Biology Quiz 5

Aspirin is Acetylsalicylic acid. It is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, fever, or inflammation.

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.

The heart is the only organ in the body that never rests throughout the entire life.

Carotenoids are pigments in plants, algae, and photosynthetic bacteria. These pigments produce bright yellow, red, and orange colours in plants, vegetables, and fruits.

Oral contraceptives (birth control pills) are used to prevent pregnancy. Estrogen and progesterone are two female sex hormones. Combinations of estrogen and progesterone work by preventing ovulation (the release of eggs from the ovaries).

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 huge muscles that power the wings attach to a flat part of the breastbone called the keel. Some flightless birds, including ostriches, do not have a keel.

There are two types of vitamins: water-soluble and fat-soluble. Vitamin C and members of the vitamin B complex are water-soluble. Water-soluble vitamins are easily destroyed or washed out during food storage and preparation.

The adult human brain weighs about 1200–1400 gm which is about 2% of the total body weight. The weight of an average human brain is about 1.36 kg.

Starch, glycogen and cellulose are all polymers of glucose. They differ in the type of glucose present and the bonds which link the glucose monomers together.