Cell theory is a set of statements that covers the essential characteristics of cell such as cells are basic unit of life, these make up all organisms and these arise from pre existing cells.
Biology Quick Reference is a site where you can find short information of terminologies and questions related to biological sciences.
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Monday, 20 March 2017
What is a Catkin?
Catkin is a pendulous spike of flowers that contain either of the reproductive components such as androecium or gynoecium. Catkins usually falls from the entire plant after attaining maturity.
Friday, 17 March 2017
What are Chemoautotrophs?
Chemoautotrophs are the organisms that derive energy from the oxidation of simpler inorganic compounds are called as Chemoautotrophs.
What are Carnivorous plants?
Carnivorous plants are those plants that trap other animals in their leaves modified in such a manner that they can entangle an organisms within leaves, digest it and absorb digested components of the traped organisms therefore these are called as Carnivorous plants. Usually Carnivorous plants inhibit environment that lakes nitrougenous compounds plants therefor full fill their nitrogenous requirements by literally eating organisms.
What are carbohydrates?
The literal meaning of carbohydrates is "Hydrated Carbons", carbohydrates are the polyhydroxy aldehydes or ketones or those substances which yield polyhydroxy aldehydes or ketones upon hydrolysis.
What are casparian strips
Casparian strips are the water proof suberin coated walls of endodermal cells in a plant such as plant root.
Define Calyx.
Calyx is the out most whorl in flowers usually green in color and encloses petals, stamens and overy of the flower is called as Calyx.
What are C4 plants?
C4 plants are those plants which can photosynthesize in hot and dry climates at a faster rate than the C3 plants due to special leaf anatomy and a unique biochemical pathway which includes fixing of sunlight energy that is the photons into four carbon containing sugar intermediate.
What are Caducous Flowers.
Caducous Flowers are those flowers in which sepals which is the outer most whorl falls off when the flower blooms are called as Caducous Flowers.
Tuesday, 14 March 2017
What is the meaning of Binomial nomenclature.
It is the method of assigning of names to organisms using two Latin words, the first denoting the genus and the second descriptive name, the two, together constitute the name of species for example Biological name of human: Homo sapiens. Homo = Genus & Sapiens = Species.
What is binary fission?
The division or cleaving of prokaryotic cells into two identical daughter cells is called as binary fission.
What is bilateral symmetry?
Bilateral symmetry when an organisms's body can equally be divided into equal right and left haves in a imaginary plan such as the right and left sides are mirror images it is called as bilateral symmetry.
What are bicarpellary Bicarpellary Flowers?
It is a condition in which the flower's gynoecium consists of two carpels which may be free or united is called as bicarpellary flower or simply bicarpellary.
What is an Ascus?
The literal meaning of ascus is sac-like. In some fungi, a small sac in which sexually produced spores develop is called as ascus. The plural ofr ascus is asci.
Monday, 13 March 2017
Ascending Imbricate
Ascending Imbricate is a condition in flowers in which each sepal or petal overlaps its posterior neighbour, as in the calyx of vicia.
What are Archaebacteria?
Archaebacteria commonly known as ancient bacteria which are able to survive extream conditions are the monerans that includes methane producers, sulfur-dependent species, and cells that. tolerate very salty or hot environments.
What is Apoplastic pathway?
Apoplastic pathway is the path way of translocation of materials & substances external to cells from plant root it acan also be reffered to as in a plant root the "compartment" made up of all extracellular spaces, along with the spaces within cell walls that water can traverse without crossing any plasma membrane.
What is apocarpous condition?
Apocarpous is a condition in flowers in which carpels more than one are all free each fanning a simple ovary, style and a stigma.
Sunday, 12 March 2017
What is apical meristem?
Apical meristem are the undifferentiated plant cells such as actively dividing cells at the growing tips of a plant such as at apical region of stem or root etc.