JAMB Past Questions and Answers - Page 1727

8,631.

The Ogiso dynasty in Benin failed due to ___

A.

Insufficient supply of arms and ammunitions

B.

The resentment against the system

C.

Weakness and dependence on rulers

D.

Economic disorder

Correct answer is B

The major weakness which led to the tragic flaw of the Ogiso dynasty was the resentment and indifference attitude of the denizens towards the system that was regarded as an ill fated one.

8,632.

Calculate the percentage by mass of nitrogen in calcium trioxonitrate (V)
[Ca = 40, N = 14, O = 16]

A.

8.5%

B.

13.1%

C.

17.1%

D.

27.6%

Correct answer is C

No explanation has been provided for this answer.

8,633.

Which of the following is an example of a mixture?

A.

Common salt

B.

Blood

C.

Sand

D.

Washing soda

Correct answer is B

The Blood is a mixture which consists of water, proteins, fats, oil, sugar, vitamins, hormones, enzymes,e\ etc

8,634.

Organic molecules that have the suffix-ene are unsaturated hydrocarbons that have?

A.

a single bond

B.

a double bond

C.

a triple bond

D.

an ionic bond

Correct answer is B

In chemistry, an alkene is a hydrocarbon containing a carbon–carbon double bond. Alkene is often used as synonym of olefin, that is, any hydrocarbon containing one or more double bonds.

8,635.

Lyttleton significance in the political development of Nigeria was that, he _____

A.

Introduced the Federal system of government

B.

Introduced elective principle

C.

Divided the Southern province

D.

Created central legislative unit

Correct answer is A

The 1954 constitution under the Governorship of Sir Oliver Lyttleton introduced Federalism to Nigeria.