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What is common is Bryophyllum, Sansevieria and Lilium?
- a)All are members of family liliaceae.
- b)All reproduce only sexually.
- c)All reproduce through leaves vegetatively.
- d)All lack heterospory.
Correct answer is option 'C'. Can you explain this answer?
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What is common is Bryophyllum, Sansevieria and Lilium?a)All are membe...
Higher plants like angiosperms are capable of vegetative (asexual) as well as sexual reproduction. During sexual reproduction, two types of spores are produced -microspores and megaspores, i.e., angiosperms show heterospory. The two types of spores produce two types of gametophytes i.e., male and female gametophyte, which will ultimately produce two types of gametes- male and female. The gametes fuse to form zygote. Vegetative reproduction can be carried out by modified root, stem and leaf. Some of the important plants, that can be propagated vegetatively by leaf cuttings are African violet (Saintpaulia ionantha), Begonia spp., Bryophyllum spp., Crassula spp., Kalanchoe spp., lily (Lilium longiflorum and L. candidum), Oxalis spp., Peperomia spp., Sedum spp., snake plant (Sansevieria trifasciata), sweet potato, wax plant (Hoya carnosa). Generally, these plants have thick leaves. Jasmine or sampaguita (Jasminum sambac) and spotted dracaena (Dracaena godseffiana) have also been propagated experimentally by leaf cuttings.
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What is common is Bryophyllum, Sansevieria and Lilium?a)All are membe...
Common Characteristics of Bryophyllum, Sansevieria, and Lilium
Bryophyllum, Sansevieria, and Lilium are distinct plants that share a common reproductive feature:
Vegetative Reproduction through Leaves
- All three plants have the ability to reproduce vegetatively through their leaves.
- Bryophyllum: Known for its unique method of reproduction, Bryophyllum can produce new plants from the notches along its leaves. Each notch can give rise to a new plantlet.
- Sansevieria: Also called snake plant, it can propagate through leaf cuttings. When leaves are cut and planted in soil, they can develop roots and grow into new plants.
- Lilium: Although primarily known for sexual reproduction through seeds, certain species can produce bulblets in the leaf axils, which can grow into new plants.
Why Other Options are Incorrect
- Option A: All are members of family Liliaceae.
- While Lilium belongs to the Liliaceae family, Bryophyllum is part of Crassulaceae, and Sansevieria belongs to Asparagaceae.
- Option B: All reproduce only sexually.
- This is incorrect as all three can reproduce vegetatively, as explained above.
- Option D: All lack heterospory.
- Heterospory refers to the production of two distinct types of spores. While Lilium does not exhibit heterospory, it is not applicable to the reproductive characteristics of Bryophyllum and Sansevieria.
In conclusion, the commonality among Bryophyllum, Sansevieria, and Lilium lies in their ability to reproduce vegetatively through their leaves, making option 'C' the correct answer.
Bryophyllum, Sansevieria, and Lilium are distinct plants that share a common reproductive feature:
Vegetative Reproduction through Leaves
- All three plants have the ability to reproduce vegetatively through their leaves.
- Bryophyllum: Known for its unique method of reproduction, Bryophyllum can produce new plants from the notches along its leaves. Each notch can give rise to a new plantlet.
- Sansevieria: Also called snake plant, it can propagate through leaf cuttings. When leaves are cut and planted in soil, they can develop roots and grow into new plants.
- Lilium: Although primarily known for sexual reproduction through seeds, certain species can produce bulblets in the leaf axils, which can grow into new plants.
Why Other Options are Incorrect
- Option A: All are members of family Liliaceae.
- While Lilium belongs to the Liliaceae family, Bryophyllum is part of Crassulaceae, and Sansevieria belongs to Asparagaceae.
- Option B: All reproduce only sexually.
- This is incorrect as all three can reproduce vegetatively, as explained above.
- Option D: All lack heterospory.
- Heterospory refers to the production of two distinct types of spores. While Lilium does not exhibit heterospory, it is not applicable to the reproductive characteristics of Bryophyllum and Sansevieria.
In conclusion, the commonality among Bryophyllum, Sansevieria, and Lilium lies in their ability to reproduce vegetatively through their leaves, making option 'C' the correct answer.
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What is common is Bryophyllum, Sansevieria and Lilium?a)All are members of family liliaceae.b)All reproduce only sexually.c)All reproduce through leaves vegetatively.d)All lack heterospory.Correct answer is option 'C'. Can you explain this answer?
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