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Question:
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
Updated On: Aug 1, 2022
- cotyledon
- endosperm
- aleurone layer
- plumule.
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The Correct Option is A
Solution and Explanation
Scutellum is the tissue in a grass or wheat or maize seed that lies between the embryo and the endosperm. It is the modified cotyledon, being specialized for the digestion and absorption of the endospserm.
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Concepts Used:
Seed
The matured and fertilized ovule, which comprises an active embryo reserve food and protective coating, is referred to as a seed. Seeds are ripened ovules that contain an embryonic plant with sufficient reserve food for embryo development. Ovules evolve into seeds after fertilization.
Types of Seed:
- Monocotyledonous seeds: Seeds having only one cotyledon, called monocotyledonous seeds.
- Dicotyledonous seeds: Seeds with two cotyledons, called dicotyledonous seeds.
- Albuminous seeds: Seeds having an endosperm. These seeds have thin membrane cotyledons and endosperm that hold on and feed the seedling during its early growth.
- Exalbuminous seeds: Food gathers in the endosperm tissue of exalbuminous seeds early in development, but it is utilized by the growing embryo and mature seeds without endosperm.
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