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

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Solution

Spirogyra is an alga found in pond water. In the presence of water and nutrients, these algae grow and multiply rapidly by fragmentation. Algae can break up into two or more fragments and each of which grows into new individuals. This process covers a large area in a short span of time.

Figure : Fragmentation
So ,the correct option is c) Fragmentation

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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?

An alga which reproduction by the asexual method called fragmentation is :
(a) Rhizopus
(b) Salmonella
(c) Plasmodium
(d) Spirogyra

Q. Consider the following statements with respect to reproduction in the lower living organisms
(a) Organisms like yeast and Planaria reproduce asexually by means of budding
(b) True regeneration is observed in Hydra
(c) Protonema of mosses multiply by fragmentation
(d) In unicellular organisms like bacteria, algae, and Amoeba, reproduction is synonymous with growth, i.e., an increase in the number of cells.

Choose the correct statements about reproduction.

a) Reproduction produces progeny with more or less similar features to the parents.

b) Reproduction occurs by involving one parent (asexual) or two parents (sexual).

c) Budding and fragmentation are the types of asexual reproduction.

d) Reproduction is not observed in non-living organisms.

Budding is a method of asexual reproduction observed in ________ .

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Fragmentation

Standard VII Biology

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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

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