Discussion
Carotenoid pigments in birds come from _______________.
Answer: B
Carotenoid pigments in birds come from the food they consume. The passage says yellows, oranges and reds come from carotenoid or lipochrome pigments that originate at least in part from the food.
Offensive odour is a property of some preen gland secretions, and the porous layer of keratin and the laminated structure of the barbules give blue and iridescent colours.
The passage separates the sources of colour: melanins are made by the bird, carotenoids come from the food, and blue and iridescent colours come from the structure of the feather. This is why food is the answer and the structural features in the other options are not.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development