List two functions performed by the testis in human beings.

Solution

Two functions performed by the testis in human beings are:
i) It produces the male hormone, which is responsible for the secondary sexual changes in males.
ii) It produces sperms, required for fertilisation.

Some More Questions From Our Environment Chapter

Name the methods of asexual reproduction.

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

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Our Environment

List two functions performed by the testis in human beings.

Some More Questions From Our Environment Chapter

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.

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?

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