Question
Define spermiogenesis. Where does it occur?

Answer

Spermiogenesis is the formation of haploid, microscopic and functional spermatozoa (male gametes) from the spermatids. It takes place in the testes (male reproductive organ).

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Why do we prefer to call secondary waste water treatment as biological treatment?
What are untranslated regions (UTRs)?
What are hallucinogens? Give their two examples. Mention their clinical use, if any.
How is the milk production regulated by hormones in human female ? Explain.
  1. What is primary productivity? In what units could you express productivity?
  2. Explain the differences between net primary productivity and gross primary productivity.
A heavily bleeding and bruised road accident victim was brought to a nursing home. The doctor immediately gave him an injection to protect him against a deadly disease.
  1. What did the doctor inject into the patient's body?
  2. How do you think this injection would protect the patient against the disease?
  3. Name the disease against which this injection was given and the kind of immunity it provides.
Write the answer of questions based on given diagram.
Image
(i) In which cell does take place spermatogenesis? Write name.
(ii) Write the name of ‘a’ and ‘b’ cells. What is the difference in both of them based on chromosome number?
(iii)Mark the mitotic cell and write its name.
(iv) What is ‘f’ cell? Write its function also.
(v) To which structure does the above diagram belong? Write the name. 
Describe convergent evolution, taking an example from plants.

OR

Convergent evolution leads to analogous structures. Explain with the help of an example.

Some species of wasps were seen visiting a fig free repeatedly. What kind of interaction was observed between them and why.
What is called Atavism or reversion? Give any two examples of this.