Q. No.Transfer of pollens from the anther to the stigma of the same flower is called:
| 1. | Autogamy | 2. | Geitonogamy |
| 3. | Xenogamy | 4. | Cleistogamy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the correct statement from the following:
| 1. | Cleistogamous flowers always exhibit autogamy |
| 2. | Chasmogamous flowers always exhibit geitonogamy |
| 3. | Cleistogamous flowers exhibit both autogamy and geitonogamy |
| 4. | Chasmogamous flowers never exhibit autogamy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGeitonogamy is:
| 1. | Functionally cross–pollination but genetically autogamy |
| 2. | Functionally autogamy but genetically cross-pollination |
| 3. | Functionally and genetically autogamy |
| 4. | Functionally and genetically cross-pollination |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe only type of pollination which during pollination brings a genetically different type of pollen grains to the stigma is:
| 1. | Chasmogamy | 2. | Cleistogamy |
| 3. | Geitonogamy | 4. | Xenogamy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWind-pollinated flowers are characterized by the following, except:
| 1. | Light and non-sticky pollen grains |
| 2. | Well-exposed stamens |
| 3. | Many ovules in each ovary |
| 4. | Large, often-feathery stigma |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe majority of water plants like water hyacinth and water lily are pollinated by:
| 1. | Water | 2. | Wind |
| 3. | Insects | 4. | Both 2 and 3 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
1. Pollination by water in Vallisneria
2. Pollination by water in Zostera
3. Pollination by wind in Water hyacinth
4. Pollination by the wind in Water lily
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFrom among the situations given below, choose the one that prevents both autogamy and geitonogamy.
| 1. | Monoecious plant bearing unisexual flowers |
| 2. | Dioecious plant bearing only male or female flowers |
| 3. | Monoecious plant with bisexual flowers |
| 4. | Dioecious plant with bisexual flowers |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhether a pollen grain will be able to germinate on a stigma is primarily decided by:
| 1. | The stage at which the pollen is shed |
| 2. | Recognition by the stigma |
| 3. | Maturity of the egg cell in the embryosac |
| 4. | Environmental conditions |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is/are a marine plant pollinated by water?
| 1. | Vallisneria | 2. | Hydrilla |
| 3. | Zostera | 4. | Both 1 and 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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