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प्रश्न
Explain briefly the following term with a suitable example:
Isogamy
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उत्तर
Isogamy is a kind of sexual reproduction in which two identical gametes fuse together. When sexual reproduction occurs, the gametes, such as those found in spirogyra (algae), exhibit equivalent motility and are comparable in size and shape.
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संबंधित प्रश्न
What is the basis of classification of algae?
Write a note on the economic importance of algae.
Differentiate between the following:
Red algae and Brown algae
Mark the correct one as:
Assertion: Algae are heterotrophic.
Reason: They do not have chlorophyll.
‘Grass of water’ refers to ______.
Phycoerythirini s a blue pigment.
Name the pigments found in algae.
In ______, the cell wall is made up of polysulphate esters.
Which of the following algae produces Carrageen?
Which of the following algae contains mannitol as reserve food material?
The main pigment in Phaeophyceae (Brown algae) is ______.
Holdfast, stipe and frond constitutes the plant body in case of ______.
Food is stored as Floridean starch in Rhodophyceae. Mannitol is the reserve food material of which group of algae?
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:
