NECO Mathematics Past Questions & CBT Practice

Which of the following is NOT part of an a.c generator?

1. A.Commutator✓ Correct
2. B.Armature
3. C.Field magnet
4. D.Carbon brushes
5. E.Slip rings

The phenomenon of photoelectric effect is NOT used in

1. A.automatic doors
2. B.bimetallic strip thermometers✓ Correct
3. C.light meters in cameras
4. D.setting off burglar alarms
5. E.sound production from film tracks.

If the 3rd and the 5th terms of an A.P are 6 and 10 respectively, find the 1st term and the common difference respectively.

1. A.1, 2
2. B.2, 2
3. C.2, 3
4. D.3, 2✓ Correct
5. E.3,3

The following are courtship behaviors in animals EXCEPT

1. A.copulation
2. B.display
3. C.pairing✓ Correct
4. D.seasonal migration
5. E.territoriality

How much heat is required to convert 50g of water at 100°C to steam at the same temperature? (Specific latent heat of vaporization of water = 2260 Jg-11)

1. A.1.13 × 10-4J
2. B.1.31 × 102J✓ Correct
3. C.1.30 × 104J
4. D.1.13 × 105J
5. E.1.31 × 106J

Which organisms are NOT autotrophic?

1. A.algae
2. B.Ferns
3. C.fungi✓ Correct
4. D.grasses
5. E.mosses

A law passed by the legislature and assented to by the executive is called a/an

1. A.A. act✓ Correct
2. B.B. decree
3. C.C. edict
4. D.D. legislative order
5. E.E. presidential proclamation

He promised to do the work in no time. This means he would do the work__________

1. A.anytime
2. B.later✓ Correct
3. C.now
4. D.sometime
5. E.very quickly

The following are associated with succession EXCEPT

1. A.changes in species composition
2. B.competition among organisms
3. C.decrease in number of organisms✓ Correct
4. D.diversity of organisms
5. E.habitat change

The major objectives of the colonialists in Nigeria does NOT inlcude

1. A.A. adventure reasons
2. B.B. cultural domination
3. C.C. economic reasons✓ Correct
4. D.D. educational reasons
5. E.E. market expansion