JAMB Geography Past Questions & Answers - Page 18

86.

A line joining all points of equal salinity is an

A.

isopalh

B.

Isopleth

C.

Isohaline

D.

isobar

Correct answer is C

Isohaline is the line on a map of the ocean connecting all points of equal salinity.

87.

Jos plateau is an example of a

A.

Volcanic plateau

B.

Dissected plateau

C.

Tectonic plateau

D.

Bassalt Plateau

Correct answer is B

It's a dissected plateau. A dissected plateau is a type of plateau which has it's surface attacked by weathering, and cut by deep river valleys which breaks it into smaller units.

88.

One of the features of wind deposition is

A.

a barchan

B.

a ventifact

C.

an inselberg

D.

a messa

Correct answer is B

A ventifact may be formed from the polishing of natural or human-made surfaces due to abrasion by wind.

89.

River regime is best described as the

A.

rate at which a river flows

B.

seasonal variation in the volume of water in a river

C.

period a river overflows its banks

D.

amount of load a river carries

Correct answer is B

River regime is the variability in the discharge of a river throughout a year.

90.

Which of the following rocks is organically formed?

A.

Gypsum

B.

Coal

C.

Grit

D.

shale

Correct answer is B

Organic sedimentary rocks such as coal form from the accumulation and lithification of orgave debris.