kJ/kg is the unit in which the calorific value of a fuel is expressed. Calorific value is the amount of energy released or produced when 1 kg of... View Article
Poultry farming refers to the rearing of domesticated fowl (birds) for their meat and eggs. These birds include chicken, ducks, turkey, geese,... View Article
True Monera is a kingdom that contains unicellular organisms with a prokaryotic cell organization (having no nuclear membrane), such as... View Article
Sieve tubes It has tubular cells with perforated walls and are living in nature. In-plant anatomy, sieve tube elements, also called sieve-tube... View Article
The different components of xylem are- tracheids, vessel elements, xylem fibers and xylem parenchyma. Tracheids, vessel elements and xylem fibers... View Article
Fossil fuels should be used judiciously because they are exhaustible and are present in limited amount in nature. Also, the formation of fossil... View Article
Petroleum has been used in one form or another. It is an important substance across society, politics, technology including in economy. Petroleum... View Article
Polio drops are not given to children suffering from diarrhoea as it is an oral vaccine and due to frequent motions it may get excreted from the... View Article
Carbohydrates - The digestion of carbohydrates occurs in the mouth, stomach and small intestine. In the mouth, saliva mixes with the food.... View Article
If the mucus is not secreted by the gastric glands then the stomach wall will be destroyed by the acid, since the mucus protects the stomach wall... View Article
The mass mortality of fishes may have occurred due to following reasons, Thermal pollution (ii) Addition of poisonous (mercury) compounds in... View Article
True Epithelial tissue protects the body from physical, chemical and biological wear and tear. The skin is made of stratified epithelial tissue.... View Article
Testes secrete testosterone hormone at the onset of puberty Testosterone is a sex hormone that is secreted by the testes. In males, it is... View Article
a) They are made up of dead cells Hairs and nails are made of dead tissues. Only the base of the hair and the base of the nail have living... View Article
Ulothrix, Spirogyra, Cladophara, Ulva and Chara are few of the examples for Thallophytes They are usually found in moist or wet places. This is... View Article
Pollutants like Arsenic and Lead are hazardous for plants and animals both. Arsenic leads to deformities by its accumulation in plant and animal... View Article
The heart is the key organ for blood circulation and the double circulation is an efficient way of circulation as it provides an effective way of... View Article
The guard cells regulate the opening and closing of stomatal pores by the osmosis process. When water flows into the guard cells, they swell up... View Article
