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प्रश्न
Agar-Agar is obtained from _____ algae.
रिक्त स्थान भरें
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उत्तर
Agar-Agar is obtained from red algae.
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संबंधित प्रश्न
The first land plants are
Brown algae belongs to ______ class.
In polypetalae, the petals are free.
Match the following.
| Cyanophyceae | Green algae |
| Chlorophyceae | Blue-green algae |
| Phaeophyceae | Red algae |
| Rhodophyceae | Brown algae |
Which among the following has specialised tissue for conduction of water?
- Thallophyta
- Bryophyta
- Pteridophyta
- Gymnosperms
Assertion (A): Blue green algae are prokaryotes.
Reason (R): They do not have a true nucleus.
Polvsiohonia is a ______ alga.
Classification of algae was given by ______.
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:
