The Open Door Web Site : Biology Questions :

The Open Door Web Site

Search
Site Map
> Biology
Chemistry
Physics
Electronics
Technology
History
History of Science and Technology
Study Guide
New
About
Gallery

Reproduction in Birds

Reference chapter

Question 2
HTML version
PDF version

The diagram below shows the body of a hen with the position of the ovary and the oviduct in her abdomen. The hen has only got one ovary and one oviduct. This is the same for most species of birds.

Hen's reproductive system

The labels A, B, C and D on the oviduct show the position of the egg and the time it has taken to travel down the oviduct.

Below are four diagrams showing the egg at four stages of its development:

Hen's Egg Development

1. Which stages of development 1, 2, 3 or 4 will be found at position A and position D?

2. Where will the hen's egg be fertilized by the cock's sperm? At position A, B, C or D?

3. On the egg at stage 3, what is the part labelled X?

4. On the egg at stage 3 there are thick strands of albumen on each side of the yolk. What do these strands do?

Top of Page

Questions and Quizzes Index

> Questions and Quizzes

Listings, Recognitions and Awards

EABJM Public Web Site