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Our Environment

Question

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What are the advantages of sexual reproduction over asexual reproduction?

Solution

Sexual reproduction incorporates the process of combining DNA from two different individuals during reproduction and creates variation among the offspring. Variations created in a population ensures the survival of species. It provides opportunities for new combination of characters, thus playing an important role in the origin of new species. In asexual reproduction very little variations occur within generations. Asexual reproduction has a lesser significance for evolution of species.

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?

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