Difference between Pili and Fimbriae
Pili and fimbriae are cell surface appendages present in bacteria other than …
Pili and fimbriae are cell surface appendages present in bacteria other than …
Flagella are organs for movement in bacteria. Electron microscopic studies re…
Stomata are small apertures in the epidermal surface of a plant leaf, stem o…
Pteridophytes p(Gk. Pteron=feather; phyta=plants) are called as seedless vas…
Viroids are small, naked infectious RNA molecules. The term viroid was coined …
Photosynthesis is the anabolic reaction carried out by green plants responsib…
The process of mixing of atomic orbitals of nearly same energy to produce a s…
The term germination designates the overall processes beginning with the imbib…
Carbohydrates are the most abundant class of biomolecules in nature. A carbohy…
Both sieve cells and sieve tubes are constituents of phloem involved in conduc…
Sap wood is the functional, conducting part of the wood whereas heart wood is …
Viruses are infectious intracellular obligate parasites consisting of nucleic …
Two major classes of genes contribute to causing cancer i.e., Oncogenes and T…
When plants of the same kind are grown and cultivated at one place on a a lar…
Plastics is easily mouldable, recycled, reused, coloured, melted, rolled into…
Stars are the celestial bodies which can emit heat and light continuously. Ev…
The growth in thickness by the activity of secondary tissues is called seconda…
Raphide are needle shaped crystals of Calcium oxalate. Found in Pistia, …
Chromosome are the most significant of all cell components. They are the ca…
The tissue concerned with the movement of body parts and the locomotion of an…
Cutting and layering are artificial methods of vegetative propagation widely…
Bentham and Hooker jointly published a vast work the Genera Plantarum in …
Ecological succession or biotic succession is the natural development of a se…
Immunity is defined as the body’s ability to destroy pathogens or other fore…
Adrenal glands are paired structures located on the top of the kidneys. Each…