Question

Remiges are
A. Flight feathers of wings
B. Flight feathers of tail
C. Small feathers similar to quills
D. Small feathers that cover the body

Answer 1

Hint: Feathers are the epidermal growth of the skin which is distinctive in nature, and are a hairy life structure. They are an example of novelty of complex evolution. Feathers help in maintaining the body temperature of the bird through insulation, and also in flying.

Complete answer:
> Option A:
Remiges are the flight feathers which are stiff, long, asymmetrically shaped but are paired symmetrically. These are pennaceous feathers present in the wings of the birds. Therefore, it can be concluded that remnants are flight feathers present in the wings. Thus it is a correct option.

> Option B:
The flight feathers present in the tail of the birds are termed as rectrices. The tail feathers help in providing maneuverability and lift during the flight of the bird. Thus it is an incorrect option.

> Option C:
Quill- feathers are used as a writing tool, when they are dipped in ink; it leaves a mark on the writing surface. The small feathers of the quills are not remnants. Thus it is an incorrect option.

> Option D:
The small feathers which cover the body are the epidermal outgrowth of the skin. These feathers work as a protective layer for the body of the bird, so that it does not get exposed to the harsh climatic conditions. Thus it is an incorrect option.

Hence, the correct answer is option (A).

Note: The flight feathers other than flying can also get evolved to perform additional functions like courtship rituals, feeding methods, and territorial display. In some species these feathers have evolved into showy long plumes which are used in visual courtship displays.