2022 NECO Agricultural Science Past Questions

51 women wore coloured shoes to a party, out of which 21 wore purple and 9 wore white. if a woman is selected at Random. What is the probability that she is wearing neither a purple shoe nor a white shoe?

1. A.$\frac{10}{17}$✓ Correct
2. B.$\frac{7}{17}$
3. C.$\frac{20}{51}$
4. D.$\frac{3}{17}$
5. E.$\frac{1}{51}$

An element of nuclear number A and proton number Z emits an alpha particle from its nucleus. The nucleon number and the proton number of the new element formed are respectively

1. A.(A – 2) and (Z – 2)
2. B.(A + 4) and (Z + 2)✓ Correct
3. C.(A– 4) and (Z+2)
4. D.(A+ 4) and (Z – 2)
5. E.(A – 4) and (Z – 2)

Choose from the options lettered A- E the one that is nearest in meaning to the word underlined. Nobody as extravagant as my uncle should realistically expect to be rich

1. A.extraordinary
2. B.flamboyant
3. C.prodigal✓ Correct
4. D.rascally
5. E.temperamental

When a pressure group is made up of people of the same profession, it is called

1. A.A. association group
2. B.B. interest group
3. C.C. occupational group✓ Correct
4. D.D. promotional group
5. E.E. religious group

One of the following countries is not a member of the Common Wealth of Nations.

1. A.A. Britain
2. B.B. Gambia
3. C.C. Ghana
4. D.D. Nigeria✓ Correct
5. E.E. United States of America

Choose from the options lettered A - E the one that most appropriately completes each sentence The boy was given____________

1. A.a lot of meats
2. B.a meat✓ Correct
3. C.a piece of meat
4. D.meats
5. E.some meats

During the extraction of iron in the blast furnance, slag is produced using

1. A.carbon
2. B.crylite
3. C.limestone
4. D.oxygen✓ Correct
5. E.sulphur

Two elements X and Y with electronic configurations 2,8,2 and 2,8,7 respectively, are likely to combine by _________bonding

1. A.covalent
2. B.dative
3. C.electrovalent✓ Correct
4. D.hydrogen
5. E.metallic

A short chain is usually attached to the rear side of petro tanker trailing behind it to ensure that the

1. A.charges generated by friction in the tanker are conducted to the earth
2. B.chain vibrates in resonance with the tanker’s engine
3. C.heat generated by friction in the engine is conducted to the earth✓ Correct
4. D.petrol tanker is balanced on the road
5. E.tanker does not exceed a certain speed limit

The precursor of the Commonwealth of Nations was

1. A.A. Dominion Conference
2. B.B. Imperial Conference✓ Correct
3. C.C. British Crown congress
4. D.D. British Empire Conference