Biology Questions

A man with colour blindness will see red and green as same. 

The two functional groups Amine and carboxyl groups are always found in amino acids.

Tetrad is a homologous chromosome pair in the given options. A homologous chromosome pair is a pair of chromosomes one from father and one from mother that has same gene sequence after the process of meiosis.

Sensation is the activation of the receptors by stimuli.

Vitiligo is a condition in which the skin loses its pigment cells (melanocytes). This can result in discolored patches in different areas of the body, including the skin, hair, retina and mucous membranes.

Many disorders have been linked to vitiligo. They are::

Hashimoto thyroiditis,

Graves disease,

Addison disease and

diabetes mellitus,

alopecia areata,

pernicious anemia,

inflammatory bowel disease,

psoriasis, and

autoimmune polyglandular syndrome.

Visceral pain is a poorly localized, dull, or diffuse pain. It usually arises from the abdominal organs.