Tag Archives | significance

What are the various stages of miotic cell division in plants and mention its significance

Mitosis is known as the somatic cell division as it occurs in the somatic cells for vegetative growth. It is an equational type of cell division, resulting in two daughter cells equal with number of chromosomes and identical genes as that of parent cell.

By |2011-01-10T23:48:04+00:00January 10, 2011|Biology|Comments Off on What are the various stages of miotic cell division in plants and mention its significance

What is the significance of Osmosis ?

Osmosis (Greek word for ‘push’) is the movement of water between two solutions separated by a membrane which is permeable to water and less permeable or impermeable to the substance (solute) in solution.

By |2011-01-04T14:02:59+00:00January 4, 2011|Biology|Comments Off on What is the significance of Osmosis ?

What is the significance of meiosis?

The significance of meiosis :- It maintains the same chromosome n umber in the sexually reproducing organisms. From a diploid cell, haploid gametes are produced which in turn fuse to form a diploid cell.

By |2011-01-03T07:31:11+00:00January 3, 2011|Biology|Comments Off on What is the significance of meiosis?

What is the significance of the Big Band Theory ?

Big Bang Theory is one of the most important theories the beginning of the Universe. This theory is based on Hubble’s observation about the expansion of the Universe. He found that galaxies were moving apart; and farther away galaxy is, the faster it is moving away.

By |2011-01-02T16:06:17+00:00January 2, 2011|Geography|Comments Off on What is the significance of the Big Band Theory ?

What is the significance of Comets ?

A comet is a collection of large number of rocky and metallic particles coated with frozen ices of water, carbon dioxide, ammonia and methane. Comets revolve around the sun like planets the orbits of comets are very large and very eccentric.

By |2011-01-02T16:06:17+00:00January 2, 2011|Geography|Comments Off on What is the significance of Comets ?

What is the significance of Bird Roosting ?

A large number of birds of several species display a kind of behavior in the evening which is worth watching. They take frequent shot flights and settle down on trees or wires, etc. The settling down of birds for rest at night on elevated places is called roosting.

By |2011-01-02T10:52:47+00:00January 2, 2011|Biology|Comments Off on What is the significance of Bird Roosting ?

What is the significance of an empirical formula ?

Empirical formula of a substance represents mass of the substance equal to the formula mass of the substance. The formula mass of the substance is equal to the sum of the atomic masses of all the atoms present in the empirical formula.

By |2010-12-28T17:05:25+00:00December 28, 2010|Chemistry|Comments Off on What is the significance of an empirical formula ?
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