Question

Mammary glands in mammals are modified into?

• A. sweat glands
• B. sebaceous glands
• C. lacrimal glands
• D. preen glands

Answer 1

The correct option is A

sweat glands

The correct option is A.

Explanation of correct option:

1. Mammary glands are a characteristic feature of mammals.
2. They are modified sweat glands structurally but functionally produce milk.
3. Sweat glands get modified due to hormonal stimulations.
4. Mammary glands are present in both males and females but are functional in females only.

Explanation of the incorrect option:

Option B:

1. Sebaceous glands secrete oils and waxes which act as a lubricant and protective layer over the skin and hairs in mammals.

Option C:

1. Lacrimal glands are present in the eyes and are responsible for the secretion of tears in most terrestrial vertebrates.

Option D:

1. Preen glands are a characteristic feature of the Aves.
2. Preen glands supply oil that is spread upon the feathers by the bird's beak to waterproof the feathers.

Final answer: Mammary glands in mammals are modified sweat glands.