2022 JAMB Physics Past Questions

One of the conditions necessary for an object to be in equilibrium when acted upon by a number of parallel forces is that the vector sum of the forces is

1. A.Average
2. B.Zero✓ Correct
3. C.Negative
4. D.Positive

Producers operating in a free market economy are more efficient as a result of

1. A.the existence of competition
2. B.the very few number of participants
3. C.the commitment of the shareholders✓ Correct
4. D.government regulation of their activities

The number of plant species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomoea spp (5), Sida spp (7) and Imperata spp (23) What is the percentage of occurrence of Imperata spp?

1. A.35%
2. B.16%
3. C.46%✓ Correct
4. D.23%

An Agency of the united Nations which specializes in the welfare of children is the _______

1. A.A. WHO
2. B.B. UNESCO
3. C.C. UNICEF
4. D.D. UNDP✓ Correct

The mode of nutrition of sun dew and bladder wort can be described as?

1. A.saprophytic
2. B.holozoic
3. C.chemosynthetic
4. D.autotrophic✓ Correct

\(\begin{array}{c|c} \text{Units of variable factor} & \text{Total Product} \\ \hline 1 & 25 \\ \hline 2 & 31 \\ \hline 3 & 40 \\ \hline 4 & 48 \\ \hline 5 & 55 \\ \end{array}\) The marginal product at the fifth variable factor is

1. A.7✓ Correct
2. B.6
3. C.5
4. D.9

Choose the option opposite in meaning to the underlined word(s). Aisha seems to feel ambivalent about her future?

1. A.decisive
2. B.anxious
3. C.ambitious
4. D.inconsiderate✓ Correct

According to the novel, what is the approximate annual migration rate of Nigerian doctors?

1. A.300 out of 3,000
2. B.2,000 out of 3,000
3. C.500 out of 3,000✓ Correct
4. D.1,000 out of 3,000

A long narrative poem that relates heroic exploits is

1. A.panegyric
2. B.lyric
3. C.ballad
4. D.epic✓ Correct

Rain water is made available to crops through

1. A.A. evaporation✓ Correct
2. B.B. transpiration
3. C.C. surface drainage
4. D.D. root absorbtion