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Our Environment
Question
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What happens when a mature spirogyra filament attains considerable length?

Answer

When the mature filament of a spirogyra attains considerable length the filament breaks up into smaller fragments or pieces, and each fragment grows into a new filament/individual.

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Some More Questions From Our Environment Chapter

Write names of five plants in which stem is used to produce a new plant.

Give one example of plant which uses leaves for propagation. Draw propagation organ.

List four methods of vegetative propagation which are exploited by man in propagating plants in garden and nurseries.

Write five names of plants which are usually propagated by cutting method.

Name a ornamental plant which is grown by the vegetaive propagation of stem. 

What are the different types of asexual reproduction?

Describe the binary and multiple modes of asexual reproduction in organisms.

Explain budding, spore formation, regeneration and fragmentation modes of asexual reproduction.

What are the advantages of vegetative reproduction?

Why is it considered better to grow a rose from cutting rather than from seeds?