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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
The first land plants are
Binomial nomenclature was first introduced by _______
Agar-Agar is obtained from _____ algae.
Match the following.
| Cyanophyceae | Green algae |
| Chlorophyceae | Blue-green algae |
| Phaeophyceae | Red algae |
| Rhodophyceae | Brown algae |
Thallophyta, bryophyta and pteridophyta are called as ‘Cryptogams’. Gymnosperms and Angiosperms are called as ‘phanerogams’. Discuss why? Draw one example of Gymnosperm.
Assertion (A): Blue green algae are prokaryotes.
Reason (R): They do not have a true nucleus.
Blue-green algae are not placed under kingdom Protista whereas other algae are placed under it.
______ is a blue-green algae.
Polvsiohonia is a ______ alga.
______ is used in space travel.
______ is an edible algae.
Minute algae floating on the surface of the water are called ______.
______ got from algae is used to prepare growth medium in laboratories.
Agar-Agar is extracted from red algae.
Mention two forms of algae with examples.
Mention two salient features of algae.
