which structure pushes the developing embryo toward endosperm to get nutrition ?
Correct : D. Suspensor
39. Development of male gametophyte begins
Correct : B. Before pollination
40. 2 to 3 celled male gametophyte, starts its further development after pollination
Correct : C. on the stigma
41. Which part of the male gametophyte, disintegrates before fertilization ?
Correct : B. Tube nucleus
42. Which of the following is the basal part of ovule ?
Correct : D. chalaza
43. In dicot embrogenesis, the firast division in zygote is generally
Correct : C. Transverse
44. Two male gametes are
Correct : B. Haploid
45. The innermost layer of the wall of microsporangium is called
Correct : C. Tapetum
46. Pollen grains represent
Correct : D. The male gametophyte
47. Tapetum provides
Correct : B. Nourishment to pollen grains
48. In triple fusion, how many male gamete participate ?
Correct : A. 1
49. Germpores are actually
Correct : C. Apertures in exine
50. Radicle tip is derived from
Correct : D. Hypophysis
51. How many haploid nuclei are involved in double fertilization ?
Correct : C. Five
52. Endothecium in anther helps in
Correct : A. Dehiscence of anther
53. The intine of a pollen grain is made up of
Correct : B. Pectin and cellulose
54. Which is the most resistant natural organic material ?
Correct : D. Sporopollenin
55. Style is
Correct : C. a delicate filament
56. Nucellus is mass of
Correct : A. Parenchymatous tisse
57. Which one of the following is the example of mitosis ?
Correct : B. Microsporogensis
58. Typical anther normally consists of
Correct : C. Two lobe Four sporangia
59. During the development of monosporic development of embryo sac the nucleus of the functional megaspore divides
Correct : B. Three times
60. Cross pollination has an advantage of
Correct : C. Genetic recombination
61. Unisexual flowers prevent
Correct : C. Self-pollination
62. The functionof the filiform apparatus is
Correct : B. To guide the entry of pollen tube
63. Which one of the following is an example of free-nuclear endosperm
Correct : A. Coconut water
64. The protective cover of the radicle in maize seed is called
Correct : D. Coleorhiza
65. In angiosperm the endosperm is formed
Correct : B. In the embryo sac
66. Stamen show homology with
Correct : C. Microsporophyll
67. The pedicel of the female flower coils after pollination in
Correct : C. Vallisneria
68. The arrangement of the ρ haploid nuclei in the normal dicot embryo sac is
Correct : B. 2 + 3 + 2
69. In the flowering plants, male and female gametes both are
Correct : B. Non-motile
70. Wind pollination requires that the pollen grains are
Correct : C. Light and dry
71. Future sporophytic generation in a seed is
Correct : D. Embryo
72. Scatelum is
Correct : D. a cotyledon
73. Which one of the following floats in the cytoplasm of the vegetative cell ?
Correct : B. Generatic cell
74. The mature pollen grain contains
Correct : C. 2 cells
75. Pollen tube is formed by
Correct : D. Intine
76. A single ovule produces
Correct : B. 1 female gamet
77. Embryo sac is formed inside
Correct : D. Ovule
78. Pro-embryo is a
Correct : B. 4 celled structure
79. Suspensor is made up of
Correct : D. 20 to 25 cells
80. Root cap of the embryo develops from
Correct : C. Hypophysis
81. The hilum of the ovule represents the junction between
Correct : D. Funicle and ovule
82. Which layer of the wall of microsporangium is made up of Fibrous layer
Correct : B. Endothecium
83. Out of the four sets of appendages of a typical flower the outer two sets are
Correct : C. Sterile
84. A proximal sterile part of the stamen is called
Correct : D. Filament
85. A sterile region present between stigma and ovary is called
Correct : B. Style
86. The opposite end of the micropylar region of an ovule is called
Correct : C. Chalaza
87. When pollen grains are not transferred from anthers to stigma in a flower, due to the physical barrier,
it is called
Correct : B. Herkogamy
88. The asexual production of seed is called
Correct : B. Apomixis
89. Perisperm is
Correct : D. persistant of nucleus
90. The root cell of wheat plant has 42 chromosomes. What would be the number of chromosomes in the synergid cell ?
Correct : A. 21
91. The plant part which consist of two generations, one within the other, is
Correct : C. Unfertilized ovule
92. The pollen tube usually enters the female gametophyte
Correct : A. through one of the synergid
93. Match A and B :
A B
(p) Simple diffusion (i) Uphill transport
(q) Faciliate diffusion (ii) Membrane protein that have a hydrophilic moiety.
(r) Active transport (iii) Membrane protein that have a hydrophabic moiety.
(s) Water potential. (iv) The potential energy.
(v) Passive transport
p q r s
Correct : C. (v) (ii) (i) (iv)
94. The pressure at which the entry of water across the semipermiable membrane stops is called .....
Correct : C. Osmotic pressure
95. What happens in this figure ?
Correct : D. Osmosis does not occur.
96. A .......... force exists between the walls of xylem vessels and water.
Correct : C. Adhesive
97. The process by which water is forcibly pushed beyond endodermis of root is known as ......... .
Correct : D. Transmembrane transport
98. By which type of transpiration largest amount of water is lost ?
Correct : C. Stomata
99. The value of osmotic pressure depends on .......... .
Correct : C. Concentration of solution
100. If the external solution is more dilute than the cytoplasm is known as .......... .