The nucleus is the most important part of the cell which regulates all the cellular activities by controlling the enzymes required for cellular... View Article
Thallophyte Thallophyte is the simplest of plants that do not have a well-differentiated body design. For example, Algae do not have leaves,... View Article
Chromatin is a tangled fibrous mass made up of DNA and protein. The chromatin material condenses to form chromosomes during cell division.... View Article
Dogs are viviparous. Dogs does not lay eggs, it gives birth to puppies. Hence, dogs eggs are not available in the market. Birds lay eggs, they... View Article
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
