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 & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
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