primary teaching resources

Edaphic Resources (Soil Resources) - Edaphic resources refer to soil resources. Due to varying temperature, rainfall, topographical characters in different parts of world, the rocks weather differently. Further, the rocks themselves are of varying chemical co..

Microbial Resource - Microbial resource is a resource not seen by naked eyes, like all other resource. But it is a powerful resource existing in all parts of globe - in atmosphere, on the earth, inside the earth, on the sea and inside sea, inside th..

Death of animals, birds Reasons - Ammonia released by carcasses of animals, birds. Water collection from forest areas - For e.g., Nitrates and ammonia compounds from rich forest soils Natural mineral deposits - For e.g., Deposits of bauxites The secondary source of water pollution can be a..

Primary phloem is the phloem that is formed during normal growth in the plant body. It is a derivative of primary meristem. It is found in both monocots and dicots. The primary phloem is further composed of protophloem and metaphloem. The sieve tubes and the companion..

Secondary Pollutants SO 2 SO 3 Sulphur dioxide in atmosphere Sulphur trioxide H 2 S SO 2 + H 2 O Hydrogen sulphide in atmosphere NO 2..

A primary prefix is used to distinguish alicyclic (aliphatic cyclic compounds) from acylic compounds. A prefix cyclo is used before the word root if the compound is an alicyclic compound. For example, Cyclopentane:..

A primary suffix is added to the word root (i.e., at the end of the word root) to indicate whether the parent chain is a saturated or unsaturated. Some primary suffixes are given below. Saturated - ane Unsaturated with: one double bond - ene two double bonds - diene thr..

Here the carbon atom bearing the hydroxyl group is attached to just one other carbon atom..

In these the redox reactions occur only once and cannot be used again. Example: dry cells, mercury cel..

Red, green and blu..