Science & Mathematics Questions & Answers

The venom of a wasp contains histamine, sarotonin acetylecholine and severaler kinins. These chemical compounds cause dilatation and increased permeability of blood capillaries, leading to oozing of a fluid.This causes local redness and swelling. Funny Logic The sting presses one into immediate action-to apply an antidote on the right spot.

Fish like any other creature need rest and they tend to sleep. Even at rest, fish continue to move their fins to keep afloat. Since fish have no eyelids they cannot close their eyes while sleeping. But while asleep, a fish is probably unaware of the impressions received by its eyes. Some fish sleep on the sea, river or pond …

Musk is produced by the male musk-deer (Moschidae family), found in the wet mountain forests of the Himalayas. A gland in the abdomen of the deer produces musk, a pungent oily jelly which is used in perfumes to make the scent last longer. The musk-deer has become an endangered species because it is killed for the gland. Funny Logics By …

Cockroaches have a hard, resistant outer covering of chitinous tissue, which, it is believed, can help them survive a nuclear explosion. Funny Logics They take inspiration from Saddam Hussein and Slobodan Milosevic. They are short on cost and long on service.

The theory is not entirely acceptable. Some feel that homo sapiens (our ancestors) and monkeys have both evolved from a common stock called anthropoid mammals. The monkeys diverted from this evolution some 2.3 million years ago, while modern human beings came through the homo habilis, homo erectus and homo sapiens route and transformed into the present form. Funny Logics Because …

Virus is a Latin word meaning poison. Viruses are non-cellular ultramicroscopic, particles of protein and nucleic acids. They grow and reproduce naturally in the living cells of more complex organisms where they may cause disease. Virus has a variety of shapes, sizes and complexities. Several viruses infect plant other than bacteria and blue-green algae. A large number of them infect …

According to the biological classification of animals, reptiles of Chelonia order are turtles. They are found in most parts of the world and can be marine or non-marine. Their length ranges from less than ten centimeters to more than 2m. They feed on soft plant material or small animal or both. Turtles of a particular family. Testudinidae are known as …

Butterflies and caterpillars are different forms of the same insect. In the process of metamorphosis, the egg hatch to form a larva or a caterpillar. This is the feeding stage, in which the larva feeds and grows. At some stage, it undergoes another phase – the pupa, which is the non-feeding stage. At this stage the insect starts changing its …

Pearl is the only gem to come from a living being (Oyster). An Oyster lives for about 30 years. It takes about 10 years to form a pearl. The creature secrets a microscopic element called the nicker. The secretion of nicker forms layer over layer and becomes a pearl. This nicker is called the mother of pearl. It is also …

A touch me not plant has compound leaves with a slightly swollen structure at the base called pulvinus. The lower half of this is compound of thin walled cells with large inter-cellular spaces and the upper half are thick walled without any inter cellular spaces. When the leaves of the plant are touched, the upper turgid cells put pressure on …