A given trait has two alleles. It is inherited in a completely autosomal dominance pattern in a diploid population. Which of the following is NOT true if this population is in Hardy-Weinberg equilibrium?

• A. Allele frequencies vary significantly from generation to generation.
• B. The frequency of the heterozygous genotype is equal to two times the frequency of the dominant allele times the frequency of the recessive allele.
• C. The frequency of the dominant allele plus the frequency of the recessive allele must add up to 1.
• D. The frequency of the dominant phenotype is equal to the frequency of the dominant allele squared.

Routine operation in cattle farming include the following except

• A. dehorning
• B. castration
• C. identification marking
• D. shearing

The table below shows the corresponding values of two variables X and Y.

(a) Plot a scatter diagram to represent the data.

(b) Calculate \(\bar{x}\), the mean of X and \(\bar{y}\), the mean of Y.

(c) Draw the line of best fit to pass through \((\bar{x}, \bar{y})\).

(d) From your graph in (c), determine the (i) relationship between X and Y ; (ii) value of Y when X is 24.

This question is based on Wole Soyinka's The Trials of Brother Jero.

The play is

• A. a melodrama
• B. a tragedy
• C. an epic
• D. a farce

In British West Africa, the elective principle was first introduced in

• A. Nigeria
• B. Ghana
• C. Sierra Leone
• D. The Gambia

Makkah is referred to in Quran chapter 95 verse 3 as the city of

• A. security
• B. Islam
• C. Prayer
• D. Allah

The short-run equilibrium output for a monopolist is determined by the?

• A. highest point on the total revenue curve
• B. minimum point on the average revenue and the average cost curve
• C. intersection of the average revenue and the average cost curves
• D. intersection of the marginal cost and marginal revenue curves

Polyvinyl chloride is used in the production of

• A. glass
• B. alloy
• C. pipes
• D. ceramics

The locus of a point equidistant from two intersecting lines is

• A. where the sum of the distances of two focal points is fixed
• B. the collection of points that are equally distant from a fixed point and a line
• C. the perpendicular bisector of the lines
• D. pair of bisectors of the angles between the two lines

A direct service is rendered by

• A. State counsels
• B. Civil servants
• C. Police
• D. Family doctor