2025 NECO Agricultural Science Past Questions

A current flows in a series circuit containing a resistor, R, an inductor, L and a capacitor, C. Which of the following is true of the power dissipated in the circuit component(s)?

1. A.The power dissipated in L is greater than zero
2. B.The power dissipated in R is zero
3. C.The sum of the power dissipated in L and C is equal to that in R✓ Correct
4. D.The sum of the power dissipated in L and C is greater than in R
5. E.The sum of the power dissipated in L and C is zero

A transformer supplies 12V when connected to a 240V mains. If the transformer takes 0.120A from the mains when used to light a 12V, 24W lamp, what is its efficiency?

1. A.57.20%
2. B.66.60%
3. C.83.30%
4. D.92.50%✓ Correct
5. E.100%

International Court of Justice situated at the Hague consists of...judges.

1. A.A. 10
2. B.B. 12
3. C.C. 15
4. D.D. 17✓ Correct
5. E.E. 21

Choose from the options lettered A - E the one that has the same stress with the word given. In each word, only one syllable has the main/primary and the syllable is written in capital letters underprivileged

1. A.un-der-PRI-vileged
2. B.UN-der-pri-vi-leged
3. C.un-der-pri-vi-LEGED
4. D.unDER-pri-vi-leged✓ Correct
5. E.un-der-pri-VI-leged

What part of a camera functions in a similar way to the retina of the eye?

1. A.diaphragm
2. B.film✓ Correct
3. C.focusing ring
4. D.lens
5. E.shutter

When very hot water is poured into a thin-walled glass container, it is less likely to break because

1. A.all parts of the container got heated-uniformly
2. B.glass can withstand a very high temperature
3. C.the molecules of glass are too far apart to cause breakages of the container
4. D.the outer part of the container is cooler than the inner part✓ Correct
5. E.thin glass does not expand fast

A 220 V, 60 Hz alternating current supply is connected to an inductor of 3.5H. What is the current passing through the inductor?

1. A.0.0167 A✓ Correct
2. B.0.1670 A
3. C.1.6700 A
4. D.16.7000 A
5. E.167.0000 A

The recent revolution of Cassava from ordinary food crop to export crop will lead to

1. A.A. decrease in price of cassava flour
2. B.B. decrease In production of cassava
3. C.C. decrease In production of local starch✓ Correct
4. D.D. increase In production of other crops
5. E.E. increase in the prices of cassava products

Choose from the options lettered A - E the one that has the correct stress with the word given. ln each word only one syllable has the main/primary stress and the syllable is written in capital letters PRODUCTIVITY

1. A.PRO-duc-ti-vi-ty
2. B.pro-DUC-ti-vi-ty✓ Correct
3. C.pro-duc-TI-vi-ty
4. D.pro-duc-ti-Vl-ty
5. E.pro-duc-ti-vi-TY

A chemical system is at equilibrium when

1. A.δ G is positive
2. B.δ G is zero✓ Correct
3. C.δ S is negative
4. D.δ S is positive
5. E.δ S is zero.