Which feature distinguishes the mature red blood cells of birds from those of mammals?
Correct answer: B. They retain a nucleus
- A. They lack haemoglobin
- B. They retain a nucleus
- C. They are always spherical
- D. They contain no cell membrane
Explanation
Mature avian erythrocytes are oval and retain their nuclei, unlike mature mammalian red blood cells. They also contain haemoglobin and a normal cell membrane, so the other choices are incorrect.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Poultry Science
Covers the breeds, anatomy, physiology, nutrition, housing, breeding, incubation and management of chickens and other domestic poultry. It includes brooding, vaccination, biosecurity, egg formation and quality, meat and egg production, common diseases, and the distinction between layer and broiler management.
Practise Poultry Science
60 free Poultry Science MCQs from Veterinary Science, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Veterinary Science questions like this
Veterinary Science is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Poultry Science questions
What is the main method by which a chicken loses body heat during severe heat stress?
Which part of the hen's oviduct receives the ovulated ovum and may be the site of fertilization?
Which breed is widely recognized as a specialized commercial egg-laying chicken breed?
A deficiency of vitamin A in poultry most commonly causes which general problem?
Which feed ingredient is a major source of energy in a conventional poultry ration?
Which vaccination route is commonly used to administer live Newcastle disease vaccine to chickens?