Biology - Study Mode

[#901] In human the thickest skin is present in
Correct Answer

(B) Sole

Explanation

Solution: Epidermis varies in thickness throughout the body depending mainly on frictional forces and is thickest on the palms of the hands and soles of the feet, and thinnest in the face (eyelids) and genitalia.

[#902] They form the material which forms skins, muscles, hair and nails in animals.
Correct Answer

(A) Protein

Explanation

Solution: Keratinocytes make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.

[#903] Which of the following is responsible for giving colour to human skin?
Correct Answer

(D) Melanin

Explanation

Solution: The actual skin color of different humans is affected by many substances, although the single most important substance is the pigment melanin. Melanin is produced within the skin in cells called melanocytes and it is the main determinant of the skin color of darker-skin humans.

[#904] Which is the largest organ in the human body?
Correct Answer

(C) Skin

Explanation

Solution: Body organs aren't all internal like the brain or the heart. There's one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.

[#905] Branch of science which deals with the study of skin of man is called
Correct Answer

(D) Dermatology

Explanation

Solution: Dermatology is the branch of science which deals with the study of skin.