2021 NECO Agricultural Science Past Questions

Which of the following is NOT an example of a percussion instrument?

1. A.Bell
2. B.Drum✓ Correct
3. C.Flute
4. D.Gong
5. E.Xylophone

In which of the following are crystalline structures observable? I. Gas II. Liquid III. Solid

1. A.I only
2. B.II only
3. C.III only
4. D.I and III only✓ Correct
5. E.II and III only

From the options lettered A - E, choose the one that is the most appropriate interpretation of the expression in italics Many students take in suggestions hook, line and sinker . This means they ........ suggestions.

1. A.completely absorb
2. B.briefly consider
3. C.critically re-examine✓ Correct
4. D.do not adhere to
5. E.reflect on

The length of a simple pendulum is increased by a factor of four. By what factor is its period Increased?

1. A.0.25✓ Correct
2. B.0.5
3. C.1.66
4. D.2
5. E.4

Choose from the options lettered A- E the one that is nearest in meaning to the word underlined All the illegal structures within the school compound will soon be demolished.

1. A.pulled down✓ Correct
2. B.pushed clown
3. C.put down
4. D.put off
5. E.taken down

Choose from the options lettered A - E the question that is best answered by the statement containing the street word which is written in capital letters. ALL the final year students passed the test.

1. A.Did all the final year students fall the test?
2. B.Did some final year students pass the test?
3. C.Did all the first year students pass the test?✓ Correct
4. D.Did all the final year students pass the exam?
5. E.Do all the final year students pass the test

After what length of time will N2400.00 yield an interest of N60.00 at 1$\frac{1}{2}$% per annum?

1. A.2$\frac{4}{5}$ years
2. B.1$\frac{2}{3}$ years
3. C.1$\frac{1}{2}$ years✓ Correct
4. D.1 years
5. E.$\frac{3}{5}$ year

An object placed 15cm from a converging lens forms a real image whose magnification is 2.0. What is the focal length of the lens?

1. A.5.00cm
2. B.10.00cm✓ Correct
3. C.15.00 cm
4. D.18.00 cm
5. E.20.00cm

Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils?

1. A.10.5yrs.
2. B.11yrs.
3. C.11.5 yrs.
4. D.12yrs.
5. E.12.5yrs.✓ Correct

Choose from the options lettered A - E the one that is most nearly opposite in meaning to the underlined word or expression The same power that relegated him can still ………… him if he is repentant.

1. A.uphold✓ Correct
2. B.humiliate
3. C.escalate
4. D.elevate
5. E.defend