WAEC Past Questions and Answers - Page 3274

16,366.

Which of the following features best describes peasant agriculture in West Africa? It

A.

Specializes in the production of one crop

B.

Involves the use of small farm holdings

C.

Is a capital-intensive system of farming

D.

Is mostly associated with tree crops

Correct answer is B

Peasant farming refers to a type of small scale agriculture. Peasant farmers grow crops and often rear some livestock on a small scale.

A smallholding is a small farm. Smallholdings are usually farms supporting a single family with a mixture of cash crops and subsistence farming. 

16,367.

An object of height 2.5cm is places 20cm from a convex mirror of focal length 10cm. Calculate the height of its image.

A.

2.5 cm

B.

3.0cm

C.

5.0cm

D.

25.0cm

Correct answer is A

\(\frac{1}{v} = \frac{1}{f} - \frac{1}{u}\)

= \(\frac{1}{10} - \frac{1}{2} = \frac{1}{20}\)

v = 20

but h\(_i\) = \(\frac{v \times h_o}{u}\)

= \(\frac{20 \times 2.5 }{20}\)

= 2.5cm

16,368.

Which of the following properties of waves is exclusive to transverse waves?

A.

reflection

B.

interference

C.

diffraction

D.

polarization

Correct answer is D

No explanation has been provided for this answer.

16,369.

The following are means of reducing the population of a country except encouraging

A.

Emigration

B.

Family planning

C.

Early marriage

D.

Sex education

Correct answer is C

Early marriage is not a means of reducing population growth. As a matter of fact, early marriage will lead to high child birth thereby increasing the population of a country.

16,370.

When two waves are superimposed on each other, the following occurrences are possible, except

A.

nodal lines

B.

anti nodal lines

C.

stationary waves

D.

dispersion

Correct answer is D

No explanation has been provided for this answer.