Biology Quiz 4

The immunity caused by the B-lymphocytes is called Humoral Immunity. Humoral immunity is the process of adaptive immunity manifested by the production of antibodies by B-lymphocytes. It develops in bone marrow.

Due to Vitamin D deficiency, the limb bones of children become bent. Vitamin D deficiency can cause children to get rickets. Rickets is a disease that causes thin, weak and deformed bones. In adults, not having enough vitamin D and calcium causes osteoporosis (loss of bone density) and can lead to fractures.

Cirrhosis is usually a result of liver damage from conditions such as hepatitis B or C, or chronic alcohol use. Heavy metals like copper may exacerbate liver damage. The toxicity of copper can result in brain damage, liver failure, or death if it is not treated.

The Red Data Book is a public document that is created for recording endangered and rare species of plants, animals, fungi as well as some local subspecies that are present in a particular region.

By mass, about 96 percent of the human body is made up of just four elements: oxygen (65 percent), carbon (18.5 percent), hydrogen (9.5 percent), and nitrogen (3.3 percent). Oxygen (O) together with hydrogen form water, which is the primary solvent found in the body and is used to regulate temperature and osmotic pressure.

The leather belt is biodegradable. Biodegradable materials are substances that decompose naturally through the actions of bacteria, fungi, and other living organisms.

Heparin is the anti-coagulant substance in the blood. Heparin injection is used to decrease the clotting ability of the blood and help prevent harmful clots from forming in blood vessels. This medicine is sometimes called a blood thinner, although it does not actually thin the blood.

In Bacteria generally hormone is not found but it can produce hormones that can affect host metabolism, immunity and behavior.

Animal protein is called first-class protein because it is rich in essential amino acids. It is superior to plant protein because animal proteins contain a broad spectrum of amino acids with more vitamins and minerals than plant proteins.

Chlorophyll - Photosynthetic pigment, Nostoc - Diazotroph (bacteria), Transpiration - Loss of water from plant surface, Rust of wheat - Plant disease (fungal disease of wheat).