Some details about Electron Microscope
23:12
Electron Microscope An electron microscope permits the observation of structures as small as 1 mm. This high resolving p...
Some details about Light microscope
21:40
Light Microscope A conventional light microscope contains the following essential parts 1. A light source: It may be...
Some details about microscope
21:10
Introduction to Microscopes The introduction of 'Optics' as a field of science in physics. encouraged the deve...
About Unicellular level Chlamydomonas
20:36
UNICELLULAR LEVEL CHLAMYDOMONAS Ponds and lakes become greenish, within a few days after the rain. The primary reason fo...
Properties of Ionic and Covalent compounds
06:24
Properties of Ionic compounds 1. Ionic compounds are mostly hard solids because the electrostatic force of attraction between the ions ...
Artificial Radioactivity
05:04
Radioisotopes The transmutation of one element into another by artificial means is called artificial radioactivity or...
Properties and uses of graphite and diamond
00:33
Properties and uses of graphite and diamond Properties of graphite 1. Graphite appears dark grey. 2. It is soft and slippery. 3. I...
Some details about carbon
23:35
Carbon Carbon is one of the most important elements. It is unique in nature. All living things whether plants or ani...
Uses of metals and nonmetals
21:06
Uses of metals 1. Iron and steel are used for making machinery, Ships and agricultural implements and also used in pipes, automobiles, ...
Characteristics of metals and non metals
20:42
Characteristics of metals and nonmetals Metals are generally hard, malleable, ductile, possess lustre and are good conductor...
Some details about Comets and Meteors and meteorites
08:20
Comets Comets are very small sized celestial bodies. They revolve around the sun highly elliptical orbits. They become v...
Some Constellations
07:37
Constellations A group of stars, as seen from the earth appears to form some kind of pattern. Our ance...
Some information about Space exploration
07:13
Space exploration Space exploration is man's quest for knowing the unknown in space. In that effort, Manned and u...
Artificial satellites and uses
07:02
Artificial satellites The celestial bodies revolving around a planet are called satellites. For example, the moon is a...
Solar system, planets and satellites
05:09
Solar system A part of the Milky way in which sun occupies a central position of the system holding together all pla...
Some details about Galaxies
04:34
Galaxies A galaxy is a system of stars, dust and gas physically bound together by gravity. The galaxies are the buildin...
Some details about stars
04:01
Stars A star is a huge ball of glowing gas held together by gravity. It continuously emits light and heat. The sun is the...
Some details about organs
03:32
Functioning of organs A series of other organs, for example small intestine and large intestine each composed of two ...
Shoot system
03:16
Shoot system The stem is aerial part of the plant. This develops directly from the plumule. Functions of stem ...
Root system
01:38
Root system The portion of the plant body present below the soil is called root system. In dicots, the taproot system ...
Fresh water community and marine community
00:46
Fresh water community If the salt content and amount of dissolved substances are less, the water is considered as fre...
Some details about Sporophyte
23:43
Sporophyte The plant body of the fern plant is the sporophyte. It has root, stem and leaves. The stem is the underg...
About Autotrophs and Heterotrophs
09:50
Autotrophs Green plants and some primitive animals like Euglena prepare their own food from inorganic substances. T...
Urinogenital system of male frog
08:02
Urinogenital system of male frog The urinogenital system of male frog consists of two organ systems, an excretory ...
Maintenance of ornamental fishes
05:28
Maintenance of ornamental fishes There are two important points for the proper maintenance of ornamental fishes in ...
Introduction to ecological pyramids
04:46
Ecological pyramids Each step in food chain is called energy level. It is also known as trophic level. The diagram s...
Food preservation
03:49
Food preservation-various methods Centuries ago people knew that if food was not stored or handled properly, the foo...
Food poisoning and health
03:02
Food poisoning and health As you know, food is very important for all living organism to perform all life activiti...
Extinction of wild life and Endangered species
02:23
Extinction of wild life Extinction means the complete elimination of a particular wild species. It is natural but...
Zoonotic diseases and protection from Zoonotic diseases
23:43
Zoonotic diseases Zoonoses are defined as "those diseases and infections which are naturally transmitte...
Some tooth disease
23:14
Tooth disease Dental caries Teeth are extremely susceptible to a process of decay-dental caries. You must have seen ye...
Spices yielding plants
22:07
Spices yielding plants The use of spices adds flavour, delicious taste and colour to the food stuffs. The spices ...
Subscribe to:
Posts
(
Atom
)
Random Posts
Recent Comments
Popular Posts
-
Biosphere Any living plant or animal is called an organism. The living organisms exist in variety of habitats. The habitats ma...
-
Measurement of time We perform many activities in our day-to-day life. Many events take place, but duration of...
-
Stars A star is a huge ball of glowing gas held together by gravity. It continuously emits light and heat. The sun is the...
-
Land pollution Land gets polluted by dumping of municipal wastes, industrial wastes and hospital wastes. Industrial wastes a...
About Me
Recent Posts
Random Posts
Popular Posts
-
Biosphere Any living plant or animal is called an organism. The living organisms exist in variety of habitats. The habitats ma...
-
Measurement of time We perform many activities in our day-to-day life. Many events take place, but duration of...
-
Stars A star is a huge ball of glowing gas held together by gravity. It continuously emits light and heat. The sun is the...
Created By ThemeXpose & Free Design Resource
Powered by Blogger.