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Question
How many of the following statement(s) is/are true for bryophytes?
I. They grow mostly in moist areas.
II. They have an undifferentiated plant body.
III. The rhizoids help in reproduction.
How many of the following statement(s) is/are true for bryophytes?
I. They grow mostly in moist areas.
II. They have an undifferentiated plant body.
III. The rhizoids help in reproduction.
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Solution
The correct option is B I and II
Bryophytes are moss-like plants that grow in moist, shaded areas and on hills. In bryophytes, the plant-body is undifferentiated and is thallus-like. They do not have true roots, stem or leaves but may bear root-like, stem-like, and leaf-like structures. The undifferentiated thallus can be prostrate or erect. In a prostrate thallus, the thallus has a downward position and is stretched on the ground. In an erect thallus, the plant body is upright and differentiated into rhizoid, axis, and leaf-like structures. The rhizoids anchor the plant to the substratum. In plants, such as liverworts and mosses, rhizoids attach the plant body to the substratum and also help in the absorption of minerals and water.
Bryophytes are moss-like plants that grow in moist, shaded areas and on hills. In bryophytes, the plant-body is undifferentiated and is thallus-like. They do not have true roots, stem or leaves but may bear root-like, stem-like, and leaf-like structures. The undifferentiated thallus can be prostrate or erect. In a prostrate thallus, the thallus has a downward position and is stretched on the ground. In an erect thallus, the plant body is upright and differentiated into rhizoid, axis, and leaf-like structures. The rhizoids anchor the plant to the substratum. In plants, such as liverworts and mosses, rhizoids attach the plant body to the substratum and also help in the absorption of minerals and water.
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