McqMate
Chapters
| 1. |
Plant embryo develops from. |
| A. | seed |
| B. | Fruit |
| C. | Zygote |
| D. | Flower |
| Answer» C. Zygote | |
| 2. |
Embryo of flowering plant is always - |
| A. | Haploid (n) |
| B. | Diploid (2n) |
| C. | Triploid (3n) |
| D. | Tetraploid (4n) |
| Answer» B. Diploid (2n) | |
| 3. |
Plant embryo is a mass of - |
| A. | cell |
| B. | Uncertain tissue |
| C. | Collection of plant tissues |
| D. | Miniature plant |
| Answer» D. Miniature plant | |
| 4. |
Stamen is a modification of |
| A. | Leaf |
| B. | Microsporophyll |
| C. | Megasporophyll |
| D. | Shoot |
| Answer» B. Microsporophyll | |
| 5. |
Zygote is formed inside the |
| A. | Stigma |
| B. | Style |
| C. | Female gametophyte |
| D. | Seed |
| Answer» C. Female gametophyte | |
| 6. |
A microspore is a |
| A. | Male gamate |
| B. | First cell of male gametophyte |
| C. | Last cell of male gametophyte |
| D. | Diploid cell |
| Answer» B. First cell of male gametophyte | |
| 7. |
An anther consists of |
| A. | one microsporangium |
| B. | four microsporangia |
| C. | Two microsporangia |
| D. | many microsporangia |
| Answer» B. four microsporangia | |
| 8. |
Cells of nucellus are always |
| A. | Haploid |
| B. | Triploid |
| C. | Diploid |
| D. | Enucleated |
| Answer» C. Diploid | |
| 9. |
The embryo sac is produced from |
| A. | Microscope |
| B. | Zygote |
| C. | Egg cell |
| D. | Megaspore |
| Answer» D. Megaspore | |
| 10. |
An egg-apparatus contains |
| A. | An egg + two antipodal |
| B. | An egg + Secondary nucleus |
| C. | An egg + Two synergids |
| D. | Antipodal cell + synergid |
| Answer» C. An egg + Two synergids | |
| 11. |
In angiosperm the endosperm nucleus is |
| A. | Triploid |
| B. | Diploid |
| C. | Tetraploid |
| D. | Haploid |
| Answer» A. Triploid | |
| 12. |
Female gametophyte is also known as |
| A. | ovule |
| B. | egg-apparatus |
| C. | Nucellus |
| D. | Embryo sac |
| Answer» D. Embryo sac | |
| 13. |
Embryo sac contains |
| A. | 3 egg |
| B. | 2 eggs |
| C. | 1 egg |
| D. | 4 eggs |
| Answer» C. 1 egg | |
| 14. |
Carpel is formed of |
| A. | Two part |
| B. | Three part |
| C. | Four part |
| D. | Seven part |
| Answer» B. Three part | |
| 15. |
The arrangement of flowers on the flora axis is known as |
| A. | Venation |
| B. | Phyllotaxy |
| C. | Anthology |
| D. | Aestivation |
| Answer» C. Anthology | |
| 16. |
The unit of female reproductive body in flower is |
| A. | Carpel |
| B. | Megasporangium |
| C. | Ovule |
| D. | Ovary |
| Answer» A. Carpel | |
| 17. |
After fertilization the ovule develops into |
| A. | Endosperm |
| B. | seed |
| C. | Embryo sac |
| D. | Fruit |
| Answer» B. seed | |
| 18. |
Fruit is a modification of |
| A. | Female gametophyte |
| B. | ovary |
| C. | carpel |
| D. | Nucellus |
| Answer» B. ovary | |
| 19. |
The seed coat develops from |
| A. | Embryo sac |
| B. | Inner integument |
| C. | Nucellus |
| D. | Outer integument |
| Answer» D. Outer integument | |
| 20. |
Nucellus in seed is represented by |
| A. | Testa |
| B. | Peri carp |
| C. | Tagmen |
| D. | Seed Coat |
| Answer» B. Peri carp | |
| 21. |
Pollen grain are produced in |
| A. | Nucellu |
| B. | Stigma |
| C. | Anther |
| D. | Chalaza |
| Answer» C. Anther | |
| 22. |
Ovule is attached to the placenta by |
| A. | pedical |
| B. | Hilum |
| C. | Funicle |
| D. | petiole |
| Answer» C. Funicle | |
| 23. |
Pollen tube enters the embryo sac through |
| A. | Integument |
| B. | Micropyle |
| C. | chalaza |
| D. | Funicle |
| Answer» B. Micropyle | |
| 24. |
Pollen tube, entering in embryo sac has |
| A. | 3 male gamete |
| B. | 1 male gametes |
| C. | 2 male gametes |
| D. | 4 male gametes |
| Answer» C. 2 male gametes | |
| 25. |
In flowering plants, fertilization occur in |
| A. | Ovary |
| B. | Embryo sac |
| C. | Nucellus |
| D. | Ovule |
| Answer» B. Embryo sac | |
| 26. |
The formation of zygote without the act of syngamy is called |
| A. | Poly embryon |
| B. | Parthenogenesis |
| C. | Budding |
| D. | Apospory |
| Answer» B. Parthenogenesis | |
| 27. |
Which phase of life cycle is dominant in the individuals of angiosperms ? |
| A. | Gametophyte |
| B. | Growth phase |
| C. | Sporophyte |
| D. | Development phase |
| Answer» C. Sporophyte | |
| 28. |
The process by which seedless fruits are produced are known as |
| A. | Parthenocarpy |
| B. | Apogamy |
| C. | Parthenogenesis |
| D. | Apospory |
| Answer» A. Parthenocarpy | |
| 29. |
A flower is |
| A. | Modified stem |
| B. | Modified leaf |
| C. | Modified branch |
| D. | Modified shoot |
| Answer» D. Modified shoot | |
| 30. |
A flower is specially formed for |
| A. | decoration |
| B. | photosynthesis |
| C. | reproduction |
| D. | fragrance |
| Answer» C. reproduction | |
| 31. |
Pollen tube enters the micropyle into through |
| A. | Female gamet |
| B. | Ovary |
| C. | Female gametophyte |
| D. | Nucellus |
| Answer» C. Female gametophyte | |
| 32. |
Embryo develops from |
| A. | Egg cell |
| B. | Zygote |
| C. | Egg-apparatus |
| D. | Synergids |
| Answer» B. Zygote | |
| 33. |
Fertilized secondary necleus develops into |
| A. | Fruit |
| B. | Embryo |
| C. | seed |
| D. | Endosperm |
| Answer» D. Endosperm | |
| 34. |
Transfer of pollen to the stigma is called |
| A. | Fertilization |
| B. | Germination |
| C. | pollination |
| D. | Gametogenesis |
| Answer» C. pollination | |
| 35. |
In ficus pollination occurs through |
| A. | Water |
| B. | Air |
| C. | Bat |
| D. | Insects |
| Answer» D. Insects | |
| 36. |
After fertilization seed is developed from |
| A. | Embryo |
| B. | Embryo sac |
| C. | Ovule |
| D. | Zygote |
| Answer» C. Ovule | |
| 37. |
Cross pollination is normally |
| A. | not beneficial |
| B. | harmful |
| C. | more beneficial |
| D. | rarely seen |
| Answer» C. more beneficial | |
| 38. |
Pollen grains germinate on |
| A. | Any surface |
| B. | Stigma |
| C. | soil |
| D. | Ovule |
| Answer» B. Stigma | |
| 39. |
An anther is also called |
| A. | Sporangium |
| B. | Megasporangium |
| C. | Microsporangium |
| D. | Stamen |
| Answer» C. Microsporangium | |
| 40. |
The source of food for developing embryo is |
| A. | Nucellu |
| B. | Ovule |
| C. | Endosperm |
| D. | Anther |
| Answer» C. Endosperm | |
| 41. |
Out of megaspore tetrad, the functional megaspore is |
| A. | Any megaspore |
| B. | middle megaspore |
| C. | Micropylar megaspore |
| D. | Chalazal megaspore |
| Answer» D. Chalazal megaspore | |
| 42. |
Micropylar end lacks |
| A. | Egg cell |
| B. | Synergids |
| C. | Egg-apparatus |
| D. | Integument |
| Answer» D. Integument | |
| 43. |
The larger cell of a pollen grain with irregular shaped nucleus is |
| A. | Apical cell |
| B. | Generative cell |
| C. | Vegetative cel |
| D. | Basal cell |
| Answer» C. Vegetative cel | |
| 44. |
How many megaspore mothe cell are produced in a nucellus ? |
| A. | 3 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» B. 1 | |
| 45. |
How many cells are formed in a mature female gametophyte ? |
| A. | Eight |
| B. | Six |
| C. | Two |
| D. | Seven |
| Answer» D. Seven | |
| 46. |
Transfer of a pollen grain to the stigma of the same plant is called |
| A. | Antogamy |
| B. | Geitonogamy |
| C. | Allogamy |
| D. | Homogamy |
| Answer» B. Geitonogamy | |
| 47. |
The uppermost and largest cell of the suspensor which remains in contact with apical cells is called |
| A. | Hypocotyl |
| B. | Basal cell |
| C. | Hypophysis |
| D. | Terminal cell |
| Answer» C. Hypophysis | |
| 48. |
The adaptation for self-pollination is |
| A. | Herkogamy |
| B. | Cleistogamy |
| C. | Dichrgamy |
| D. | Homogamy |
| Answer» B. Cleistogamy | |
| 49. |
Which of the following cell is diploid? |
| A. | Synergid |
| B. | Antipodal cell |
| C. | Secondary nucleus |
| D. | Egg cell |
| Answer» C. Secondary nucleus | |
| 50. |
Suspensor is produced from |
| A. | Apical cell |
| B. | Small upper basal cell |
| C. | large lower basal cell |
| D. | Hypophysis |
| Answer» B. Small upper basal cell | |
| 51. |
Which structure pushes the developing embryo toward endosperm to get nutrition ? |
| A. | Hypophysi |
| B. | Terminal octant |
| C. | Proembryo |
| D. | Suspensor |
| Answer» D. Suspensor | |
| 52. |
Development of male gametophyte begins |
| A. | After pollinatio |
| B. | Before pollination |
| C. | On the stigma |
| D. | In the embryo sac |
| Answer» B. Before pollination | |
| 53. |
2 to 3 celled male gametophyte, starts its further development after pollination |
| A. | In the style |
| B. | In the ovary |
| C. | on the stigma |
| D. | In the ovule |
| Answer» C. on the stigma | |
| 54. |
Which part of the male gametophyte, disintegrates before fertilization ? |
| A. | Generative nucleu |
| B. | Tube nucleus |
| C. | Male gamete |
| D. | Germpore |
| Answer» B. Tube nucleus | |
| 55. |
Which of the following is the basal part of ovule ? |
| A. | placenta |
| B. | Hilum |
| C. | Micropyle |
| D. | chalaza |
| Answer» D. chalaza | |
| 56. |
In dicot embrogenesis, the firast division in zygote is generally |
| A. | oblique |
| B. | longitudinal |
| C. | Transverse |
| D. | uncertain |
| Answer» C. Transverse | |
| 57. |
Two male gametes are |
| A. | produced before pollination |
| B. | Haploid |
| C. | Diploid |
| D. | At the time of pollination |
| Answer» B. Haploid | |
| 58. |
The innermost layer of the wall of microsporangium is called |
| A. | Endothecium |
| B. | Endodermis |
| C. | Tapetum |
| D. | Intine |
| Answer» C. Tapetum | |
| 59. |
Pollen grains represent |
| A. | The future sporophyte |
| B. | The sporophyte |
| C. | The gametophyte |
| D. | The male gametophyte |
| Answer» D. The male gametophyte | |
| 60. |
Tapetum provides |
| A. | protection to embryo |
| B. | Nourishment to pollen grains |
| C. | Nourishment to embryo |
| D. | Protection to endosperm |
| Answer» B. Nourishment to pollen grains | |
| 61. |
In triple fusion, how many male gamete participate ? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» A. 1 | |
| 62. |
Germpores are actually |
| A. | Apertures in intine |
| B. | Thick area in intine |
| C. | Apertures in exine |
| D. | Thin area in intine |
| Answer» C. Apertures in exine | |
| 63. |
Radicle tip is derived from |
| A. | Suspensor |
| B. | Proembryo |
| C. | Basal cell |
| D. | Hypophysis |
| Answer» D. Hypophysis | |
| 64. |
How many haploid nuclei are involved in double fertilization ? |
| A. | Four |
| B. | Two |
| C. | Five |
| D. | Three |
| Answer» C. Five | |
| 65. |
Endothecium in anther helps in |
| A. | Dehiscence of anther |
| B. | Nutrition to pollen |
| C. | Germination of pollen |
| D. | Formation of male gamete |
| Answer» A. Dehiscence of anther | |
| 66. |
The intine of a pollen grain is made up of |
| A. | Lignin and suberin |
| B. | Pectin and cellulose |
| C. | Lignin and Hemicellulose |
| D. | Pectin and callose |
| Answer» B. Pectin and cellulose | |
| 67. |
Which is the most resistant natural organic material ? |
| A. | Cellulose |
| B. | Pectin |
| C. | Suberin |
| D. | Sporopollenin |
| Answer» D. Sporopollenin | |
| 68. |
Style is |
| A. | a is delicate hollow tube |
| B. | a tough hollow tube |
| C. | a delicate filament |
| D. | called pollen tube |
| Answer» C. a delicate filament | |
| 69. |
Nucellus is mass of |
| A. | Parenchymatous tisse |
| B. | Sclerenchymatous tissue |
| C. | Meristematic tissue |
| D. | Collenchymatous tissue |
| Answer» A. Parenchymatous tisse | |
| 70. |
Which one of the following is the example of mitosis ? |
| A. | Megasporongensi |
| B. | Microsporogensis |
| C. | Pollen formation |
| D. | Division of generative cell |
| Answer» B. Microsporogensis | |
| 71. |
Typical anther normally consists of |
| A. | One lobe Four sporangia |
| B. | Two lobe Two sporangia |
| C. | Two lobe Four sporangia |
| D. | One lobe Two sporangia |
| Answer» C. Two lobe Four sporangia | |
| 72. |
During the development of monosporic development of embryo sac the nucleus of the functional megaspore divides |
| A. | Two time |
| B. | Three times |
| C. | One time |
| D. | Repeatedly |
| Answer» B. Three times | |
| 73. |
Cross pollination has an advantage of |
| A. | Mutatio |
| B. | polyploidy formation |
| C. | Genetic recombination |
| D. | Crossing over |
| Answer» C. Genetic recombination | |
| 74. |
Unisexual flowers prevent |
| A. | Pollination |
| B. | Breeding |
| C. | Self-pollination |
| D. | Cross fertilization |
| Answer» C. Self-pollination | |
| 75. |
The functionof the filiform apparatus is |
| A. | To nourish the pollen grain |
| B. | To guide the entry of pollen tube |
| C. | To develop pollen tube |
| D. | To carry pollen tube through style |
| Answer» B. To guide the entry of pollen tube | |
| 76. |
Which one of the following is an example of free-nuclear endosperm |
| A. | Coconut water |
| B. | Castor |
| C. | Sugarcane juice |
| D. | Groundnut |
| Answer» A. Coconut water | |
| 77. |
The protective cover of the radicle in maize seed is called |
| A. | Micorhiza |
| B. | Coleptile |
| C. | Scutelum |
| D. | Coleorhiza |
| Answer» D. Coleorhiza | |
| 78. |
In angiosperm the endosperm is formed |
| A. | In the nucellu |
| B. | In the embryo sac |
| C. | In the seed |
| D. | In the anther |
| Answer» B. In the embryo sac | |
| 79. |
Stamen show homology with |
| A. | Gametophyte |
| B. | male cone |
| C. | Microsporophyll |
| D. | Sporangium |
| Answer» C. Microsporophyll | |
| 80. |
The pedicel of the female flower coils after pollination in |
| A. | Lotu |
| B. | Hydrilla |
| C. | Vallisneria |
| D. | Trapa |
| Answer» C. Vallisneria | |
| 81. |
The arrangement of the ρ haploid nuclei in the normal dicot embryo sac is |
| A. | 2 + 3 + 3 |
| B. | 2 + 3 + 2 |
| C. | 3 + 3 + 2 |
| D. | 3 + 2 + 3 |
| Answer» B. 2 + 3 + 2 | |
| 82. |
In the flowering plants, male and female gametes both are |
| A. | Motile |
| B. | Non-motile |
| C. | Diploid |
| D. | Very large |
| Answer» B. Non-motile | |
| 83. |
Wind pollination requires that the pollen grains are |
| A. | Heavy and we |
| B. | Heavy and non-sticky |
| C. | Light and dry |
| D. | Heavy and sticky |
| Answer» C. Light and dry | |
| 84. |
Future sporophytic generation in a seed is |
| A. | Cotyledon |
| B. | Endosperm |
| C. | Hypocotyl |
| D. | Embryo |
| Answer» D. Embryo | |
| 85. |
Scatelum is |
| A. | an endosperm |
| B. | a seed coat |
| C. | an embryo |
| D. | a cotyledon |
| Answer» D. a cotyledon | |
| 86. |
Which one of the following floats in the cytoplasm of the vegetative cell ? |
| A. | Male gamete |
| B. | Generatic cell |
| C. | Female gamete |
| D. | Microspore |
| Answer» B. Generatic cell | |
| 87. |
The mature pollen grain contains |
| A. | 3 cell |
| B. | 7 cells |
| C. | 2 cells |
| D. | 1 cell |
| Answer» C. 2 cells | |
| 88. |
Pollen tube is formed by |
| A. | Germ pore |
| B. | Exine |
| C. | Style |
| D. | Intine |
| Answer» D. Intine | |
| 89. |
A single ovule produces |
| A. | 3 female gamete |
| B. | 1 female gamet |
| C. | 2 female gamete |
| D. | 4 female gamete |
| Answer» B. 1 female gamet | |
| 90. |
Embryo sac is formed inside |
| A. | Seed |
| B. | Endosperm |
| C. | Embryo |
| D. | Ovule |
| Answer» D. Ovule | |
| 91. |
Pro-embryo is a |
| A. | 8 celled structure |
| B. | 4 celled structure |
| C. | 2 celled structure |
| D. | 16 celled structure |
| Answer» B. 4 celled structure | |
| 92. |
Suspensor is made up of |
| A. | 2 to 4 cell |
| B. | 4 to 8 cells |
| C. | 8 to 16 cells |
| D. | 20 to 25 cells |
| Answer» D. 20 to 25 cells | |
| 93. |
Root cap of the embryo develops from |
| A. | Basal cell |
| B. | Apical cell |
| C. | Hypophysis |
| D. | Hypocotyl |
| Answer» C. Hypophysis | |
| 94. |
The hilum of the ovule represents the junction between |
| A. | Nucellus and Embryo |
| B. | Nucellus and Integuments |
| C. | Funicle and Integuments |
| D. | Funicle and ovule |
| Answer» D. Funicle and ovule | |
| 95. |
Which layer of the wall of microsporangium is made up of Fibrous layer |
| A. | Middle layer |
| B. | Endothecium |
| C. | Tapetum |
| D. | Epidermis |
| Answer» B. Endothecium | |
| 96. |
Out of the four sets of appendages of a typical flower the outer two sets are |
| A. | Fertile |
| B. | Reproductive |
| C. | Sterile |
| D. | Filamentous |
| Answer» C. Sterile | |
| 97. |
A proximal sterile part of the stamen is called |
| A. | Style |
| B. | Connective |
| C. | Anther |
| D. | Filament |
| Answer» D. Filament | |
| 98. |
A sterile region present between stigma and ovary is called |
| A. | Pollen tube |
| B. | Style |
| C. | Filament |
| D. | Suspensor |
| Answer» B. Style | |
| 99. |
The opposite end of the micropylar region of an ovule is called |
| A. | Embryo sac |
| B. | Nucellus |
| C. | Chalaza |
| D. | Thalamus |
| Answer» C. Chalaza | |
| 100. |
When pollen grains are not transferred from anthers to stigma in a flower, due to the physical barrier, it is called |
| A. | Cleistogamy |
| B. | Herkogamy |
| C. | Dichogamy |
| D. | Heterogamy |
| Answer» B. Herkogamy | |
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