River lift system is where water from rivers is drawn directly to supplement irrigation schemes. River lift systems do not depend on the natural... View Article
Ribosomes are small microscopic ribonucleoprotein particles which occur in cytoplasm either freely or attached to endoplasmic recticulum. They... View Article
Silk fibre obtained from insects like the silk worm, is a natural protein. Fibroin and Sericin are the main components of this fibre.The silk is... View Article
The answer is (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass Wastes capable of being broken down or decomposed rapidly by the... View Article
Tendrils are the thin, thread-like growths on the stems or leaves of climbing plants. The two types of tendrils are stem tendrils and leaf... View Article
The shape of cells depends on the type of work or the function done by them. Spindle shape of the muscle cell helps it to contract and relax,so... View Article
Answer: The stomach is the widest, hollow, muscular, expendable and important organ of the digestive system. It is a bean-shaped and sack-like... View Article
Pollen tubes and style are unique to plants. The pollen tube develops through the style towards the ovary. The differences between pollen tube... View Article
Organisms feed on dead or decaying organic matter are called saprophytes and their mode of nutrition as saprophytic nutrition. Mushrooms have... View Article
Starch is a polysaccharide consisting of glucose monomers that are joined by α-1,4 glycosidic linkages. Glucose is stored as a polymer, in... View Article
Bile contains no enzyme but it is consisyed of salts, namely, sodium glycocholate and sodium taurocholate. These salts reduce the surface tension... View Article
Obliterated central lumen is a condition that develops in plants when the xylem is heavily lignified and the wall becomes thickened as much that... View Article
Vacuoles are the membrane bound structures or sacs. These are found in the cytoplasm of the cell. Vacuoles are called store house of the cell... View Article
The medicines which kill/stop the growth of disease causing organisms are known as antibiotics. Attenuated vaccines : These are prepared from... View Article
Soil errosion is one type of pollution that affected to the soil which is happening due to the cause of cutting of trees. This soil errosion... View Article
An allele is a two form of a gene which carries the contrasting characters. Two allelic genes are located on two homologous chromosomes. They are... View Article
Cuscuta is an example of option B. Parasite A parasite is an organism that survives in or on another species, usually at the expense of its host.... View Article