even and odd functions origin

Introduction - A tissue is an aggregation of cells that have a common origin and structure, and perform similar functions. Tissues are meant for meeting the physical and physiological needs of the plant body. An angiosperm plant body shows two major types of tissues namely, Meri..

Hormones are the chemical messengers of the body. They are defined as organic substances secreted into blood stream to control the metabolic and biological activities. These hormones are involved in transmission of information from one tissue to another and from cell to cell. These substances..

Question: A group of cells alike in form, function and origin are called _________. 1. tissue 2. organ 3. organelle 4. none of these Answer: ..

Polymers - high molecular mass macro-sized molecules consisting of repeating units of monomers - may be synthetic or natural in origin. Addition polymerization are usually performed on alkenes and their derivatives and proceed through chain growth mechanism involving radicals, cations and..

The omission of the last digit, which is not required for correctness of a physical quantity, with least deviation from its original value, is called rounding off. One or two rules has to be followed in rounding off, like The rounded off digits should be removed altogether, at once. If th..

. Polyploidy may be caused by fertilization of an egg by more than one sperm failure of meiosis during gamete formation. Polyploidy can artificially be introduced by a chemical called colchicine or by crossing diploids with tetraploids. Although triploids exhibit sterility, polyploidy is useful in ..

. Analogous structures are those that show no similarity in the internal structure or anatomy. However, they carry out similar structural or physiological functions. For example, birds and bats both have wings, while mice and crocodiles do not. Does that mean that birds and bats are more ..

Earth is the only planet on which life exists. It consists of three components Lithosphere (Land), Hydrosphere (Water) and Atmosphere (Air). Life originated and evolved because of this unique combination of the three components and was ideal and favourable for life. The life supportin..

The original plant kingdom proposed by Linnaeus and subsequent taxonomists of that period included the bacteria, fungi, algae, liverworts, mosses, ferns, conifers and flowering plants. Plants in general are considered to exhibit the following distinguishing characters. Plants exhibit a gr..

Biosphere - Earth is the only planet on which life exists. It consists of three components Lithosphere (Land), Hydrosphere (Water) and Atmosphere (Air). Life originated and evolved because of this unique combination of the three components and was ideal and favourable for life. The life s..