Species and Population Questions and Answers
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 …
Category: Biology
Nature and Scope of Biology Questions and Answers
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 (Sulphur and Phosphorus Cycle)
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
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 and Oxygen Cycle
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 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
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
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 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 …
Ecological Succession
Ecological Succession Ecological succession involves an orderly process of community changes, which are directional and hence predictable. It involves the modification of the physical environment, culminating in the establishment …