ATP (Adenosine triphosphate) is the energy currency in living organisms. It is produced at the end of respiration and is produced in the... View Article
Water pollution can be defined as the contamination of water bodies. Water pollution is caused when water bodies such as rivers, lakes,... View Article
Cork cells possess suberin on their walls that makes it impervious to gases and water. Suberin is a wax like fatty substance, occurring in cork... View Article
(d) plastids The cells of the basal mucosa which are composed of squamous epithelial cells are commonly thought of as cheek cells. They are... View Article
The goldsmith uses the outermost zone of the flame to use for melting gold and silver because it is the hottest part of the flame and undergoes... View Article
(c) The sex hormones, Testosterone, estrogen and estrogen are responsible for the development of secondary sexual characters. Sex hormones play... View Article
a) Hydra Reproduction in all the given organisms takes place through asexual methods. Hydra reproduces by the formation of buds on its body... View Article
crop rotation In this pattern, different crops are grown on the same land in preplanned succession. The crops are classified as one-year... View Article
(b) R. Whittaker R.H. Whittaker proposed a five kingdom classification system. The five kingdoms are Monera, Protista, Fungi, Plantae, and... View Article
b) Coelenterata Coelentrates are multicellular, diploblastic and acoelomate animals having tissue level of organization i.e., they lack true... View Article
a) Sharks Fishes are classified into two groups: Chondrichthyes (cartilaginous endoskeleton) and Osteichthyes (bony endoskeleton) Shark... View Article
Insufficient production of thyroxine in the tadpoles leads to the incomplete development. The process of growth and development is regulated by... View Article
A chemical process in which a substance reacts with oxygen to give off heat is called combustion. A chemical process in which a substance... View Article
Compared to diesel and even to petrol, natural gas creates far less nitrogen oxides (NOx) and particulate matter (PM) when combusted. The... View Article
All synthetic fibres are prepared by using raw materials of petroleum origin. Synthetic fibres catch fire easily. On heating, synthetic fibres... View Article
Plastic is easily moldable, so the articles can be made in any shape and size. Plastic is defined as a material that contains as an essential... View Article
Marine water is unfit for consumption by humans, industries or land plants or animals. Therefore, terrestrial biota and human beings have to... View Article
Water that is suitable for drinking is called potable water. Potable water is the water which is filtered and treated properly and is finally... View Article
