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- #Class 11
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Choose the wrong statement about algae from the following:
Vascular plants
Chlorophyll bearing
Reserve food material being starch
All of these
Answers (1)
Algae and their characteristics -
-
Algae are chlorophyll - bearing, thalloid, avascular plants and are usually aquatic.
- Eg. Chlamydomonas, Volvox.
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Some of them form lichens along with fungi, some are epizoic on shells and sloth bear (algae Trichophilus welckeri). Some are present on moist stones, wood and soil.
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Vegetative reproduction occurs by fragmentation.
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Asexual reproduction occurs with the help of motile zoospores containing flagella.
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Sexual reproduction takes place by syngamy i.e. fusion of gametes.
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Syngamy can be isogamy when fusing gametes are similar, anisogamy when fusing gametes are dissimilar or oogamy when female gamete is larger and non-motile while male gamete is smaller and motile.
Algae are thallophytes. They do not contain vascular tissues.
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