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प्रश्न
Define - Thallus.
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उत्तर
Thallus refers to a plant body that is not differentiated into roots, stems, and leaves. Example: Algae.
संबंधित प्रश्न
Floridian starch is a reserve food material of
Binomial nomenclature was first introduced by _______
Agar-Agar is obtained from _____ algae.
Pinus is a closed seeded plant.
Write the differences between algae and fungi.
Which among the following has specialised tissue for conduction of water?
- Thallophyta
- Bryophyta
- Pteridophyta
- Gymnosperms
Thallophyta, bryophyta and pteridophyta are called as ‘Cryptogams’. Gymnosperms and Angiosperms are called as ‘phanerogams’. Discuss why? Draw one example of Gymnosperm.
______ is a blue-green algae.
Polvsiohonia is a ______ alga.
Classification of algae was given by ______.
______ is an example of symbiosis between algae & fungi.
Agar-Agar is extracted from red algae.
The cell wall of algae is made up of a chemical substance called chitin.
In the members of Phaeophyceaе.
- Asexual reproduction occurs usually by biflagellate zoospores.
- Sexual reproduction is by oogamous method only.
- Stored food is in the form of carbohydrates which is either mannitol or laminarin.
- The major pigments found are chlorophyll a, c and carotenoids and xanthophyll.
- Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin.
Choose the correct answer from the options given below:
