Astha observed that a pond with clear water was covered up with green algae within a week. By which method of reproduction did the algae spread so rapidly?

Budding

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Sexual reproduction

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Pollination Budding

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Fragmentation

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Solution

The correct option is D Fragmentation
In fragmentation parent body breaks down into two or more fragments. Each body fragment develops into an organism. Fragmentation is a sexual mode of reproduction and plant body can be fragmented into many parts and each part can develop into new plant so, through this method algae spread rapidly

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Similar questions

Astha observed that a pond with clear water was covered up with green algae within a week. By which method of reproduction did the algae spread so rapidly?

Lila obseved that a pond with clear water was covered up with a green algae within a week. By which method of reproduction did the algae spread so rapidly?
a) Budding
b) Sexual reproduction
c) Fragmentation
d) Pollination

Q. We all have seen water bodies, the water is generally clear but at places, the surface of water can be seen covered by green plants, known as Algae. The algae grows on the water surface because of the nutrients in the water body, how does this affect the life of the aquatic organisms?

Q. A student was given a spore sample to observe under the microscope. He observed and found that the sample is the most common type of spore involved in asexual reproduction in algae. Identify the spore.

A filamentous alga X is found in ponds, lakes and slow-moving streams. The filament of this alga simply breaks into two (or more) pieces on maturing and each piece then grows to become a complete new alga.
(a) Name an alga which X is likely to be.
(b) What is the colour of X?
(c) What is the method of forming new algae by the breaking of parent alga known as?
(d) An Amoeba also breaks up to form two daughter Amoebae. What is the difference in the splitting of Amoeba and splitting of this alga as a method of reproduction?
(e) Name one marine animal which reproduces in the same way as alga X.

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