Biology Quiz 3

A snake has a maximum number of ribs. On each vertebra on a snake is a set of ribs, just like a human. Humans have 24 ribs that protect the important organs within, as well as provide structure to house those organs. Snakes have two ribs attached to every single vertebra that they have, meaning that a snake with 200 vertebrae would have 400 ribs.

A compound leaf consists of several or many distinct parts (leaflets) joined to a single stem. Coconut, Shame plant, Rose, Clover, Baobab, Neem, Buckeye, Desert cotton, Horse chestnut, Poison ivy, etc. are some examples of a compound leaf. Papaya, Guava, peepal, hibiscus, oregano, pear plant, etc are simple leaves.

Besides carbohydrates, a major source of energy in our food is constituted by Fats. Fat has more than twice as many calories per gram as carbohydrates and proteins. A gram of fat has about 9 calories, while a gram of carbohydrate or protein has about 4 calories.

Birds which swim in water have webbed feet. Ducks, geese, and swans all have webbed feet. The primary use for webbed feet is paddling through the water.

Physical exercise is one of the most effective tools for strengthening the heart muscle, keeping weight under control and warding off the artery damage from high cholesterol, high blood sugar and high blood pressure that can lead to heart attack or stroke.

Ascorbic acid – Vitamin-C, Chlorophyll – Photosynthetic pigment, Carotenoid – Quencher, Superoxide dismutase – Enzyme. Superoxide dismutase (SOD) is an enzyme found in all living cells.

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

Cloves are commonly used as a spice. They are the dried flowers of the tree Syzygium aromaticum.

Xenobiotics which are inherently resistant to microbial attack are called as Recalcitrant.

A Roundworm (called Ascaris lumbricoides) is a human parasite found in the Small intestine. It infects a human's small intestine and acts as a parasite, getting nutrients from its host's intestinal tract.