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Our Environment
Question
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State the role of placenta in the development of embryo. 

Answer

The placenta plays the following role in the development of embryo:
i. Provides oxygen and nutrients to your growing baby
ii.It moves waste products from your baby's blood and helps in excretion.

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Some More Questions From Our Environment Chapter

How is the problem of dobling of the amount of DNA solved ?

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?