Category: Biology

Incomplete Dominance and Co-Dominance Incomplete Dominance It is a form of intermediate inheritance in which one allele for a specific trait is not completely expressed over its paired allele.  …

Heredity and Variations The transmission of characters from parents to the offspring is termed as heredity. The gametes act as vehicles of hereditary transmission. However, not all offsprings are …

Noise Pollution Noise pollution is unwanted, unpleasant, loud disturbing sound that has a harmful effect on human beings as well as animals. The frequency of sound is measured in …

Soil Pollution Soil pollution is the alteration in soil due to the removal or addition of substances, which decreases the productivity and quality of plants. Agrochemicals, industrial wastes, mining …

Water pollution Water pollution is the contamination of water due to the addition of substances (i.e.,inorganic, organic, biological, radiological,etc.,) making it unfit for human use and growth of aquatic …

Air pollution Air pollution is the addition of foreign particles, gases and other pollutants into the air which has an adverse effect on human beings, animals, vegetation, etc. It …

Environmental Pollutants Environmental pollutants are substances, chemicals or any other thing which change the natural balance of the environment and thus cause pollution. Pollutants stimulate, initiate or terminate the …

Ex- Situ Conservation of Biodiversity Ex-Situ conservation means ‘out of site conservation’. It is the conservation of rare plants/ animals in places outside their natural habitat. Examples of ex-situ …

Conservation of Biodiversity Conservation of biodiversity is protection and management of biodiversity so as to maintain it at its optimum level and derive sustainable benefits for the present as …

Threats to Biodiversity Biodiversity is under serious threat due to human activities. The range of animal and plant life in an ecosystem are being destroyed which is leading to …