Question
Download Solution PDFPlants having naked seeds are
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AMRU HP BSc Nursing Admission Test 7 July 2024 Official Paper
Answer (Detailed Solution Below)
Option 2 : Gymnosperms
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Download Solution PDFCorrect Answer: Gymnosperms
Rationale:
- Gymnosperms are a group of seed-producing plants that have "naked seeds," meaning their seeds are not enclosed within a fruit. The term "gymnosperm" comes from the Greek words "gymnos" (naked) and "sperma" (seed).
- These plants include conifers such as pines, spruces, and firs. They reproduce by producing seeds that develop on the surface of scales or leaves, often modified to form cones.
- Gymnosperms are important both ecologically and economically. They are often dominant species in forest ecosystems and provide valuable resources like wood, paper, and resins.
Explanation of Other Options:
Angiosperms
- Rationale: Angiosperms, also known as flowering plants, produce seeds that are enclosed within a fruit. This is a key distinction from gymnosperms. The fruit develops from the ovary after fertilization and helps protect the seeds and aid in their dispersal.
Pteridophytes
- Rationale: Pteridophytes, or ferns and their relatives, do not produce seeds at all. Instead, they reproduce via spores. These spores are typically produced on the undersides of the fronds (leaves) and are dispersed by wind or water.
Bryophytes
- Rationale: Bryophytes, which include mosses, liverworts, and hornworts, also do not produce seeds. They reproduce through spores and have a life cycle that includes a prominent gametophyte stage. Bryophytes are non-vascular plants, meaning they lack specialized tissues for water and nutrient transport.
Conclusion:
- Among the given options, Gymnosperms are the plants that produce naked seeds. This characteristic distinguishes them from Angiosperms, which have seeds enclosed within a fruit, and from Pteridophytes and Bryophytes, which do not produce seeds at all.
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