2021 JAMB Mathematics Past Questions

Which of the following type of cartilage is present at the joints of long bones in humans?

1. A.A. Calcified
2. B.B. Hyaline✓ Correct
3. C.C. Elastic
4. D.D. fibrous

Kedụ nke bụ 888? Narị

1. A.A. asatọ asatọ asatọ
2. B.A. iri asatọ na asatọ
3. C.B. asatọ iri asatọ na asatọ✓ Correct
4. D.C. asatọ na asatọ na asatọ

The locus of a point which moves so that it is equidistant from two intersecting straight lines is the?

1. A.perpendicular bisector of the two lines
2. B.angle bisector of the two lines
3. C.bisector of the two lines
4. D.line parallel to the two lines✓ Correct

Evidence of evolution include the following except?

1. A.fossil records✓ Correct
2. B.comparative anatomy
3. C.molecular records
4. D.geographical distribution of organisms

Choose the option that is nearest in meaning to the underlined word(s) After thousands of years of existing, elephants still remain extant.

1. A.subdued
2. B.pulverized✓ Correct
3. C.strong
4. D.enduring

Succession that occurs on an abandoned farm land is?

1. A.tertiary✓ Correct
2. B.secondary
3. C.primary
4. D.climax

The system of farming which involves the use of a large hectare of land planted with economic crops is known as

1. A.peasant farming✓ Correct
2. B.tree planting
3. C.plantation farming
4. D.mechanized farming

The equation of a wave traveling in a horizontal direction is expressed as y = 15 sin $\frac{2\pi}{5}$ (60t - x). What is its wavelength?

1. A.60m
2. B.15m
3. C.5m✓ Correct
4. D.2m

The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer's

1. A.A. demand for rice
2. B.B. elastic limit✓ Correct
3. C.C. supply of rice
4. D.D. preference for rice

The long and sharp clawed feet of birds is an adaptation for

1. A.crushing seeds
2. B.scooping mud
3. C.tearing flesh✓ Correct
4. D.grasping prey