Biology Quiz 4

Ringworm is a fungal disease. It is a common infection of the skin that is caused by a type of fungus called dermatophytes.

Edward Jenner (1749 - 1823) was an English surgeon, who discovered a vaccination for smallpox. It is in fact, the world's first vaccine.

All eukaryotic cells have a surrounding plasma membrane (cell membrane). The plasma membrane is made up of a phospholipid bilayer with embedded proteins that separate the internal contents of the cell from its surrounding environment.

Melanin is a type of pigment that gives colour to the hair, skin, and eyes in humans and animals. It is a complex polymer derived from the amino acid tyrosine.

Seasickness is a result of a conflict in the inner ear, where the human balance mechanism resides, and is caused by a vessel's erratic motion on the water.

The pituitary gland is a small organ at the base of the brain. It produces and releases several hormones that help carry out important bodily functions. Through secretion of its hormones, the pituitary gland controls metabolism, growth, sexual maturation, reproduction, blood pressure and many other vital physical functions and processes.

A glass snake (glass lizard) is a long, slender, legless lizard that superficially resembles a snake but is not a true snake. It has no legs but is not a snake, making it a unique and interesting member of the reptile kingdom.

Sleeping sickness is caused by microscopic parasites of the species Trypanosoma Brucei. It is transmitted by the tsetse fly (Glossina species).

Yellow fever is a viral disease transmitted by infected Aedes or Haemagogus species mosquitoes. Yellow fever virus is an RNA virus that belongs to the genus Flavivirus. The “yellow” in the name refers to jaundice that affects some patients.

Both male and female mosquitoes eat the same things—Plant sap, nectar and plant derivatives—for energy. But only female mosquitoes imbibe a blood meal.