Category: Biology

Biosphere MCQ (Multiple Choice Questions and Answers) Question 1: Biosphere is defined as (A) Part of the earth water and atmosphere which inhabits living organism (B) Part of the …

Species and Population MCQ (Multiple Choice Questions and Answers) Question 1: Population means (A) All the animals of a place (B) All the animals and plants found in an …

Nature and Scope of Biology MCQ (Multiple Choice Questions and Answers)   Question 1: The first microscope was invented by (A) Leeuwenhoek (B) Hooke (C) Janssen and Z. Janssen …

Sedimentary Cycle Sedimentary cycle is a biogeochemical cycle where weathering of rocks occurs releasing sulphur. It includes those of sulphur, phosphorus, iron, calcium and other more earthbound elements. The …

Nitrogen Cycle The nitrogen cycle is a biogeochemical cycle in which the elemental nitrogen (N2) converts into a form that is useful in biological processes.  Atmosphere is a reservoir …

Carbon Cycle Carbon cycle is a biogeochemical cycle in which carbon travels from the atmosphere into organisms and then back to the atmosphere. The carbon cycle is essential for …

Biogeochemical Cycles Biogeochemical cycles in the environment are the cyclic pathways in which regular and continuous transition of elements occur from the environment into the organism and from the …

Successional Stages of Xerosere Succession of plant that begins from any dry area and ultimately reaches to a climax is termed as xerosere. Initiation of xerosere usually begins from …

Successional Stages of Hydrosere or Hydrarch Hydrosere or hydrarch is a succession that starts in habitats with plenty of water such as a pond, lake, stream etc. If succession …

Ecological Niche Ecological niche is a most inclusive term that involves not only a physical space occupied by organism but its functional role in the community and its position …