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Our Environment

Question

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How will an organism be benefited if it reproduces through spores?

Solution

Sopres are covered by thick walls which protect the organisms from the unfavourable conditions untill they come into contact with suitable conditions like moist surface to grow.. The spores help the organisms tide over unfavourable conditions and thus the organism is benefites if it reproduces through spores.

Some More Questions From Our Environment Chapter

How are variations important?

What is the importance of DNA copying in reproduction?

Why is variation beneficial to the species but not necessarily for the individual?

Name the methods of asexual reproduction.

Name two organisms which reproduce by (a) budding (6) fragmentation and (c) spore formation.

Why cannot all multicellular organisms divide cell-by-cell like Spirogyra?

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.

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