RESPIRATION IN TOAD
Tadpole The young toad called tadpole uses gills for gaseous exchange. At the tadpole stage,…
Tadpole The young toad called tadpole uses gills for gaseous exchange. At the tadpole stage,…
Oxides are binary compounds formed when elements combine with oxygen. Binary compounds are compounds containing…
Metamophosis is defined as the series of gradual changes of form and shape of an…
The cockroach exhibits incomplete metamorphosis. This starts from fertilised eggs to nymph and finally to…
Iodine was discovered in 1812 by Courtois. Iodides occur in minute quantities in sea water….
Graphite exists as black, slippery, hexagonal crystals. The carbon atoms in graphite, form flat layers,…
Carbon occurs naturally as diamond and graphite. It also occurs in an impure form as…
Diamond is the purest form of naturally occuring carbon. It is found as colourless, lustreless…
Ozone is an unstable triatomic molecule of oxygen. In 1866, J. Soret, demonstrated that ozone…
The vertebral column, also known as the backbone or spinal column, is the central supporting…
Octane number (octane rating) is a measure of the performance of petrol in the engine…
CRACKING Cracking is the process of further treatment of crude oil fractions in which bigger…
Energy exists in various forms. These forms of energy are inter-convertible, i.e ., one form…
In sexual reproduction, the male animal produces the sperm while the female produces the egg…
All living things are capable of responding to internal and external stimuli. The ability to…
It is sometimes very difficult to determine growth in organism. Growth varies from one organism…
MEANING OF MDG The Millennium Development Goals (MDG) are eight international development goals that were…
Historical Background Nigerian National Democratic Party (NNDP) and Nigerian Youth Movement (NYM) were formed as…
Delegated legislation is defined as the act of transferring powers and functions through the Acts…
Decentralization has to do with the sharing of power between the central government and other…
Centralisation is defined as the process by which political power is located in a single…
Political participation is defined as the process whereby individuals get themselves involved in the political…
Representative government, also known as Indirect democracy, is defined as a government of elected representatives…
The theory of checks and balances emphasises the power of any of the organs checking…
It is defined as the separation or division of political powers and functions among the…
Constitutionalism is based on the belief that the powers of the various organs of government…
Liberty is defined as the ability or willingness to do something and the power of…
Fundamental human right can be defined as those inalienable (natural) rights, and privileges enjoyed by…
Deregulation is the process of removing state regulations. It is therefore opposite of regulation which…
This is a state policy of making its companies, enterprises, parastatals, etc, more efficient and…
Privatisation is a policy of the government created to afford individuals, corporate bodies, the opportunity…
Mixed economy is an economic system that accommodates two different ideologies: capitalism and socialism. Therefore,…