Waec Biology Answers 2022 for 10th June 2022
Get verified and 100% authentic and correct Waec Biology Obj and Essay Answers 2022 for Friday 10th June 2022 both objective and essay (theory). Waec Biology Answers 2022: here are the verified Waec 2022 Biology questions and answers for SS3 students for Friday 10th June 2022. Waec 2022 Biology Questions and Answers.
WAEC BIOLOGY 2022 QUESTIONS AND ANSWERS
Friday, 10th June 2022
- Biology 2 (Essay) 09:30am – 11:10am
- Biology 1 (Objective) 11:10am – 12:00noon
WAEC BIOLOGY OBJ;
WAEC BIOLOGY ESSAY;
A cell is the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell.
(i) Robert Hooke
(ii) Felix Dujardin
(iii) Mathias Schleiden
Red blood cell
It does not replicate itself but rather die off
(ii) Cell membrane
(vi) Golgi body
Milk teeth: is a temporary tooth of a young mammal especially one of the human dentition including four incisors, two canines, and four molars in each jaw which fall out during childhood and are replaced by the permanent teeth.
3ai) Ecological niche is a term for the position of a species within an ecosystem, describing both the range of conditions necessary for persistence of the species, and its ecological role in the ecosystem.
3aii) provide fruit,
organic matter for soil amendment,
living fence post,
It states that the amount of the conserved quantity at a point or within a volume can only change by the amount of the quantity which flows in or out of the volume.
– Conservation of mass and energy
– Conservation of linear momentum, conservation of angular momentum
– Conservation of electric charge
– Lax and broken regulation systems
– Highly-priced and valued animal parts, products, and pets
– Sea turtles
– Loss of biodiversity, migration of wildlife
– Exological imbalance
– Soil erosion
– Disruption in hydrological cycle of water catchment area
A blood transfusion is a routine medical procedure in which donated blood is provided to you through a narrow tube placed within a vein in your arm. This potentially life-saving procedure can help replace blood lost due.
An antigen is any substance to which the immune system can respond. For example, components of the bacterial cell wall can trigger severe and immediate attacks by neutrophils.
a) Euphotic Zone. (Sunlight Zone).
b) Dysphotic Zone (Twilight Zone).
c) Aphotic Zone.
Population is defined as a group of individuals of the same species living and interbreeding within a given area.
ii) Sweep net
Tropism is a growth toward or away from a stimulus. Common stimuli that influence plant growth include light, gravity, water, and touch. Common tropic responses in plants include phototropism, gravitropism, thigmotropism, hydrotropism, thermotropism, and chemotropism.
i) Nastic response
ii) Tactic response
choose only 4
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Waec Biology Answers 2022
Friday, 10th June 2022
- Biology 2 (Essay) 09:30am – 11:10am
- Biology 1 (Objective) 11:10am – 12:00noon
Waec 2022 Biology Questions and Answers
Waec Biology Obj, Essay and Answers 2022: Welcome to the Expobite answer page where you will get verified and 100% authentic and correct Waec Biology Obj, Essay and Answers 2022 for Friday 10th June 2022 both objective and essay (theory).
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WAEC 2022 Biology Obj, Essay and Questions & Answers [AUTHENTIC]
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X is demand curve
Y is supply curve
Z is supply curve
The supply curve shift from Y to Z
Before the introduction of subsidy
$15×20 = $300
2022 WAEC Biology Question And Answer (Obj & Essay)
After the introduction of subsidy
$10×40 = $400
Percentage increase = $400-$300 = $100
100/300 × 100/1 = 33.3%
% change in quantity demanded/ % change in price = 100/33.3 = 3.0
% change in quantity demanded= change/old × 100/1
= 20/20 × 100/1
% change in price = change/old × 100/1
= 5/15 × 100/1 = 33.3%
It is elastic because the coefficient is greater than 1
Demand schedule is the table that shows the relationship between quantity demanded and price of goods.
It can be defined as the list showing the number of quantities of a commodity demanded at various prices.
(i). Effective demand: this is the type of demand which is supported with the ability and willingness to pay.
(ii). Composite Demand: Demand is composite when a commodity can be used for more than one purpose
(iii). Derived Demand: It occurs when a commodity is wanted not for the satisfaction it yields but for the reason that they are useful in producing another commodity.
(i)Labour force: Labour force can be defined as the total number of persons available to supply the labour for the production of economic goods and services. In other words, it is the total number of people of working age in a country who are able and willing by law to work.
(ii)Efficiency of labour: Efficiency of labour may be defined as the ability of labour to increase output without increasing the quantity of labour. Increase in efficiency is usually expressed in terms of increase in output of labour within a shorter period of time without any fall in the quality of goods and services produced.
2022 WAEC BIOLOGY PRACTICAL ANSWERS – gistpower.com
(PICK ANY FIVE)
(i)Age structure of the population: The structure of a country’s population is a significant determinant of the size of the labour force. The lower the dependant people, the higher the supply of labour and vice versa. In otherword, the labour force will increase in a country with a greater number of its people between the ages of 18 and 65 years.
(ii)Role of women in the society: In some societies, women are usually prevented from engaging in gainful employment because of religious belief, social and cultural factors and this affects the size of labour force.
(iii)Number of working hours and working days: The number of working hours per day and the number of working days in a week or a year also helps to determine the supply of labour.
(iv) The number of disabled: When the number of disabled persons is high especially within the working population, the supply for labour will be low.
(v) The number of people unwilling to work: There are certain number of able bodied people who are also between the age bracket of 18 and 65 years but are unwilling to work. If their population is high, it will affect the size of supply of labour
(vi) Migration: The rate of migration can also affect the size of labour force. If the rate at which the working population leaves a country is higher than the rate at which people come in, it will lead to reduction in the supply of labour.
(vii)Trade union activities: The activities of trade union may also affect the supply of supply. For example, when a long period of training is imposed on a certain trade, this may discourage people from engaging in such trade or profession leading to a reduction in supply of labour.
(viii)Government policies: Certain government policies can affect the supply of labour. E.g. specific laws are made to exclude children and women from working in ministries. This can reduce the supply of labour to that area or field.
i. Specific tax
A specific tax is a fixed amount of tax placed on a particular good. It is also referred to as a per-unit tax, and the tax will depend on the quantity sold (not price).
ii. Value-added tax (VAT) : is a flat tax levied on an item. It is similar to a sales tax in some respects, except that with a sales tax, the full amount owed to the government is paid by the consumer at the point of sale. With a VAT, portions of the tax amount are paid by different parties to a transaction.
2022 Waec Biology Questions And Answers[expo]obj
(i) A Merchant Bank is that Mortgage is a bank or company which offers a loan with their own funds or from warehouse lenders WHILE A merchant bank is an institution which provides the services of finance, underwriting, offering business loan and advice or consultancy on finance.
(ii) Commercial Bank is the bank organized to perform public utility banking services, such as accepting deposits, lending money, etc. On the other hand, development bank refers to a multi-purpose financial undertaking set up to provide financial aid to the industrial and agricultural sector, to encourage development.
(i) Agency functions: commercial banks are already agents of the banking system, but they can also be personal agents to their customers. An agent is an individual or institution that carries out activities, in this case, financial operations, on behalf of the principal (who is the customer) for a few known as a commission.
(ii) Credit Creation: commercial banks are perhaps the only financial institutions with this unique function. Commercial banks create credit through accepting deposits and providing loans, pushing money into the economy.
(iii) Transfer of funds: the transfer of funds from a customer’s account to another account is another vital function of banks. Fund transfer is a valid means of paying for transactions, as well as other financial activities. Transfer of funds can be carried out through several ways such as drafts, standing orders, cheques, USSD platforms, and electronic banking.
(iv) Provision of loans: besides accepting deposits, another function of commercial banks is the provision of loans. The provision of funds to those who require them for transactions is a vital role commercial banks play. Nowadays, customers can now have access to instant loans from commercial banks.
Economic integration is an arrangement among nations that typically includes the reduction or elimination of trade barriers and the coordination of monetary and fiscal policies.
(i)Political Instability in member states; This results in different approach to ECOWAS issues by leaders of member states.
(ii)Inadequate finance: Many members states do not fulfill their financial obligation as at and when due. This is crippling the effective operation
WAEC Biology Questions and Answers 2022 Theory & Obj
(iii)Colonial linkage to erstwhile master; is another factor affecting ECOWAS. Francophone
nations that are members of ECOWAS may not lend their
weight to matters of the organisation that will negatively
(i)Road construction between big cities. The highways Lagos-Abidjan, Nouakchott-Lagos have made commuting much easier that it was before. The road network Elubo – Alflao – Lagos is one of the achievements.
(iii)The relations between the Anglophone and Francophone have been stabilized. It has been done thanks to the ECOWAS passport. It has significantly eased the movement of people within those areas.
(iii)Telephone network for the member states. Nowadays, interconnection is available for all countries of the African Union.
Consumer goods are products bought for consumption by the average consumer. Alternatively called final goods, consumer goods are the end result of production and manufacturing and are what a consumer will see stocked on the store shelf.
fixed capital is conventionally defined as the stock of tangible, durable fixed assets owned or used by resident enterprises for more than one year.
(iii)vehicles and equipment
Social capital it basically comprises the value of social relationships and networks that complement the economic capital for economic growth of an organization
(i)when someone opens a door for someone
(ii)returns a lost item to a stranger
(iii)gives someone directions or loans
Circulating capital is money being used for core operations of a company.
(ii)inventory in process
(i)The level of the real interest rate and the level of per capita GDP.
(ii)The proportion of labor remuneration in national income and Fiscal policy.
(iii)The distribution of income and high effect of taxation.
WAEC Biology Questions and Answers for 2022/2023
Capital expenditure is primarily expenditure on the creation of fixed assets and on the acquisition of land, buildings and intangible assets. While Recurrent expenditure refers mainly to expenditure on
operations, wages and salaries, purchases of goods and
services, and current grants and subsidies.
Monetary policy refers to government activities that are directed toward influencing the quantity of money and credit in an economy. While Fiscal policy involves the use of government spending and revenue raising (taxation) to impact a number of aspects of the economy
(i)General Administrative Purposes The administrative machinery of a country may collapse if there is
no money to maintain it; tax therefore forms one of the sources of
Taxation contributes part of the money used in maintaining a country’s armed forces.
(iii)The Maintenance of Law and Order For internal peace and stability of a country to be guaranteed, laws
must be made and executed, which require money.
(iv)Redistribution of Incomes To achieve this, income tax is made to be progressive in nature.
Money is any commodity that is generally accepted in payment for goods and services or settlement of debt. It is an economic unit that functions as a generally recognized medium of exchange for transactional purposes in an economy and at the same time acts as a measure and store of value.
Value of money: This simply means the quantity of goods and services that money can purchase at a particular time. Value of money refers to what money can buy. It depends on the purchasing power of money. There is an inverse relationship between price and value of money. the higher the level of price, the lower the value of money and vice versa.
Demand for money: This is the desired holding of financial assets in the form of money. In other words, it is cash or bank deposits rather than investments. It is sometimes referred to as liquidity preference.
(i) The price of the good or service.
(ii) The income of buyers.
(iii) Interest rates.
(iv) The tastes or preferences of consumers.
(i)Commercial farming is mainly practised in developed countries whereas subsistence farming in less developed or developing countries.
(ii) Commercial farming is cultivated for profits whereas subsistence farming is for the consumption of the farmer and his/her family.
(iii) Commercial farms are very large while that of the subsistence farming are quite small.
(iv) Commercial farming is not dependent much on man power or animal power whereas subsistence farming is dependent.
(v) In commercial farming, there are proper irrigation facilities whereas subsistence farming is generally dependent upon the monsoon.
(i) It is usually grown in a piece of land where the land is quite small in the area.
(ii) This type of farming is usually done for the food crop where the farming is done just to satisfy the requirement of the farmers family and not for the purpose of selling it into the market.
(iii) The machineries which are used for the farming process usually primitive.
(iv) Primitive form of irrigation or little irrigation is done for this type of farming.
2022 WAEC Biology Objectives Questions and Answers
(i)It serves as source of revenue for the government
(ii)It creates job opportunities for people in the area.
(i)It causes loss of valuable lands
(ii)It causes environmental pollution and pose health hazards
He was an intelligent child with an outstanding performance
(i) He amassed wealth of experience through travelling he made for the business
(ii) He invested hugely in both material, mental and finance in the business
He was taken over by pride
He was the one who was pulling down his business as he rejected instructions that will make the business grow
When five of his workers resigned the same day
It means something bound to fail or having difficulties
(i) Adjectival clause
(ii) It qualifies the noun “Alani’s secretary”
(i) Laurels – awards
(ii) Sustenance – assistance
(iii) Reputable – renowned
(iv) Venture – enterprise
(v) Pompous – arrogant
(vi) Dwindled – diminished
(PICK ANY THREE)
(i) Some youths engage in armed robbery for their covetous desire
(ii) Unemployment makes some youth engage in armed robbery
(iii) Some youths are unwilling to work and thereby engage in crimes
(iv) People celebrate wealth without minding how it’s gotten
(v) Youths engage in armed robbery in order to bridge the gap between them and the rich
WAEC Biology Questions and Answers 2022 (100% sure
(i) Parents should beef up the disciplinary measures meted out to their children
(ii) Basic social amenities should be provided for all to enjoy the valuables of life as it will reduce envy among the youths
(iii) Proper surveillance should be carried out by law enforcement agencies on the crime-prone areas.
NOTE: You must not use this my story. You can use my story as a guide to tell your own story. Even though I would be sending varieties of essay, try as much as possible to use them as guide or change sentences, words, names, etc. This my essay writing is getting to many hands, so don’t write same with them. Try to be smart in your writing
How are you doing? I hope you are doing great and well? I know with full heart,everything is going well. Am writing this letter to you in telling you about my future career and how it will benefit our country Nigeria.
Firstly, I have been having so much thought on how I will add to the promotion of this country,i have made some thought an I got some inspirations which I know it will be very helpful in this country especially at this time, and I had come to a conclusion on letting it out but I had only told these plans to my parent and you. I hope you will check it out I know what you think about it.
Furthermore, one of the plan I have in mind is building an hospital in this our town, because am finding out that a lot of people in our village has been dying due to no developed and skilled hospital in our town and this has hurt me so bad that people die some get ills and no one can do anything concerning it that’s why am deciding of becoming a medical student so that I could find a way to help my people from this medical lack which has brought a lot of harm to us. Even the herbalist that they are relying on is not even help the matter so well.
WAEC Biology Questions and Answers 2022/2023 Expo
Moreover, when I become medical doctor, I could be able to save lives and have enough mother to help purify our town bole hole water because I noticed that there are some particles penetrating inside the water when been fetched and this could be very harmful to the people, even I guess this is mostly one of the cause of peoples illness in our town but I will try as much as possible to find out a cure that could saturate the water and make it clean and also cure those that has already been infected by it.
More so, by me becoming a medical doctor probably the first medical doctor, I can open a teaching hospital for the youth who would want to become a nurse and they will be trained and this could even lead to employment in our society and reduce the rate of youth parading around our town with no aim.
In summary,this doctor I want to become is just like the perfect idea for me and the society because this could help everyone and keep everyone healthy and bring about development to our society even employment to our youth.
In conclusion, I am only telling you this David because you are my very good friend and I would want your prayer as well so that I could help keeping our people from sickness, from illness and also bring about employment. THANK YOU.
(5) Uneasy Lies the Head that Wears the Crown:
This saying explains the fact that it is difficult to be a leader and even more difficult to be at the helm of affairs. When one sees himself in a position of authority, a lot is expected from that person. The individual faces a lot of ups and downs. If he is a good leader, many will admire him and many will also hate him. No matter the level of your good governance you must have oppositions and criticism even from your own people.
A true story of this adage can be seen from the life of Moses whom God appointed to lead the people of Israel when they were suffering in the land of Egypt. After they might have cried for many years, he decided to deliver them from the hands of the Egyptians, to send them to the promised land. (the land flowing with milk and honey). To accomplish this. God called Moses and gave him the crown of leadership to lead the people of Israel out of the land of affliction.
When he started his leadership career. he was finding things very difficult, as he had several encounters, problems and challenges with God, with Pharoah, the Egyptian, the Isrealites and even with his household. As the mantle of leadership rested on Moses, he started acting according to God’s instruction. In the process he discovered that to be a leader entails a lot of responsibilities. In the first instance, the people refused to believe and hearken to him. He was accused of usurping powers, hence the question “who made you a king and a ruler over us?” From that moment he realized the fact that uneasy lies the head that wears the crown.
Although Moses was made a god over Pharaoh his leadership tenure wasn’t a bed of roses. When they were finally allowed to leave Egypt, they made their journey in the wilderness and they encountered a lot of problems. They were worried and resorted to blaming and insulting Moses. Their disgusting murmuring increased day-in-day-out against Moses and his God, despite the glory of the Lord that accompanied them. Notwithstanding, they hearkened not unto Moses. They complained when they were hungry. They murmured against Moses and he cried to God and they were given manna. When they were thirsty they complained bitterly against Moses. Again Moses cried to God they were given water.
Many a time the people murmured against Moses saying, “take us back to Egypt. You have brought us out of Egypt to kill us and our children”. As they were about to stone him, he cried unto the Lord. Moses as a leader was bearing the burden of leadership alone and it was not easy on him at all.
The behaviour of the Isrealites in the wilderness aggrieved Moses especially when they started worshiping false gods. Out of annoyance, he broke the table containing the commandments of God. As a result of that, the wrath of God came upon him. This particular offence/encounter denied Moses the opportunity of entering the promised land. He later paid with his dear life.
From this story, one can see actually that it is not easy to be a leader, hence the popular saying “Uneasy lies the head that wears the crown”.