TEST OF ORALS
1-10:EACAECCCE
11-20;DABECEAEBA
21-30:ACDEACDCCC
THE REST IS STILL LOADING...
Civic-Obj
1AAECADDEBA
11ACACBCBCDD
21DEDCBCEBEA
31DCCAEEADBD
41BDDCEBDCAE
51AAACEAEDBB
1a)
Parenthood can be defined as the responsibilities of parents to guide, protect and provide for the basic needs of their children
(1b)
(i) Protection and defense: It is the responsibility of a father to protect and defend his family members in times of troubles.
(ii) Assurance of peace: It is the primary duty of a father to ensure that unity, peace, love and harmony reign within his family
iii) Ensuring proper upbringing: It is the duty of a father to ensure the proper upbringing of his children.
(iv) Training of children: It is the priority of the mother to train the children on basic household chores and help the children to be responsible.
(v) Love and care: It is the duty of the mother to show love and care to the family
(vi) Support: The mother should be performing the role of a helper; she should support the husband in his role. E.g. giving financial support, helping to training the children, giving reasonable advice to the husband and children
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(2a)
Values can be defined as important and lasting beliefs or ideals shared by the members of a culture about what is good or bad and desirable or undesirable.
(2b)
(i) Positive values: positive values applies to things or qualities which are good, desirable or worthwhile. For example include truth telling, hard work, obedience etc.
(ii) Negative values: This is a bad value, unacceptable or worthless value that the society frown at. Examples includes late coming to school, truancy, lying, armed robbery, indecent dressing , fraudulent acts, etc.
(iii) Intrinsic values: Something has intrinsic value when it is good or desirable for its own sake and in itself. For example, good music, beautiful flowers, particular dress, type of handset, type of house and other value giving satisfaction to the beholder.
(iv) Instrumental values: This is value that persons attach to objects or things that can be used for achieving another thing. For example, a good knife, a good music, a good ha
From MR-Marric
NECO-CHEMISTRY-PRACTICALS-ANSWER
1ai)
Tabulate
Titrations|Rough|first(1)|second(2)|third(3)
Final burette reading-|20.50|14.90|15.00|15.10|
initial burette reading- |0.00|0.00|0.00|0.00|
volume of Acide used- |20.5|14.90|15.00|15.10|.
1ai)
average volume of Acid used
1st+2nd+3rd/3
14.90+15.00+15.10/3=45/3=15cm^3
1aii)
2HCL(aq)+Na2CO3(aq)---->2NaCl(aq)+H2O(aq)+CO2(aq)
1bi)
CA VA/CB VB =NA/NB
0.1moldm^-3*15cm^3/CB*25cm^3 *2/1
CB * 25cm^3*2=0.1moldm^-3*15cm^3*1
CB * 50=1.5
CB=1.5/50=0.03moldm^-3
1bii)
25cm^3---->0.03mole
1000cm^3---->x
x=1000*0.03/25=30/25
x=1.2moldm^-3
1biii)
concentration in mold^-3 =Con glm^3 /molar mass
0.03moldm^-3=x/106
x=0.03*106
x=3.18gldm^3
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2a)
Tabulate
2ai)
-OBSERVATION-
i)C dissolves in water
ii)formation of white precipitate
iii)White precipitate dissolves in itel
-INFERENCE-
i)C is soluble in water
ii)CO3^-2,SO4^-2,SO3^2- suspected
iii)CO3^2-,SO3^2-, suspected
2bi)
-OBERSVATION-
i)effervescenceoccurs with the evolution of a gas
ii)the solutions turns to pink
-INFERENCE-
i)CO3^2-,SO3^2-, suspected
ii)CO3^2-,Confrimed
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3ai)
Zinc chloride reaction with HaOH form white gelatinous precipitate solution in excess HaOH.
Ammonium trioxocarbonate(iv) on reaction with HaoH evolves a gas which turns red litmus paper blue and lime water milky.
Calcium trioxocarbonate(iv) on reaction with HaoH forms white powdery precipitate insoluble in excess HaOH.
3aii)
i)liquid substance--> crystallization
ii)Solid substance--> precipitation
3bi)
i)Evaporation takes place at all temperatures, while boiling occurs at a particular temperatur (at boiling point).
ii)Evaporation takes place from the surface, whereas the entire liquid boils.
3bii)
Carbon(iv)oxidedoes not support combustion
3ci)
molar solution is an aqueous solution that contains 1 mole (gram-molecularweight) of solute in 1 liter of the solution.
3cii)
Indicator
3ciii)
i)methyl orange
ii)Phenolphthalein.
ECONOMICS ANSWERS:*
(1a)
Given Qd = 32 – 2/3p
When P = #6
Qd= 32 – 2/3(6)
Qd= 32 – 4
Qd= 28
When P = #12
Qd= 32 – 2/3(12)
Qd= 32 – 8
Qd= 24
When P = #20
Qd= 32 – 2/3(20)
Qd= 32 – 13.33
Qd= 18.67
When P = #27
Qd= 32 – 2/3(27)
Qd= 32 – 18
Qd= 14
When P = #32
Qd= 32 – 2/3(32)
Qd= 32 – 21.33
Qd= 10.67
In a tabular form, we have
Under price(#)
6, 12, 20, 27, 32
Under quantity demanded
28, 24, 18.67, 14, 10.67
(1b)
Draw the Graph
(1c)
Factors that cause change in demand:
(i) Price
(ii) Income of the consumer.
(iii) Population.
(iv) Invention of new commodities.
(v) Period of festival.
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(2a)
Draw the diagram
(2b) Importance of graph in Econimics:
(i) Graphs help to show the relationship between two varieties Eg the relationship between demand and supply of labour or any commodity.
(ii) Economists use graphs for economic analysis.
(iii) Graphs make it easy to understand data presented in tables.
(iv) Changes in variables or quantities are illustrated with the use of graphs.
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(3a)
Production can be defined as the transformation of raw materials into finished goods and the distribution and the provision of goods and services in order to satisfy human wants. Production is said to be completed when the goods and services produced reach the final consumers,
(3b) Factors that determine the volume of production in a firm:
(i) The quantity and quality of factors of production: Example the amount of capital determines the labour to be hired and raw materials to be bought. The quality and quantity of land available determine the agricultural product or output and the size of factory to be built.
(ii) The size of the market: The size of markets is the extent the products produced is in demand. The more demand the more the production.
(iii) Availability of raw material: The raw materials available will determine the quantity of goods that will be produced. If the raw materials available are not enough production will be greatly affected.
(iv) Attitude of workers: The attitude of workers of a firm to work has a lot influence on the volume of production. If workers show negative attitude, it will affect the volume of goods to be produced.
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(4a)
Mobility of labour refers to the movements of labor from one occupation, work place or geographical place to another.
(4b) Causes of mobility of labor are:
(i) Unfavorable working conditions: This may force a worker to change from one industrial set up to another. Lack of such things as good lavatories, staff buses, equipped offices, workshops, etc. may constitute unfavorable working conditions.
(ii) Marriage: Marriage can cause woman to move their labour. A working class lady who is newly married may have to move away from her place of work or even change occupation in order to be in the area where her husband is residing and working.
(iii) Irregular payment of salaries: Where workers are not paid their salaries and as when due they will be forced to change to other establishments or industries. Industrial mobility of labor may occur as a result of irregular payments of salaries to workers.
(iv) Promotion: A worker can be promoted from one section of an industry to another or even from one geographical area to another.
(v) Bad management: Some management is so dictatorial and tyrannical that workers may not tolerate that and may decide to change to other sections or firms.
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(5) Consequences of population in Nigeria are:
(i) Congestion: over population leads to congestion, this congestion occurs in areas of traffic like Lagos, housing like Onitsha, lands and schools.
(ii) Increase in rent: The amount of money people pay for house has increased greatly because many people are chasing the few available houses especially in the urban areas. A good example is Lagos where it is difficult and very expensive to get both residential houses and offices. The amount also paid for land usage is exorbitant.
(iii) High rate of illiteracy: The rate of illiteracy has increased because not all that are willing to go to school has been given the opportunity and can afford it as a result of too many people in the country.
(iv) It causes unemployment: There are too many applicants that are competing for the few available jobs or employment opportunities recently. The result of this unemployment and also unemployed people in the country
(v) High rate of crime: Over population has led to increase in such crimes as armed robbery, rape, murder, drug pushing, and arson. As many unemployed people strive for survival.
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(6a)
Tax may be defined as a compulsory contribution imposed by a government authority on goods, services, individuals, corporate bodies, etc irrespective of the exact amount of services rendered to the tax payer in return and not imposed as a penalty for any legal offence.
Neco 2018 biology essay
1ai)
I. Plants need sunlight for the process of photosynthesis.
ii. Plants use chlorophyll and light to make food.
1b)
i.humerus
ii.radius
iii.ulna
iv.the ball and socket shoulder joint
v. Scapula
2aii
Implantation: The act of setting in firmly. In embryology, implantation refers specifically to the attachment of the fertilized egg to the uterine lining, which occurs approximately 6 or 7 days after conception (fertilization).
2aiii
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens.
2aiv
A saprophyte or saprotroph is an organism which gets its energy from dead and decaying organic matter. This may be decaying pieces of plants or animals.
2ai
a gene is a sequence of DNA or RNA which codes for a molecule that has a function. During gene expression, the DNA is first copied into RNA.
2aii
Implantation: The act of setting in firmly. In embryology, implantation refers specifically to the attachment of the fertilized egg to the uterine lining, which occurs approximately 6 or 7 days after conception (fertilization).
2aiii
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens.
2aiv
A saprophyte or saprotroph is an organism which gets its energy from dead and decaying organic matter. This may be decaying pieces of plants or animals.
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4ai) diffusion is defined as the process by which molecules or ion move from a region of high concentrations to a region of low concentration until they are evenly distributed
4aii) osmosis is defined as the process by which water molecules move from a region of dilute or wicker solution to stronger solution through a selectively or permeable membrane
4aiii) plasmolysis is defined as the outward movement or flow of water from a living cell when they are place in an hyoertonic solution
4bi) effect of over crowding are ;
Aggressive behavior
State of unrest
Decrease in reproductive ability
4bii) conservation of wild life are;
Indiscriminate killing of wildlife should be discouraged
Deforestation which destroy the habitat of animal should be discouraged
Killing of young developing animals should be allow
