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Questions and Answers
Which of the following is the part of the grafted plant that provides the root system?
Which of the following is an example of a plant that can be propagated from a stem cutting?
Which of the following is an example of a plant that can be propagated from a root cutting?
Which of the following is an example of a plant that can be propagated by layering?
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In honey bees, which individuals develop from unfertilized eggs through parthenogenesis?
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Which of the following is a form of asexual reproduction where an egg develops into a complete individual without being fertilized?
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What type of tissue in plants contains actively dividing cells that can give rise to new plant growth?
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Which part of a plant is a swollen underground stem that contains buds enclosed by dry scale-like leaves?
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What do plants like couch grass, bamboo, and ferns use for propagation where shoots become independent plants when the connecting structure dies?
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Which type of natural vegetative propagation involves a horizontal stem that grows along the surface of the ground and forms new plants with adventitious roots?
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Plants like strawberry and iris propagate through which of the following?
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Which type of tissue is essential for vegetative propagation to occur in plants?
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Which form of asexual reproduction involves the development of new plants from the vegetative parts of parent plants?
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In which organisms is fragmentation a common form of asexual reproduction?
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Which reproductive method involves the production of spores that can develop into new individuals?
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What is the structure at the tip of each hypha in fungi where spores are formed?
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Which of the following organisms does vegetative propagation NOT commonly occur in?
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What part of a parent plant is involved in vegetative propagation?
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Study Notes
Plant Propagation Methods
- The root system of a grafted plant is provided by the rootstock, which supports the scion.
- Plants like rose and geranium can be propagated from stem cuttings.
- Horseradish is an example of a plant that can be propagated from root cuttings, allowing new plants to grow from the roots.
- Layering is used to propagate plants like blackberry and pothos, where stems are buried to develop roots while still attached to the parent plant.
- In honey bees, drones develop from unfertilized eggs through parthenogenesis, producing only male offspring.
- Parthenogenesis is a form of asexual reproduction where an egg develops into a complete individual without fertilization.
Plant Growth and Development
- Meristematic tissue in plants contains actively dividing cells that can lead to new growth and development.
- A tuber is the swollen underground stem of a plant, such as a potato, containing buds enclosed by dry, scale-like leaves.
- Plants like couch grass, bamboo, and ferns utilize rhizomes for propagation, where shoots become independent plants after the connecting structure deteriorates.
- Runners, or stolons, are a form of natural vegetative propagation involving horizontal stems growing along the ground, forming new plants with adventitious roots, as seen in strawberry.
- Plants such as strawberry and iris propagate through stolons or runners effectively.
Asexual Reproduction in Organisms
- Adventitious roots are essential for vegetative propagation to occur in various plant species.
- Asexual reproduction involves the development of new plants from vegetative parts of parent plants, facilitating cloning.
- Fragmentation is a common asexual reproductive method in organisms like fungi, where parts of the organism can grow into new individuals.
- The production of spores by fungi represents another reproductive method, allowing the formation of new organisms from spores.
- The sporangium is the structure at the tip of each hypha in fungi where spores are formed.
Additional Notes
- Vegetative propagation is not commonly found in all organisms; certain plants and fungi rely on this method, while others do not.
- In vegetative propagation, parts of the parent plant, such as stems, roots, or leaves, are involved in generating new plants.
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Description
Test your knowledge on the vegetative parts of plants and the process of vegetative propagation. Learn about meristematic tissue and the different methods of natural and artificial vegetative propagation.
